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Arnold, MO

Missouri

Arnold is a small city in Missouri with a population of 20,884. Residents earn $75,194 per year, which is 0% below the national average.

3.3 /5.0
B Good
20,884 Population 1,811/sq mi density
$75,194 Median Income $37,093 per capita
$209,700 Home Value $266,927 Zillow
$1,085 Median Rent 24.9% income on rent
58°F Avg Temperature 293 sunny days/yr
141 Violent Crime/100K 3,697 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$75,194 median income, 2.7% unemployment
A+
Affordability
5.0 / 5.0
$209,700 home value, $1,085/mo rent
F
Safety
1.0 / 5.0
141 violent crimes/100K (63% below avg)
C+
Education
2.9 / 5.0
24.0% bachelor's degree or higher
Median Income $75,194
0% lower than US avg
Home Value $209,700
26% lower than US avg
Violent Crime 141/100K
63% lower than US avg
Bachelor's+ 24.0%
29% lower than US avg
Median Rent $1,085
7% lower than US avg
Obesity Rate 39.1%
22% higher than US avg
Unemployment 2.7%
25% lower than US avg
Poverty Rate 6.8%
45% lower than US avg

How Arnold Compares to the U.S. Average (100% = U.S. avg)

People

Population20,884
Median Age39.9 yrs
Density1,811/mi²
Male / Female50% / 50%
Largest GroupWhite 91%
Veterans6.7%

Economy

A
Median Income$75,194
Per Capita$37,093
Unemployment2.7%
Poverty6.8%
Commute28 min

Housing

A+
Home Value$209,700
Rent$1,085
OwnershipN/A
Zillow$266,927
Housing Units9,074
Rent Burden24.9%

Crime

F
Violent141/100K
Property3,697/100K
Murder0.0/100K
Assault90/100K
Burglary250/100K

Health

Obesity39.1%
Uninsured8.1%
Smoking15.8%
Depression24.6%
Heart Disease5.3%

Climate

Avg Temp58°F (15°C)
AQI41 (Good)
Rain45.6 in/yr
Sunny Days293/yr
Elevation600 ft (183 m)

Education

C+
Bachelor's+24.0%
High School+91.0%
Graduate+7.3%
School Score5.51

Community

2024 VoteR 77% / D 22%
Commute28 min
Broadband90.6%
EV Stations1

Is Arnold a Good Place to Live?

Based on current data, Arnold receives an overall livability score of 3.3 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 high obesity rates. Arnold offers a solid quality of life with a good balance of affordability, safety, and opportunity.

Economy & Jobs

The median household income in Arnold is $75,194, roughly in line with the national average of $75,149. The job market is very strong with unemployment at just 2.7%. Only 6.8% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 28 minutes.

Cost of Living & Housing

The median home value in Arnold is $209,700, 26% below the national median — offering relatively affordable homeownership. Renters pay a median of $1,085 per month. At just 2.8x median income, home prices are very affordable relative to local earnings.

Safety & Crime

Arnold is a very safe community with a violent crime rate of 141 per 100,000 residents — well below the national average of 380. Property crime occurs at a rate of 3,697 per 100,000, 89% above the national average.

Education

24.0% of residents hold a bachelor's degree, below the national average of 33.7%. 91.0% have completed high school. Area schools have an average test score of 5.5/10.

Climate & Weather

Arnold enjoys a moderate climate with an average annual temperature of 58°F. Winters average 38°F in January while summers reach 78°F in July. With 293 sunny days per year, residents enjoy well above the national average of sunshine. Annual precipitation totals 45.6 inches, including 7.6 inches of snow. Air quality is rated Good with a median AQI of 41.

Arnold has a population of 20,884 with a density of 1,811 people per square mile, spread across 11.5 square miles. The median age is 39.9 years, 3% older than the national median of 38.9. The gender split is 50.4% female and 49.6% male. The city is predominantly White (90.9%). English is the primary language spoken at home by 92.4% of residents, while 7.6% speak Spanish. 6.7% of the population are veterans. 13.7% of residents have a disability. 92.1% have health insurance coverage.

Population

20,884
Total Population
1,811
People / sq mi
39.9yrs
Median Age
3% above US avg
11.5mi²
Land Area

Gender Distribution

Male 49.6%
Female 50.4%

Race & Ethnicity

Arnold vs U.S. Average

Language Spoken at Home

English Only92.4%
18% above US avg
Spanish7.6%
43% below US avg

Social Characteristics

Arnold vs U.S. Average

The median household income in Arnold is $75,194, which is 0% below the national average of $75,149. Per capita income is $37,093. The unemployment rate is 2.7% (below the 3.6% US average). 6.8% of residents live below the poverty line, lower than the national rate of 12.4%. The cost of living index is 90.8, below the national baseline of 100 — offering relatively affordable living. Workers commute an average of 28 minutes. 8.1% of workers work from home (below the 15.2% national rate).

Income: Arnold vs U.S.

Commute Mode

Income

Median HH Income$75,194
0% below US avg
Per Capita Income$37,093

Employment & Poverty

Unemployment2.7%
25% below US avg
Poverty Rate6.8%
45% below US avg

Business (County)

Tax & Cost of Living

Cost of Living90.80 (100=avg)

Commute & Transportation

Commute Time27.5 min
Drive Alone85.3%
Public Transit0.0%
Work from Home8.1%

Walkability

The median home value in Arnold is $209,700, 26% below the national median of $281,900. Zillow estimates the typical home value at $266,927, higher than the Census estimate. Homes sell for 100.8% of their list price, indicating a competitive market where bidding wars are common. Monthly rent averages $1,085 (7% below the national average of $1,163). Fair market rent ranges from $775 for a one-bedroom to $970 for a two-bedroom apartment. There are 9,074 total housing units in the city. The median year a home was built is 1976. 24.9% of renters spend 30% or more of their income on housing. The home price-to-income ratio is 2.8x, well within the affordable range.

Home Value Sources

Ownership Split

Home Values

Census Median$209,700
26% below US avg
Zillow ZHVI$266,927
Median List Price$220,000

Real Estate Market (Redfin)

Median List Price$220,000
$/Sq Ft$186
Homes Sold8
Sale-to-List Ratio100.8%
Price Drops17.4%
Inventory23

Rental Costs

Census Median Rent$1,085
7% below US avg
Zillow Rent (ZORI)$1,627
Rent Burden24.9%

HUD Fair Market Rent

Studio$732
1 Bedroom$775
2 Bedrooms$970
3 Bedrooms$1,265
4 Bedrooms$1,457

Ownership & Property

Owner-Occupied79.6%
Housing Units9,074
Median Year Built1976

Property Tax

In Arnold, 39.1% of adults are obese, above the national rate of 32.1%. 9.2% have diabetes. Heart disease affects 5.3% of residents. 30.9% have high blood pressure. 15.8% are current smokers. 17.7% report binge drinking. 25.9% are physically inactive. 24.6% report depression (above the 20.0% national average). 18.3% experience frequent mental distress. 8.1% of residents lack health insurance.

Health Metrics: Arnold vs U.S. Average (%)

Chronic Conditions

Obesity39.1%
22% above US avg
Diabetes9.2%
Heart Disease5.3%
High Blood Pressure30.9%
Asthma10.6%
COPD6.6%
Cancer7.6%
Stroke2.8%

Behaviors & Mental Health

Smoking15.8%
13% above US avg
Binge Drinking17.7%
Physical Inactivity25.9%
Depression24.6%
Mental Distress18.3%
Physical Distress12.9%
Short Sleep37.1%

Healthcare Access

Insurance Rate92.1%
Uninsured8.1%
6% below US avg
Checkup Rate76.6%
Dental Visits60.9%

Food & Exercise

Arnold has a violent crime rate of 141 per 100,000 residents, 63% below the national average of 380. This breaks down to aggravated assault at 89.6 per 100,000, robbery at 37.7, rape at 14.2. The murder rate is 0.0 per 100,000 (below the national rate of 6.3). Property crime stands at 3,697 per 100,000, 89% above the U.S. average. This includes larceny/theft at 3,372, burglary at 250, vehicle theft at 75 per 100,000 residents. Overall, Arnold receives a safety grade of F.

Crime Rates: Arnold vs U.S. Average (per 100,000)

Violent Crime

Total Violent141.5/100K
63% below US avg
Murder0.0/100K
100% below US avg
Rape14.2/100K
Robbery37.7/100K
Assault89.6/100K

Property Crime

Total Property3,696.9/100K
89% above US avg
Burglary249.9/100K
Theft3,371.5/100K
Vehicle Theft75.5/100K
Arson4.7/100K

Traffic Safety

Safety Score

Safety GradeF
Safety Score1.0 / 5.0
Arnold enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 293 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 45.6 inches. The area receives 7.6 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 600 feet.

Temperature

38°F Jan (3°C) 78°F Jul (26°C)
Annual Average58.2°F
8% above US avg
January Average38°F (3°C)
July Average78°F (26°C)
Sunny Days293 days/yr

Precipitation & Snow

Annual Rainfall45.6 inches
20% above US avg
Snowfall7.6 inches/yr

Air Quality

AQI Median41.0
RatingGood

Geography

Elevation600 ft (183 m)
Area11.5 sq mi (29.9 km²)
Population Density1,811/sq mi
Coordinates38.4328°N, 90.3776°W
TimezoneAmerica/Chicago

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 2.1 in Driest
February 35°F (2°C) 2.2 in
March 45°F (7°C) 3.7 in
April 55°F (13°C) 3.7 in
May 65°F (18°C) 4.1 in Wettest
June 73°F (23°C) 3.5 in
July 78°F (26°C) 3.5 in Warmest
August 76°F (25°C) 3.2 in
September 69°F (20°C) 3.3 in
October 57°F (14°C) 2.8 in
November 45°F (7°C) 3.6 in
December 35°F (1°C) 3.1 in Coldest

Arnold has a seasonal temperature swing of 44°F — from 35°F in December to 78°F in July. Total annual precipitation is 38.8 inches, with May being the wettest month (4.1") and January the driest (2.1").

24.0% of adults hold a bachelor's degree or higher, 29% below the national average of 33.7%. 91.0% have completed high school. 7.3% hold a graduate or professional degree (below the 13.1% national rate). Area schools have an average test score of 5.5 out of 10. In the 2024 presidential election, the county voted Republican with 76.6% of the vote, a 54.2-point margin. 90.6% of households have broadband internet access. The area has 1 EV charging stations. 85.3% of workers drive alone to work.

2024 Presidential Election (County)

R 76.6%
D 22.4%

Winner: Republican by 54.2 points

Education

Bachelor's Degree+24.0%
29% below US avg
High School+91.0%
Graduate Degree+7.3%
School Test Score5.51
C+ Education Grade (2.9/5.0)

Urban-Rural Classification

Population Density1,811/sq mi
Total Area11.5 sq mi

Infrastructure & Services

Broadband Access90.6%
EV Charging Stations1
Alt Fuel Stations3

Safety & Disasters

F Safety Grade (1.0/5.0)

Commute & Transportation

Avg Commute27.5 min
Drive Alone85.3%
Public Transit0.0%
Work from Home8.1%

Frequently Asked Questions About Arnold

What is the population of Arnold?

Arnold has a population of 20,884 residents and is located in Missouri. The population density is 1,811 people per square mile, spread across 11.5 square miles. The median age of residents is 39.9 years. The population is 50.4% female and 49.6% male.

Is Arnold expensive to live in?

Arnold is more affordable than the national average, with a cost of living index of 90.8 — below the baseline of 100. The median household income is $75,194, 0% below the national average of $75,149. The median home value is $209,700 (26% below the U.S. median). Renters pay a median of $1,085 per month. The home price-to-income ratio is 2.8x, indicating housing is reasonably affordable relative to local income levels.

Is Arnold safe?

Arnold is considered a very safe city with a violent crime rate of 141 per 100,000 residents, well below the national average of 380. Property crime occurs at a rate of 3,697 per 100,000 (above the national average). Overall, Arnold receives a safety grade of F based on combined crime data.

What is the weather like in Arnold?

Arnold enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winter temperatures average 38°F in January, while summers reach an average of 78°F in July. The area receives 293 sunny days per year, well above the national average of 205. Annual rainfall totals 45.6 inches, with 7.6 inches of snow. Air quality is rated Good with a median Air Quality Index (AQI) of 41.

How is the job market in Arnold?

The job market in Arnold is very strong, with unemployment at just 2.7% — well below the national rate of 3.6%. The average commute time is 28 minutes, and 8.1% of workers work from home.

How much does housing cost in Arnold?

The median home value in Arnold is $209,700. Zillow estimates the typical home value at $266,927. For renters, the median monthly rent is $1,085. Fair market rent is $775 for a 1-bedroom and $970 for a 2-bedroom apartment.

How are the schools in Arnold?

Schools in Arnold score 5.5 out of 10 on standardized testing, near the national average. 24.0% of adults in Arnold hold a bachelor's degree or higher, below the national average of 33.7%. 91.0% have completed high school. 7.3% hold a graduate or professional degree.

How healthy is Arnold?

The obesity rate in Arnold is 39.1% (above the national rate of 32.1%). 15.8% of adults are smokers. 25.9% are physically inactive. 24.6% of residents report depression. 8.1% lack health insurance.

What is transportation like in Arnold?

The average commute in Arnold is 28 minutes. 85.3% of workers drive alone to work, and 8.1% work from home.

What are the demographics of Arnold?

The racial and ethnic makeup of Arnold is 90.9% White. 92.4% of residents speak only English at home, while 7.6% speak Spanish. 6.7% of the population are military veterans. 13.7% of residents have a disability. 92.1% have health insurance coverage.

Nearby Cities

Imperial, MO 5,617 pop · 4.4 mi Oakville, MO 35,166 pop · 4.7 mi Mehlville, MO 29,089 pop · 6.0 mi Barnhart, MO 6,036 pop · 6.2 mi Fenton, MO 4,087 pop · 6.4 mi Green Park, MO 2,688 pop · 6.6 mi Murphy, MO 8,566 pop · 7.1 mi Sappington, MO 6,882 pop · 7.2 mi Sunset Hills, MO 9,113 pop · 7.5 mi Lakeshire, MO 1,478 pop · 7.7 mi St. George, MO 1,568 pop · 8.0 mi Affton, MO 20,035 pop · 8.5 mi Crestwood, MO 12,298 pop · 8.6 mi Lemay, MO 16,431 pop · 8.8 mi
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