Violent Crime
0/100K
100% lower than US avg
Bachelor's+
0.0%
100% lower than US avg
Obesity Rate
34.4%
7% higher than US avg
Unemployment
0.0%
100% lower than US avg
Poverty Rate
0.0%
100% lower than US avg
How Grassland Colony Compares to the U.S. Average (100% = U.S. avg)
People
Population36
Median Age45.0 yrs
Density84/mi²
Male / Female72% / 28%
Largest GroupWhite 100%
Veterans36.0%
Economy
Per Capita$46,992
Unemployment0.0%
Poverty0.0%
County GDP$3,155M
Housing
Ownership100.0%
Zillow$236,161
Housing Units6
Rent Burden22.6%
Crime
Violent0/100K
Property0/100K
Health
Obesity34.4%
Uninsured9.6%
Smoking17.0%
Depression24.0%
Heart Disease5.4%
Climate
Avg Temp42°F (6°C)
AQI35 (Good)
Rain21.8 in/yr
Sunny Days276/yr
Elevation1,487 ft (453 m)
Education
Bachelor's+0.0%
High School+0.0%
Graduate+0.0%
School Score6.27
Community
2024 VoteR 62% / D 36%
Broadband14.0%
EV Stations1
Libraries3
Grassland Colony has a population of 36 with a density of 84 people per square mile, spread across 0.4 square miles. The median age is 45.0 years, 16% older than the national median of 38.9. The gender split is 27.8% female and 72.2% male. The city is predominantly White (100%). English is the primary language spoken at home by 0% of residents, while 100% speak Spanish. 36.0% of the population are veterans, above the national rate of 6.0%. 0.0% of residents have a disability (below the 13.0% national average). 100.0% have health insurance coverage.
Population
45.0yrs
Median Age
16% above US avg
Race & Ethnicity
Grassland Colony vs U.S. Average
Language Spoken at Home
English Only
0.0%
100% below US avg
Spanish
100.0%
646% above US avg
Social Characteristics
Grassland Colony vs U.S. Average
Per capita income is $46,992 (above the $39,052 national figure). The average weekly wage is $1,047, 27% lower than the U.S. average. The unemployment rate is 0.0% (below the 3.6% US average). 0.0% of residents live below the poverty line, lower than the national rate of 12.4%. The area has 1,522 business establishments, including 102 restaurants. The cost of living index is 88.6, below the national baseline of 100 / offering relatively affordable living. 0.0% of workers work from home (below the 15.2% national rate).
Income: Grassland Colony vs U.S.
Income
| |
| Per Capita Income | $46,992 |
| Avg Weekly Wage | $1,047 |
| IRS Avg AGI | $88,624 |
| Gini Index | 0.432 (0=equal, 1=unequal) |
Employment & Poverty
| Unemployment | 0.0% |
| 100% below US avg |
| Poverty Rate | 0.0% |
| 100% below US avg |
| Establishments (County) | 1,522 |
| County GDP | $3,155M |
Business (County)
| Restaurants | 102 |
| Healthcare | 124 |
| Retail | 163 |
| Manufacturing | 42 |
Tax & Cost of Living
| Property Tax (IRS) | $6,536 |
| 87% above US avg |
| Cost of Living | 88.60 (100=avg) |
Commute & Transportation
| Drive Alone | 53.9% |
| Public Transit | 0.0% |
| Work from Home | 0.0% |
Zillow estimates the typical home value at $236,161. Fair market rent ranges from $784 for a one-bedroom to $990 for a two-bedroom apartment. 100.0% of housing units are owner-occupied (above the 65.4% national rate). There are 6 total housing units in the city. The average annual property tax is $6,536 (higher than the $3,500 national average). 22.6% of renters spend 30% or more of their income on housing.
Real Estate Market (Redfin)
Rental Costs
HUD Fair Market Rent
| Studio | $691 |
| 1 Bedroom | $784 |
| 2 Bedrooms | $990 |
| 3 Bedrooms | $1,295 |
| 4 Bedrooms | $1,540 |
Ownership & Property
| Homeownership | 100.0% |
| Owner-Occupied | 100.0% |
| Renter-Occupied | 0.0% |
| Housing Units | 6 |
Property Tax
| Avg Tax (IRS) | $6,536 |
| 87% above US avg |
In Grassland Colony, 34.4% of adults are obese, above the national rate of 32.1%. 8.8% have diabetes (below the 10.5% national rate). Heart disease affects 5.4% of residents. 26.6% have high blood pressure. 17.0% are current smokers (above the 14.0% national rate). 18.4% report binge drinking. 24.2% are physically inactive. 24.0% report depression (above the 20.0% national average). 18.1% experience frequent mental distress. 9.6% of residents lack health insurance. The primary care physician ratio is 1:1,588. The dentist ratio is 1:1,582. 84.2% of residents have access to exercise opportunities. The food environment index is 8.2 out of 10.
Health Metrics: Grassland Colony vs U.S. Average (%)
Chronic Conditions
| Obesity | 34.4% |
| 7% above US avg |
| Diabetes | 8.8% |
| Heart Disease | 5.4% |
| High Blood Pressure | 26.6% |
| Asthma | 11.0% |
| COPD | 6.3% |
| Cancer | 6.7% |
| Stroke | 2.8% |
Behaviors & Mental Health
| Smoking | 17.0% |
| 21% above US avg |
| Binge Drinking | 18.4% |
| Physical Inactivity | 24.2% |
| Depression | 24.0% |
| Mental Distress | 18.1% |
| Physical Distress | 12.3% |
| Short Sleep | 29.7% |
Healthcare Access
| Insurance Rate | 100.0% |
| Uninsured | 9.6% |
| 12% above US avg |
| Primary Care | 1:1,588 |
| Dentists | 1:1,582 |
| Mental Health | 1:219 |
| Checkup Rate | 70.1% |
| Dental Visits | 62.7% |
| Premature Death | 6,876/100K |
Food & Exercise
| Food Environment | 8.2/10 |
| Exercise Access | 84.2% |
| Healthcare Facilities | 124 |
Grassland Colony has a violent crime rate of 0 per 100,000 residents, 100% below the national average of 380. Property crime stands at 0 per 100,000, 100% below the U.S. average. The county recorded 3 fatal traffic crashes.
Crime Rates: Grassland Colony vs U.S. Average (per 100,000)
Violent Crime
| Total Violent | 0.0/100K |
| 100% below US avg |
| |
Property Crime
| Total Property | 0.0/100K |
| 100% below US avg |
Traffic Safety
| Fatal Crashes (County/yr) | 3 |
| Avg Accident Severity | 0.0 / 4.0 |
Safety Score
Grassland Colony has a cool climate with an average annual temperature of 42°F (6°C). Winters average 11°F in January while summers reach 71°F in July. The area gets 276 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 21.8 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 1,487 feet.
Temperature
11°F Jan (-12°C)
71°F Jul (22°C)
| Annual Average | 42.2°F |
| 22% below US avg |
| January Average | 11°F (-12°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,487 ft (453 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 84/sq mi |
| Coordinates | 45.6682°N, 98.7965°W |
| Timezone | America/Chicago |
| County | Brown County County |
| Nearest Airport | Aberdeen Regional (ABR)
24 miles away |
Precipitation & Snow
Annual Rainfall
21.8"
43% below US avg
Wettest Month (Jun)
3.35"
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 7.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 73.5 / 100 |
| Social Vulnerability | 24.1 / 100 |
| Community Resilience | 85.6 / 100 |
Hazard Breakdown
| Tornado |
Relatively Moderate |
| Earthquake |
Very Low |
| Wildfire |
Relatively Low |
| Flood |
Relatively Low |
| Hail |
Relatively Moderate |
| Strong Wind |
Relatively Moderate |
| Heat Wave |
Relatively Low |
| Winter Weather |
Very High |
| Lightning |
Very Low |
| Ice Storm |
Relatively Moderate |
| Drought |
Very Low |
| Cold Wave |
Relatively High |
| Landslide |
Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) within 150 km since 1990.
Strongest: M3.0. Most recent: M3.0 on Aug 15, 2017.
| Aug 15, 2017 |
8 km E of Agar, South Dakota |
M3.0 |
130 km |
Source: USGS (M2.5+, 1990–2025)
Tornado History
351 tornadoes (EF0+) within 100 km since 1950.
Strongest: EF4. Total: 6 fatalities, 59 injuries.
| Date |
Rating |
Distance |
Fatalities |
| May 22, 2010 |
EF4 |
78 km |
0 |
| Jun 23, 2002 |
EF4 |
29 km |
0 |
| Jul 17, 2011 |
EF3 |
92 km |
0 |
| Aug 24, 2006 |
EF3 |
69 km |
0 |
| Jun 23, 2002 |
EF3 |
15 km |
0 |
| May 31, 1996 |
EF3 |
33 km |
0 |
| Aug 19, 1974 |
EF3 |
80 km |
0 |
| May 20, 1974 |
EF3 |
99 km |
0 |
| Jul 1, 1973 |
EF3 |
88 km |
0 |
| Jul 1, 1973 |
EF3 |
52 km |
1 |
| Jun 25, 1969 |
EF3 |
61 km |
0 |
| Jun 20, 1968 |
EF3 |
98 km |
0 |
| Jul 31, 1966 |
EF3 |
64 km |
2 |
| May 20, 1965 |
EF3 |
37 km |
0 |
| Jun 21, 1961 |
EF3 |
49 km |
1 |
| Jun 9, 1957 |
EF3 |
76 km |
0 |
| Jul 4, 2020 |
EF2 |
0 km |
0 |
| Jul 10, 2011 |
EF2 |
82 km |
0 |
| May 22, 2010 |
EF2 |
22 km |
0 |
| May 22, 2010 |
EF2 |
44 km |
0 |
Source: NOAA SPC (EF0+, 1950–2024)
Wildfire History
6 wildfires (100+ acres) within 100 km.
Largest: ROHRBACH (2,887 ac, 2022).
| Year |
Name |
Acres |
Distance |
| 2022 |
ROHRBACH |
2,887 |
64 km |
| 2003 |
JOEL BERTSCH 2 |
1,460 |
59 km |
| 2004 |
TACOMA PARK PLACE |
1,336 |
45 km |
| 2004 |
ALLEN STUECKLE |
1,330 |
71 km |
| 2016 |
SLR 2016 RX MICHELL |
1,242 |
53 km |
| 2000 |
PHEASANT OPENER |
1,206 |
81 km |
Source: NIFC/IRWIN (100+ acres)
Monthly Weather
| Month |
Avg Temperature |
Precipitation |
Summary |
| January |
11°F (-12°C) |
0.5 in |
Coldest |
| February |
17°F (-8°C) |
0.5 in |
|
| March |
29°F (-2°C) |
1.3 in |
|
| April |
44°F (7°C) |
2.2 in |
|
| May |
57°F (14°C) |
2.7 in |
|
| June |
66°F (19°C) |
3.4 in |
Wettest |
| July |
71°F (22°C) |
2.6 in |
Warmest |
| August |
70°F (21°C) |
2.1 in |
|
| September |
59°F (15°C) |
1.8 in |
|
| October |
46°F (8°C) |
1.2 in |
|
| November |
28°F (-2°C) |
0.7 in |
|
| December |
15°F (-9°C) |
0.4 in |
Driest |
Grassland Colony has a seasonal temperature swing of 60°F / from 11°F in January to 71°F in July. Total annual precipitation is 19.3 inches, with June being the wettest month (3.4") and December the driest (0.4").
Average costs for common services in Grassland Colony. Prices are estimated based on regional cost of living data and may vary by provider.
Healthcare
| Doctor Visit (Primary Care) |
$222 ($133–$354) |
| Specialist Visit |
$310 ($177–$487) |
| Urgent Care Visit |
$177 ($89–$310) |
| Emergency Room Visit |
$1,949 ($709–$4,430) |
| Dental Cleaning |
$115 ($66–$177) |
| Dental Filling |
$222 ($133–$354) |
View all 40 services
Auto Repair
| Oil Change (Conventional) |
$40 ($22–$66) |
| Oil Change (Synthetic) |
$66 ($44–$106) |
| Brake Pad Replacement |
$266 ($133–$443) |
| Tire Rotation |
$35 ($18–$66) |
| New Tires (Set of 4) |
$532 ($354–$886) |
| Battery Replacement |
$177 ($89–$310) |
View all 18 services
Home Services
| Plumber (Per Hour) |
$89 ($53–$133) |
| Electrician (Per Hour) |
$80 ($44–$124) |
| HVAC Repair |
$354 ($133–$709) |
| HVAC System Install |
$6,202 ($3,544–$10,632) |
| Roof Repair |
$886 ($354–$1,772) |
| Roof Replacement |
$7,974 ($4,873–$13,290) |
View all 25 services
Legal
| Divorce (Uncontested) |
$1,329 ($443–$3,101) |
| Divorce (Contested) |
$13,290 ($4,430–$26,580) |
| DUI Defense |
$4,430 ($1,772–$8,860) |
| Bankruptcy (Chapter 7) |
$1,329 ($709–$2,658) |
| Will Preparation |
$443 ($177–$886) |
| Trust Preparation |
$2,215 ($886–$4,430) |
View all 12 services
Personal Care
| Men's Haircut |
$22 ($13–$40) |
| Women's Haircut |
$49 ($27–$89) |
| Hair Coloring (Full) |
$133 ($66–$222) |
| Manicure |
$22 ($13–$40) |
| Pedicure |
$35 ($22–$58) |
| Massage (1 Hour) |
$71 ($44–$115) |
View all 12 services
Food & Grocery
| Gallon of Milk (per gallon) |
$3.63 ($2.66–$4.87) |
| Dozen Eggs (per dozen) |
$3.10 ($2.22–$4.43) |
| Loaf of Bread |
$3.37 ($2.22–$4.87) |
| Chicken Breast (per lb) |
$3.99 ($2.66–$5.76) |
| Ground Beef (per lb) |
$4.87 ($3.54–$6.65) |
| Rice (per lb) |
$0.89 ($0.53–$1.59) |
View all 20 services
Utilities
| Electricity (Monthly) |
$124 ($71–$222) |
| Natural Gas (Monthly) |
$62 ($27–$133) |
| Water/Sewer (Monthly) |
$62 ($35–$106) |
| Internet (Monthly) |
$62 ($35–$89) |
| Cell Phone Plan (Monthly) |
$58 ($27–$89) |
| Cable TV (Monthly) |
$75 ($44–$133) |
View all 8 services
Transportation
| Monthly Parking (Downtown) |
$177 ($66–$443) |
| Car Insurance (Annual) |
$1,772 ($1,063–$3,101) |
| Bus Pass (Monthly) |
$62 ($27–$115) |
| Taxi/Uber (5-Mile Ride) |
$13 ($7.09–$22) |
| Car Registration (Annual) |
$89 ($27–$222) |
| Driver's License Renewal |
$27 ($13–$66) |
View all 8 services
Education & Childcare
| Daycare (Infant, Monthly) |
$1,063 ($532–$2,215) |
| Daycare (Toddler, Monthly) |
$886 ($443–$1,772) |
| After-School Care (Monthly) |
$354 ($177–$620) |
| Tutoring (Per Hour) |
$44 ($22–$89) |
| SAT/ACT Prep Course |
$886 ($354–$2,215) |
| Private School (K-12, Annual) |
$11,075 ($4,430–$26,580) |
View all 8 services
Pets
| Vet Visit (Routine Checkup) |
$53 ($27–$89) |
| Dog Vaccination (Annual) |
$89 ($44–$177) |
| Dog Grooming |
$53 ($27–$89) |
| Pet Boarding (Per Night) |
$35 ($18–$66) |
| Dog Spay/Neuter |
$266 ($133–$443) |
| Cat Spay/Neuter |
$177 ($89–$354) |
View all 9 services
Childcare
| Center-Based (monthly) |
| Infant | $650 |
| Toddler | $650 |
| Preschool | $591 |
| Family Childcare (monthly) |
| Infant | $443 |
| Toddler | $443 |
| Preschool | $433 |
Source: DOL Women's Bureau (2022)
Frequently Asked Questions About Grassland Colony
What is the population of Grassland Colony?
Grassland Colony has a population of 36 residents and is located in South Dakota. The population density is 84 people per square mile, spread across 0.4 square miles. The median age of residents is 45.0 years, which is older than the national median of 38.9 years. The population is 27.8% female and 72.2% male.
Is Grassland Colony expensive to live in?
Grassland Colony is more affordable than the national average, with a cost of living index of 88.6 / below the baseline of 100.
Is Grassland Colony safe?
Grassland Colony is considered a very safe city with a violent crime rate of 0 per 100,000 residents, well below the national average of 380. Property crime occurs at a rate of 0 per 100,000 (below the national average).
What is the weather like in Grassland Colony?
Grassland Colony has a cool climate with an average annual temperature of 42°F (6°C). Winter temperatures average 11°F in January, while summers reach an average of 71°F in July. The area receives 276 sunny days per year, well above the national average of 205. Annual rainfall totals 21.8 inches. Air quality is rated Good with a median Air Quality Index (AQI) of 35.
How is the job market in Grassland Colony?
The job market in Grassland Colony is very strong, with unemployment at just 0.0% / well below the national rate of 3.6%. The average weekly wage is $1,047. There are 1,522 business establishments in the area, including 102 restaurants and food service locations.
How are the schools in Grassland Colony?
Schools in Grassland Colony score 6.3 out of 10 on standardized testing, near the national average. 0.0% of adults in Grassland Colony hold a bachelor's degree or higher, below the national average of 33.7%. 0.0% have completed high school. 0.0% hold a graduate or professional degree.
How healthy is Grassland Colony?
The obesity rate in Grassland Colony is 34.4% (above the national rate of 32.1%). 17.0% of adults are smokers. 24.2% are physically inactive. 24.0% of residents report depression. 9.6% lack health insurance. 84.2% of residents have access to exercise opportunities. The primary care physician ratio is 1:1,588.
What are the demographics of Grassland Colony?
The racial and ethnic makeup of Grassland Colony is 100% White. 0% of residents speak only English at home, while 100% speak Spanish. 36.0% of the population are military veterans. 0.0% of residents have a disability. 100.0% have health insurance coverage.
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