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St. Louis County, Missouri

County

Population: 996,618 (2023 estimate)

Located in Missouri

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — St. Louis County

What is the median household income in St. Louis County?
The median household income in St. Louis County is $81,340 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in St. Louis County?
The poverty rate in St. Louis County is 6.7% (U.S. Census Bureau ACS 2023).
What is the median home value in St. Louis County?
$260,700 (U.S. Census Bureau ACS 2023).
What is the average rent in St. Louis County?
The median gross rent in St. Louis County is $1,164 per month (U.S. Census Bureau ACS 2023).
What percentage of St. Louis County residents have a college degree?
46.9% of adults in St. Louis County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
996,618
Median Income
$81,340
Median Home Value
$260,700
Poverty Rate
6.7%
Unemployment (ACS 2023)
4.2%
Median Age
40.0 yrs
Since 2019 Median Income: +$13,920 (+20.6%) Home Value: +$61,900 (+31.1%) Poverty Rate: -0.1 pp (-1.5%) Bachelor's+: +3.3 pp (+7.6%) Unemployment: -0.5 pp (-10.6%)

Demographics

Total Population 996,618
Median Age 40.0
Female 52.2%
Race & Ethnicity
Hispanic or Latino 3.7% White (non-Hisp.) 62.0% Black 24.2% Asian 4.7% Two or More 6.4% Other 1.6%
Asian Subgroups (% of total pop.)
Indian
2.0%
Chinese
1.1%
Vietnamese
0.4%
Filipino
0.3%
Korean
0.3%
Japanese
0.1%
Hispanic Subgroups (% of total pop.)
Mexican
2.2%
Puerto Rican
0.2%
Cuban
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $81,340 ±$1,143
+$12,420 vs. state
Per Capita Income $122,280
Median Family Income $108,392
Poverty Rate 6.7%
-1.7 pp vs. state
Child Poverty Rate 10.8%
Working-Age Poverty Rate
SNAP Recipients 7.9%
Social Security Income
Retirement Income 26.9%
Household Income Distribution
< $10k
3.9%
$10–15k
2.8%
$15–25k
5.8%
$25–35k
6.8%
$35–50k
11.2%
$50–75k
16.1%
$75–100k
12.4%
$100–150k
17.2%
$150–200k
8.9%
$200k+
14.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 445,472
Owner-Occupied 69.0%
Renter-Occupied 31.0%
Vacancy Rate 6.9%
Median Home Value $260,700
+$45,100 vs. state
Median Gross Rent $1,164
Owner Cost Burden (30%+) 16.4%
Renter Cost Burden (30%+) 39.4%
Home Value Distribution
< $50k
3.3%
$50–100k
8.8%
$100–200k
11.8%
$200–300k
22.1%
$300–500k
24.4%
$500k–$1M
14.1%
$1M+
3.6%
Gross Rent Distribution
< $500
3.4%
$500–1k
29.2%
$1–1.5k
43.7%
$1.5–2k
15.1%
$2–2.5k
4.3%
$2.5–3.5k
1.7%
$3.5k+
2.7%
Vehicle Availability
No vehicle
6.6%
1 vehicle
36.6%
2 vehicles
39.3%
3+
17.5%
Housing Type
Single-fam. det.
72.0%
Single-fam. att.
4.5%
2–4 units
1.5%
5–19 units
5.8%
20+ units
6.2%
Mobile home
0.3%
Housing Age
Pre-1940
9.6%
1940–1969
6.6%
1970–1999
16.0%
2000–2009
6.2%
2010+
3.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 94.4%
Bachelor's or Higher 46.9%
+15.0 pp vs. state
Graduate Degree 20.4%
Some College / Associate 18.9%
Less Than High School 1.8%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 65.2%
Unemployment Rate 4.2%
+0.1 pp vs. state
Work from Home 16.3%
Self-Employed 4.7%
Government Workers 10.4%
Private For-Profit 84.7%
Industry
Edu/Health
25.8%
Prof. Services
13.8%
Finance
10.0%
Retail
9.8%
Manufacturing
9.6%
Arts/Entmt.
7.6%
Transportation
5.3%
Construction
4.5%
Public Admin
3.3%
Wholesale
2.8%
Information
2.1%
Agriculture
0.5%
Occupation
Management
49.9%
Sales
20.2%
Food Prep
14.4%
Production
10.4%
Construction
5.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 23.3 min
Drove Alone 73.7%
Carpool 6.2%
Public Transit 1.4%
Work from Home 16.3%
Walked 1.3%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 414,739
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 44.9%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 17.1%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
5.7%
5–9
6.0%
10–14
6.5%
15–19
6.4%
20–24
5.9%
25–34
12.7%
35–44
12.7%
45–54
11.8%
55–64
6.7%
65–74
6.9%
75–84
10.9%
85+
5.4%
Under 18: 22.1% Working age (18–64): 77.9% 65 and over: 18.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 8.1%
Naturalized Citizen 56.3%
Speaks English Less Than Very Well 3.2%
Foreign-Born Origin
Asia
47.5%
Europe
22.7%
Latin America
17.2%
Africa
10.2%

Veterans & Disability

Veteran 6.1%
With a Disability 11.8%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 94.2%
Uninsured 5.8%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 92.4%
Has a Computer 95.6%
Same House 1 Year Ago 88.0%
Moved from Abroad 0.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare St. Louis County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to St. Louis County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
St. Louis city 6,585 11,755
St. Charles County 2,599 4,054
Jefferson County 1,779 2,848
Other flows - South 1,696 2,927
Other flows - Midwest 1,054 1,684
Other flows - West 655 1,095
St. Clair County 626 1,093
Madison County 563 877
Other flows - Northeast 525 841
Franklin County 344 546