Median Income
$58,750
22% lower than US avg
Home Value
$104,200
63% lower than US avg
Violent Crime
50/100K
87% lower than US avg
Bachelor's+
12.7%
62% lower than US avg
Median Rent
$350
70% lower than US avg
Obesity Rate
40.3%
26% higher than US avg
Unemployment
2.2%
39% lower than US avg
Poverty Rate
9.4%
24% lower than US avg
How Marietta Compares to the U.S. Average (100% = U.S. avg)
People
Population159
Median Age46.2 yrs
Density89/mi²
Male / Female48% / 52%
Largest GroupWhite 99%
Veterans2.2%
Economy
B+
Median Income$58,750
Per Capita$29,019
Unemployment2.2%
Poverty9.4%
County GDP$799M
Commute33 min
Housing
A+
Home Value$104,200
Rent$350
Ownership83.6%
Zillow$149,659
Housing Units77
Rent Burden24.0%
Crime
F
Violent50/100K
Property1,670/100K
Health
Obesity40.3%
Uninsured12.3%
Smoking20.8%
Depression24.2%
Heart Disease6.8%
Climate
Avg Temp61°F (16°C)
AQI43 (Good)
Rain61.5 in/yr
Sunny Days302/yr
Elevation344 ft (105 m)
Education
C
Bachelor's+12.7%
High School+87.3%
Graduate+7.8%
School Score5.38
Community
2024 VoteR 83% / D 17%
Commute33 min
Broadband67.0%
EV Stations1
Libraries3
Is Marietta a Good Place to Live?
Based on current data, Marietta receives an overall livability score of 3.0 out of 5.0, earning a grade of B. Key strengths include low unemployment, low crime rates, affordable housing, abundant sunshine. Areas to be aware of include a high uninsured rate, below-average incomes, high obesity rates. Marietta offers a solid quality of life with a good balance of affordability, safety, and opportunity.
Economy & Jobs
The median household income in Marietta is $58,750, 22% below the national average of $75,149. The job market is very strong with unemployment at just 2.2%. 9.4% of residents live in poverty, near the national average of 12.4%. Workers commute an average of 33 minutes.
Cost of Living & Housing
The median home value in Marietta is $104,200, 63% below the national median / offering relatively affordable homeownership. Renters pay a median of $350 per month, below the national average / a plus for affordability. At just 1.8x median income, home prices are very affordable relative to local earnings.
Safety & Crime
Marietta is a very safe community with a violent crime rate of 50 per 100,000 residents / well below the national average of 380. Property crime occurs at a rate of 1,670 per 100,000, near the national average.
Education
12.7% of residents hold a bachelor's degree, below the national average of 33.7%. 87.3% have completed high school. Area schools have an average test score of 5.4/10.
Climate & Weather
Marietta enjoys a moderate climate with an average annual temperature of 61°F. Winters average 40°F in January while summers reach 79°F in July. With 302 sunny days per year, residents enjoy well above the national average of sunshine. Annual precipitation totals 61.5 inches. Air quality is rated Good with a median AQI of 43.
Marietta has a population of 159 with a density of 89 people per square mile, spread across 1.8 square miles. The median age is 46.2 years, 19% older than the national median of 38.9. The gender split is 52.2% female and 47.8% male. The city is predominantly White (98.7%). English is the primary language spoken at home by 100% of residents. 2.2% of the population are veterans, below the national rate of 6.0%. 30.4% of residents have a disability (above the 13.0% national average). 93.6% have health insurance coverage.
Population
46.2yrs
Median Age
19% above US avg
Language Spoken at Home
English Only
100.0%
27% above US avg
Spanish
0.0%
100% below US avg
The median household income in Marietta is $58,750, which is 22% below the national average of $75,149. Per capita income is $29,019 (below the $39,052 national figure). The average weekly wage is $803, 44% lower than the U.S. average. The unemployment rate is 2.2% (below the 3.6% US average). 9.4% of residents live below the poverty line, lower than the national rate of 12.4%. The area has 552 business establishments, including 42 restaurants. The cost of living index is 87, below the national baseline of 100 / offering relatively affordable living. Workers commute an average of 33 minutes (longer than the 28-minute US average). 3.3% of workers work from home (below the 15.2% national rate).
Income
| Median HH Income | $58,750 |
| 22% below US avg |
| Per Capita Income | $29,019 |
| Avg Weekly Wage | $803 |
| IRS Avg AGI | $51,248 |
| Gini Index | 0.482 (0=equal, 1=unequal) |
Employment & Poverty
| Unemployment | 2.2% |
| 39% below US avg |
| Poverty Rate | 9.4% |
| 24% below US avg |
| Establishments (County) | 552 |
| County GDP | $799M |
Business (County)
| Restaurants | 42 |
| Healthcare | 40 |
| Retail | 92 |
| Manufacturing | 32 |
Tax & Cost of Living
| Property Tax (IRS) | $2,378 |
| 32% below US avg |
| Cost of Living | 87.00 (100=avg) |
| Effective Tax Rate | 2.28% |
Commute & Transportation
| Commute Time | 33.1 min |
| Drive Alone | 91.2% |
| Public Transit | 0.0% |
| Work from Home | 3.3% |
The median home value in Marietta is $104,200, 63% below the national median of $281,900. Zillow estimates the typical home value at $149,659, higher than the Census estimate. Homes sell for 0% of their list price, suggesting buyers have room to negotiate. Monthly rent averages $350 (70% below the national average of $1,163). Fair market rent ranges from $782 for a one-bedroom to $924 for a two-bedroom apartment. 83.6% of housing units are owner-occupied (above the 65.4% national rate). There are 77 total housing units in the city. The median year a home was built is 1979. The average annual property tax is $2,378 (lower than the $3,500 national average). 24.0% of renters spend 30% or more of their income on housing. The home price-to-income ratio is 1.8x, well within the affordable range.
Home Values
| Census Median | $104,200 |
| 63% below US avg |
| Zillow ZHVI | $149,659 |
Real Estate Market (Redfin)
| $/Sq Ft | $112 |
| Homes Sold | 1 |
| Sale-to-List Ratio | 0.0% |
| Price Drops | 0.0% |
Rental Costs
| Census Median Rent | $350 |
| 70% below US avg |
| Rent Burden | 24.0% |
HUD Fair Market Rent
| Studio | $751 |
| 1 Bedroom | $782 |
| 2 Bedrooms | $924 |
| 3 Bedrooms | $1,177 |
| 4 Bedrooms | $1,295 |
Ownership & Property
| Homeownership | 83.6% |
| Owner-Occupied | 83.6% |
| Renter-Occupied | 16.4% |
| Housing Units | 77 |
| Median Year Built | 1979 |
Property Tax
| Avg Tax (IRS) | $2,378 |
| 32% below US avg |
| Effective Rate | 2.28% |
In Marietta, 40.3% of adults are obese, above the national rate of 32.1%. 11.8% have diabetes. Heart disease affects 6.8% of residents, above the national average. 37.8% have high blood pressure. 20.8% are current smokers (above the 14.0% national rate). 16.5% report binge drinking. 34.3% are physically inactive, above the national average. 24.2% report depression (above the 20.0% national average). 20.0% experience frequent mental distress. 12.3% of residents lack health insurance (above the 8.6% national rate). The primary care physician ratio is 1:3,125. The dentist ratio is 1:2,479. 56.1% of residents have access to exercise opportunities. The food environment index is 7.1 out of 10.
Health Metrics: Marietta vs U.S. Average (%)
Chronic Conditions
| Obesity | 40.3% |
| 26% above US avg |
| Diabetes | 11.8% |
| Heart Disease | 6.8% |
| High Blood Pressure | 37.8% |
| Asthma | 10.0% |
| COPD | 9.2% |
| Cancer | 7.5% |
| Stroke | 3.6% |
Behaviors & Mental Health
| Smoking | 20.8% |
| 49% above US avg |
| Binge Drinking | 16.5% |
| Physical Inactivity | 34.3% |
| Depression | 24.2% |
| Mental Distress | 20.0% |
| Physical Distress | 15.6% |
| Short Sleep | 36.6% |
Healthcare Access
| Insurance Rate | 93.6% |
| Uninsured | 12.3% |
| 43% above US avg |
| Primary Care | 1:3,125 |
| Dentists | 1:2,479 |
| Mental Health | 1:661 |
| Checkup Rate | 76.4% |
| Dental Visits | 8.3% |
| Premature Death | 13,055/100K |
Food & Exercise
| Food Environment | 7.1/10 |
| Exercise Access | 56.1% |
| Healthcare Facilities | 40 |
Marietta has a violent crime rate of 50 per 100,000 residents, 87% below the national average of 380. Property crime stands at 1,670 per 100,000, 15% below the U.S. average. The county recorded 2 fatal traffic crashes. Overall, Marietta receives a safety grade of F.
Crime Rates: Marietta vs U.S. Average (per 100,000)
Violent Crime
| Total Violent | 49.9/100K |
| 87% below US avg |
| |
Property Crime
| Total Property | 1,670.4/100K |
| 15% below US avg |
Traffic Safety
| Fatal Crashes (County/yr) | 2 |
| Avg Accident Severity | 0.0 / 4.0 |
Safety Score
| Safety Grade | F |
| Safety Score | 1.0 / 5.0 |
Marietta enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 40°F in January while summers reach 79°F in July. The area gets 302 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 61.5 inches (wetter than the 38-inch national average). The area receives 1.6 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 344 feet.
Temperature
40°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 60.6°F |
| 12% above US avg |
| January Average | 40°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 344 ft (105 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 89/sq mi |
| Coordinates | 34.5000°N, 88.4726°W |
| Timezone | America/Chicago |
| County | Prentiss County County |
| Nearest Airport | Tupelo Regional (TUP) 23 miles away |
Precipitation & Snow
Annual Rainfall
61.5"
62% above US avg
Wettest Month (Mar)
6.34"
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 51.5 / 100 |
| Social Vulnerability | 81.5 / 100 |
| Community Resilience | 32.3 / 100 |
Hazard Breakdown
| Tornado |
Relatively Moderate |
| Hurricane |
Very Low |
| Earthquake |
Relatively Low |
| Wildfire |
Very Low |
| Flood |
Relatively Low |
| Hail |
Very Low |
| Strong Wind |
Relatively Low |
| Heat Wave |
Relatively Low |
| Winter Weather |
Very Low |
| Lightning |
Relatively Moderate |
| Ice Storm |
Relatively Low |
| Drought |
Relatively Low |
| Cold Wave |
Relatively Moderate |
| Landslide |
Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
34 earthquakes (M2.5+) within 150 km since 1990.
Strongest: M3.3. Most recent: M2.9 on Jun 25, 2020.
| Jul 15, 1995 |
21 km SSW of Berry, Alabama |
M3.3 |
136 km |
| Jun 23, 1990 |
12 km E of Vernon, Alabama |
M3.2 |
94 km |
| Sep 2, 1990 |
12 km NW of Fayette, Alabama |
M3.2 |
97 km |
| May 10, 2008 |
1 km SSE of Sherman, Mississippi |
M3.1 |
37 km |
| Jun 23, 1990 |
8 km N of Belk, Alabama |
M3.1 |
99 km |
| May 4, 1994 |
2 km NNW of Addison, Alabama |
M3.0 |
121 km |
| May 28, 2000 |
13 km S of Winfield, Alabama |
M3.0 |
97 km |
| May 28, 2000 |
3 km NE of Fayette, Alabama |
M3.0 |
107 km |
| May 4, 1994 |
12 km NNW of Addison, Alabama |
M3.0 |
115 km |
| May 4, 2007 |
4 km SSW of Jasper, Alabama |
M3.0 |
133 km |
| Jan 2, 2000 |
4 km SW of Lester, Alabama |
M2.9 |
129 km |
| Jan 5, 2012 |
11 km NW of Oakman, Alabama |
M2.9 |
121 km |
| Jan 2, 2000 |
4 km SW of Lester, Alabama |
M2.9 |
129 km |
| Jun 25, 2020 |
4 km NNW of Berry, Alabama |
M2.9 |
119 km |
| May 13, 1999 |
7 km NW of Elkmont, Alabama |
M2.8 |
142 km |
| Oct 3, 1993 |
3 km SW of Oakman, Alabama |
M2.8 |
133 km |
| Sep 20, 1990 |
6 km N of Elkmont, Alabama |
M2.8 |
148 km |
| May 13, 1999 |
11 km S of Pulaski, Tennessee |
M2.8 |
147 km |
| Feb 25, 1999 |
10 km NE of Oakland, Mississippi |
M2.8 |
133 km |
| Mar 11, 2006 |
17 km E of Olivet, Tennessee |
M2.7 |
88 km |
Source: USGS (M2.5+, 1990–2025)
Tornado History
509 tornadoes (EF0+) within 100 km since 1950.
Strongest: EF5. Total: 245 fatalities, 1,926 injuries.
| Date |
Rating |
Distance |
Fatalities |
| Apr 27, 2011 |
EF5 |
53 km |
72 |
| Apr 27, 2011 |
EF5 |
51 km |
23 |
| Apr 16, 1998 |
EF5 |
90 km |
3 |
| Apr 3, 1974 |
EF5 |
81 km |
28 |
| Apr 3, 1974 |
EF5 |
91 km |
28 |
| Feb 5, 2008 |
EF4 |
87 km |
3 |
| Apr 19, 1970 |
EF4 |
54 km |
4 |
| Apr 29, 1963 |
EF4 |
48 km |
3 |
| Mar 21, 1952 |
EF4 |
97 km |
38 |
| Mar 31, 2023 |
EF3 |
79 km |
9 |
| Mar 24, 2023 |
EF3 |
77 km |
2 |
| Dec 23, 2015 |
EF3 |
85 km |
0 |
| Apr 28, 2014 |
EF3 |
44 km |
0 |
| Apr 27, 2011 |
EF3 |
98 km |
0 |
| Apr 27, 2011 |
EF3 |
72 km |
0 |
| May 2, 2010 |
EF3 |
74 km |
3 |
| May 8, 2008 |
EF3 |
40 km |
0 |
| Feb 5, 2008 |
EF3 |
98 km |
0 |
| Jan 10, 2008 |
EF3 |
94 km |
0 |
| Feb 24, 2001 |
EF3 |
96 km |
6 |
Source: NOAA SPC (EF0+, 1950–2024)
Wildfire History
20 wildfires (100+ acres) within 100 km.
Largest: COMP 109 (3,663 ac, 2010).
| Year |
Name |
Acres |
Distance |
| 2010 |
COMP 109 |
3,663 |
84 km |
| 2014 |
C-55 CHILLI LAKE |
3,555 |
65 km |
| 2017 |
UNNAMED |
3,152 |
82 km |
| 2014 |
C-39 EAST CHEWALLA |
3,107 |
82 km |
| 2017 |
UNNAMED |
3,031 |
64 km |
| 2022 |
HOLLY SPRINGS BB 119/90/88 |
2,955 |
85 km |
| 2013 |
UNNAMED |
2,848 |
81 km |
| 2006 |
WITCHDCE W |
2,846 |
76 km |
| 2014 |
C-84 BAGLEY BOTTOMS |
2,766 |
86 km |
| 2016 |
UNNAMED |
2,645 |
83 km |
| 2013 |
MIDWAY CEM PRESCRIBED BURN |
2,513 |
83 km |
| 2015 |
BIG TREE |
2,288 |
99 km |
| 2007 |
WITCHDANCE EAST |
2,285 |
75 km |
| 2013 |
PUSKUS LAKE |
2,271 |
81 km |
| 2017 |
UNNAMED |
2,248 |
75 km |
| 2010 |
BALLS MT. |
2,229 |
95 km |
| 2021 |
TOMBIGBEE CPT - 18/19/23/24 |
2,201 |
76 km |
| 2022 |
HOLLY SPRINGS BB 51/52/53 |
2,182 |
63 km |
| 2014 |
UNNAMED |
2,143 |
95 km |
| 2010 |
COMP 42 |
2,142 |
80 km |
Source: NIFC/IRWIN (100+ acres)
Monthly Weather
| Month |
Avg Temperature |
Precipitation |
Summary |
| January |
40°F (5°C) |
5.1 in |
Coldest |
| February |
44°F (7°C) |
4.8 in |
|
| March |
53°F (12°C) |
6.3 in |
Wettest |
| April |
61°F (16°C) |
5.4 in |
|
| May |
69°F (20°C) |
5.9 in |
|
| June |
76°F (24°C) |
4.0 in |
|
| July |
79°F (26°C) |
4.3 in |
Warmest |
| August |
79°F (26°C) |
3.4 in |
Driest |
| September |
73°F (23°C) |
3.9 in |
|
| October |
61°F (16°C) |
3.5 in |
|
| November |
51°F (11°C) |
5.1 in |
|
| December |
44°F (6°C) |
6.2 in |
|
Marietta has a seasonal temperature swing of 39°F / from 40°F in January to 79°F in July. Total annual precipitation is 57.9 inches, with March being the wettest month (6.3") and August the driest (3.4").
Average costs for common services in Marietta. Prices are estimated based on regional cost of living data and may vary by provider.
Healthcare
| Doctor Visit (Primary Care) |
$218 ($131–$348) |
| Specialist Visit |
$305 ($174–$479) |
| Urgent Care Visit |
$174 ($87–$305) |
| Emergency Room Visit |
$1,914 ($696–$4,350) |
| Dental Cleaning |
$113 ($65–$174) |
| Dental Filling |
$218 ($131–$348) |
View all 40 services
Auto Repair
| Oil Change (Conventional) |
$39 ($22–$65) |
| Oil Change (Synthetic) |
$65 ($44–$104) |
| Brake Pad Replacement |
$261 ($131–$435) |
| Tire Rotation |
$35 ($17–$65) |
| New Tires (Set of 4) |
$522 ($348–$870) |
| Battery Replacement |
$174 ($87–$305) |
View all 18 services
Home Services
| Plumber (Per Hour) |
$87 ($52–$131) |
| Electrician (Per Hour) |
$78 ($44–$122) |
| HVAC Repair |
$348 ($131–$696) |
| HVAC System Install |
$6,090 ($3,480–$10,440) |
| Roof Repair |
$870 ($348–$1,740) |
| Roof Replacement |
$7,830 ($4,785–$13,050) |
View all 25 services
Legal
| Divorce (Uncontested) |
$1,305 ($435–$3,045) |
| Divorce (Contested) |
$13,050 ($4,350–$26,100) |
| DUI Defense |
$4,350 ($1,740–$8,700) |
| Bankruptcy (Chapter 7) |
$1,305 ($696–$2,610) |
| Will Preparation |
$435 ($174–$870) |
| Trust Preparation |
$2,175 ($870–$4,350) |
View all 12 services
Personal Care
| Men's Haircut |
$22 ($13–$39) |
| Women's Haircut |
$48 ($26–$87) |
| Hair Coloring (Full) |
$131 ($65–$218) |
| Manicure |
$22 ($13–$39) |
| Pedicure |
$35 ($22–$57) |
| Massage (1 Hour) |
$70 ($44–$113) |
View all 12 services
Food & Grocery
| Gallon of Milk (per gallon) |
$3.57 ($2.61–$4.79) |
| Dozen Eggs (per dozen) |
$3.05 ($2.18–$4.35) |
| Loaf of Bread |
$3.31 ($2.18–$4.79) |
| Chicken Breast (per lb) |
$3.92 ($2.61–$5.66) |
| Ground Beef (per lb) |
$4.79 ($3.48–$6.53) |
| Rice (per lb) |
$0.87 ($0.52–$1.57) |
View all 20 services
Utilities
| Electricity (Monthly) |
$122 ($70–$218) |
| Natural Gas (Monthly) |
$61 ($26–$131) |
| Water/Sewer (Monthly) |
$61 ($35–$104) |
| Internet (Monthly) |
$61 ($35–$87) |
| Cell Phone Plan (Monthly) |
$57 ($26–$87) |
| Cable TV (Monthly) |
$74 ($44–$131) |
View all 8 services
Transportation
| Monthly Parking (Downtown) |
$174 ($65–$435) |
| Car Insurance (Annual) |
$1,740 ($1,044–$3,045) |
| Bus Pass (Monthly) |
$61 ($26–$113) |
| Taxi/Uber (5-Mile Ride) |
$13 ($6.96–$22) |
| Car Registration (Annual) |
$87 ($26–$218) |
| Driver's License Renewal |
$26 ($13–$65) |
View all 8 services
Education & Childcare
| Daycare (Infant, Monthly) |
$1,044 ($522–$2,175) |
| Daycare (Toddler, Monthly) |
$870 ($435–$1,740) |
| After-School Care (Monthly) |
$348 ($174–$609) |
| Tutoring (Per Hour) |
$44 ($22–$87) |
| SAT/ACT Prep Course |
$870 ($348–$2,175) |
| Private School (K-12, Annual) |
$10,875 ($4,350–$26,100) |
View all 8 services
Pets
| Vet Visit (Routine Checkup) |
$52 ($26–$87) |
| Dog Vaccination (Annual) |
$87 ($44–$174) |
| Dog Grooming |
$52 ($26–$87) |
| Pet Boarding (Per Night) |
$35 ($17–$65) |
| Dog Spay/Neuter |
$261 ($131–$435) |
| Cat Spay/Neuter |
$174 ($87–$348) |
View all 9 services
Childcare
| Center-Based (monthly) |
| Infant | $509 |
| Toddler | $463 |
| Preschool | $463 |
| Family Childcare (monthly) |
Source: DOL Women's Bureau (2022)
Frequently Asked Questions About Marietta
What is the population of Marietta?
Marietta has a population of 159 residents and is located in Mississippi. The population density is 89 people per square mile, spread across 1.8 square miles. The median age of residents is 46.2 years, which is older than the national median of 38.9 years. The population is 52.2% female and 47.8% male.
Is Marietta expensive to live in?
Marietta is more affordable than the national average, with a cost of living index of 87 / below the baseline of 100. The median household income is $58,750, 22% below the national average of $75,149. The median home value is $104,200 (63% below the U.S. median). Renters pay a median of $350 per month, below the national average of $1,163. The home price-to-income ratio is 1.8x, indicating housing is reasonably affordable relative to local income levels.
Is Marietta safe?
Marietta is considered a very safe city with a violent crime rate of 50 per 100,000 residents, well below the national average of 380. Property crime occurs at a rate of 1,670 per 100,000 (below the national average). Overall, Marietta receives a safety grade of F based on combined crime data.
What is the weather like in Marietta?
Marietta enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winter temperatures average 40°F in January, while summers reach an average of 79°F in July. The area receives 302 sunny days per year, well above the national average of 205. Annual rainfall totals 61.5 inches, with 1.6 inches of snow. Air quality is rated Good with a median Air Quality Index (AQI) of 43.
How is the job market in Marietta?
The job market in Marietta is very strong, with unemployment at just 2.2% / well below the national rate of 3.6%. The average weekly wage is $803. There are 552 business establishments in the area, including 42 restaurants and food service locations. The average commute time is 33 minutes, and 3.3% of workers work from home.
How much does housing cost in Marietta?
The median home value in Marietta is $104,200. Zillow estimates the typical home value at $149,659. For renters, the median monthly rent is $350. Fair market rent is $782 for a 1-bedroom and $924 for a 2-bedroom apartment. The homeownership rate is 83.6%. The average annual property tax is $2,378.
How are the schools in Marietta?
Schools in Marietta score 5.4 out of 10 on standardized testing, near the national average. 12.7% of adults in Marietta hold a bachelor's degree or higher, below the national average of 33.7%. 87.3% have completed high school. 7.8% hold a graduate or professional degree.
How healthy is Marietta?
The obesity rate in Marietta is 40.3% (above the national rate of 32.1%). 20.8% of adults are smokers. 34.3% are physically inactive. 24.2% of residents report depression. 12.3% lack health insurance (above the national rate). 56.1% of residents have access to exercise opportunities. The primary care physician ratio is 1:3,125.
What is transportation like in Marietta?
The average commute in Marietta is 33 minutes, longer than the national average of 28 minutes. 91.2% of workers drive alone to work, and 3.3% work from home.
What are the demographics of Marietta?
The racial and ethnic makeup of Marietta is 98.7% White. 100% of residents speak only English at home. 2.2% of the population are military veterans. 30.4% of residents have a disability. 93.6% have health insurance coverage.