St. Louis County, Missouri Demographics 2026

Name: St. Louis County, Missouri Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

St. Louis County, Missouri has a population of 995,569, the 1st most populous county in Missouri. The median household income is $82,936 and the median home value is $276,800. The poverty rate is 9.8%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

St. Louis County Quick Facts

Population 995,569

Median Household Income $82,936

Median Home Value $276,800

Poverty Rate 9.8%

Unemployment Rate 4.3%

Median Age 40.3 years

Homeownership Rate 69.2%

Affordability Ratio 3.3x

Bachelor's Degree+ 47.4%

High School Graduation 94.5%

Cities/Places 99

Population 995,569 1st of 115

Median Income $82,936 17% higher than state

Poverty Rate 9.8%

Unemployment 4.3%

How St. Louis County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	996,618	995,569	-0.1%
Median household income	$81,340	$82,936	+2.0%
Median home value	$260,700	$276,800	+6.2%

Median Household Income

St. Louis

$82,936

$70,702

National

$80,734

Median Home Value

St. Louis

$276,800

$230,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 12.3%

$25K-$50K 17.3%

$50K-$100K 28.5%

$100K+ 41.9%

Detailed income brackets

Under $10K

4.0%

$10K-$15K

2.9%

$15K-$20K

2.5%

$20K-$25K

3.0%

$25K-$30K

3.2%

$30K-$35K

3.4%

$35K-$40K

3.6%

$40K-$45K

3.8%

$45K-$50K

3.3%

$50K-$60K

6.9%

$60K-$75K

9.3%

$75K-$100K

12.3%

$100K-$125K

10.0%

$125K-$150K

7.3%

$150K-$200K

9.2%

$200K+

15.5%

Employment

4.3% Unemployment Rate State: 4.0%|National: 5.2%

65.0% Labor Force Participation

Housing Overview

Owner 69.2%

Renter 30.8%

Affordability Index Affordable

3.3x home value to income ratio

Median gross rent $1,209/mo 17.5% of median household income annually

People & Demographics

Age Distribution

Under 18

22.0%

18-34

21.1%

35-54

24.6%

55-74

24.4%

75+

8.0%

Race & Ethnicity

Diversity Index

High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 40 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in St. Louis County

City	Population	Median Income	Poverty	Home Value
Florissant	51,773	$65,318	10.1%	$148,800
Chesterfield	49,574	$133,037	3.9%	$472,500
Oakville	35,333	$106,362	6.4%	$318,600
Wildwood	35,133	$161,060	2.2%	$495,800
University City	34,685	$80,694	14.5%	$306,700
Ballwin	31,279	$124,626	4.8%	$377,100
Mehlville	29,805	$67,071	7.8%	$218,400
Kirkwood	29,363	$121,270	5.3%	$451,400
Maryland Heights	27,880	$86,436	4.7%	$227,000
Hazelwood	25,114	$55,908	15.9%	$167,400
Webster Groves	23,712	$115,227	4.2%	$387,600
Old Jamestown	20,651	$99,521	7.4%	$236,100
Affton	19,052	$79,539	6.7%	$212,400
Creve Coeur	18,643	$127,188	6.1%	$614,000
Concord	18,368	$89,038	3.9%	$303,600
Ferguson	18,213	$47,524	24.2%	$109,900
Manchester	18,160	$97,801	6.4%	$323,100
Spanish Lake	17,873	$55,920	14.8%	$135,600
Clayton	17,380	$123,000	8.0%	$830,000
Lemay	16,228	$60,399	14.7%	$152,200
Overland	15,695	$61,773	9.7%	$131,900
Eureka	13,081	$108,394	7.9%	$379,200
Jennings	12,918	$38,984	25.2%	$68,800
St. Ann	12,811	$52,323	13.0%	$126,600
Crestwood	12,295	$107,169	5.5%	$319,600
Town and Country	11,607	$232,534	1.7%	$928,500
Bridgeton	11,369	$72,005	11.5%	$237,700
Bellefontaine Neighbors	10,498	$49,170	21.4%	$99,700
Ellisville	10,002	$113,309	4.6%	$366,600
Des Peres	9,170	$224,327	2.0%	$609,200
Richmond Heights	9,153	$94,460	5.5%	$358,700
Sunset Hills	9,112	$138,144	3.7%	$523,800
Ladue	8,940	$250,000+	1.1%	$1,056,300
Olivette	8,645	$111,660	4.3%	$460,800
Maplewood	8,156	$65,125	8.7%	$237,000
Brentwood	8,144	$99,719	5.1%	$299,700
Berkeley	8,123	$44,265	35.1%	$82,300
Pacific	7,475	$62,860	5.5%	$249,300
Sappington	7,367	$77,650	3.9%	$297,600
Valley Park	6,795	$67,898	9.8%	$251,000
Black Jack	6,589	$78,331	5.0%	$193,000
St. John	6,527	$53,755	15.4%	$106,300
Shrewsbury	6,316	$80,757	10.0%	$269,800
Glendale	6,114	$170,700	2.0%	$494,000
Glasgow Village	5,504	$29,530	46.7%	$69,000
Dellwood	4,847	$72,540	21.7%	$83,700
Rock Hill	4,693	$95,372	5.2%	$278,700
Breckenridge Hills	4,402	$40,958	25.9%	$96,100
Normandy	4,239	$29,379	36.9%	$87,300
Fenton	4,088	$101,000	3.5%	$374,500
Woodson Terrace	3,908	$47,417	26.9%	$104,000
Frontenac	3,701	$233,425	2.0%	$979,800
Northwoods	3,623	$45,330	24.8%	$76,000
Moline Acres	2,843	$55,132	18.9%	$90,000
Riverview	2,731	$48,482	24.9%	$72,700
Pine Lawn	2,716	$24,837	42.6%	$66,800
Green Park	2,690	$79,141	7.9%	$238,800
Clarkson Valley	2,584	$247,000	3.0%	$867,000
Pagedale	2,531	$31,250	26.1%	$75,200
Bel-Ridge	2,432	$38,049	17.7%	$90,700
Warson Woods	2,393	$206,979	1.3%	$612,800
Castle Point	2,340	$37,679	34.1%	$62,600
Hanley Hills	2,178	$52,828	33.9%	$73,300
Marlborough	2,157	$50,300	4.6%	$191,600
Vinita Park	2,042	$53,995	20.8%	$99,300
Winchester	1,939	$87,917	4.5%	$216,500
Wellston	1,628	$44,957	35.4%	N/A
Charlack	1,596	$54,792	17.0%	$119,000
Oakland	1,562	$114,861	6.4%	$410,700
Bel-Nor	1,556	$110,667	5.9%	$218,000
Calverton Park	1,546	$68,021	21.0%	$128,400
St. George	1,458	$68,091	7.5%	$161,100
Cool Valley	1,411	$53,560	28.8%	$102,800
Lakeshire	1,396	$62,115	9.9%	$258,700
Flordell Hills	1,195	$36,410	41.1%	$51,800
Pasadena Hills	1,190	$70,341	4.2%	$252,800
Velda City	1,158	$37,105	21.6%	$49,500
Grantwood Village	1,058	$153,947	1.4%	$535,300
Edmundson	975	$49,213	28.1%	$92,900
Hillsdale	873	$37,583	27.3%	$52,700
Velda Village Hills	858	$45,000	19.4%	$51,200
Country Club Hills	854	$47,519	10.4%	$49,200
Norwood Court	797	$42,882	13.7%	$87,000
Greendale	794	$56,500	40.8%	$115,400
Twin Oaks	734	$120,151	2.7%	$298,800
Pasadena Park	710	$91,964	13.5%	$170,100
Bella Villa	691	$59,583	9.4%	$161,800
Sycamore Hills	672	$85,962	14.1%	$137,500
Crystal Lake Park	553	$159,554	1.1%	$627,600
Wilbur Park	491	$91,667	11.2%	$204,900
Beverly Hills	488	$47,381	14.1%	$70,900
Huntleigh	366	$250,000+	1.6%	$2,000,000+
Westwood	338	$237,500	0.6%	$1,017,900
Kinloch	322	$44,688	33.9%	$84,800
Uplands Park	322	$50,250	13.7%	$85,200
Bellerive Acres	288	$138,438	1.4%	$329,300
Glen Echo Park	101	$67,500	7.9%	$153,100
Country Life Acres	73	$250,000+	13.7%	$1,625,000
Champ	6	N/A	0.0%	N/A

Explore Missouri Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

St. Louis County is located in Missouri with a total population of 995,569. It is the 1st most populous county out of 115 in Missouri. The county encompasses 99 Census-designated places.

Age Demographics

The median age in St. Louis County is 40.3 years. This is 3% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in St. Louis County is $82,936. This is 17% higher than the state median of $70,702. It is also 3% higher than the national median of $80,734. The poverty rate stands at 9.8%. This is 22% lower than the state poverty rate of 12.6%. The unemployment rate is 4.3%. This is 8% higher than the state rate of 4.0%. The median home value is $276,800. Housing costs are 20% higher than the state median of $230,300. The home-value-to-income ratio is 3.3x. 69.2% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 68.1%.

Race & Ethnicity

The largest racial or ethnic group in St. Louis County is White (non-Hispanic), making up 61.4% of the population. Black or African American residents account for 24.0%. The Black or African American population is significantly higher than the state average (24.0% vs 10.9%). The Asian population is significantly higher than the state average (4.9% vs 2.1%).

Education

47.4% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Louis County in the top 10% of all counties in the state for educational attainment. This is 46% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.5%. Notably, 20.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for St. Louis County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Missouri and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of St. Louis County, Missouri?

St. Louis County has a population of 995,569, making it the 1st most populous county in Missouri.

What is the median income in St. Louis County?

The median household income in St. Louis County is $82,936 with a poverty rate of 9.8%.

How many cities are in St. Louis County, Missouri?

St. Louis County contains 99 Census-designated places.