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COUNTY · 2020 ACS

St. Louis County

Missouri · 1,004,125 residents · 508 sq mi
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With 1,004,125 people, St. Louis County is a county in Missouri. 44% of adults hold a bachelor's degree or higher. Households here earn about 20% more than in Missouri as a whole. The foreign-born share is 8%. Home values have more than doubled since 2000, reaching $206,700. Poverty is uncommon here, at 9.3% of residents.

At a glance
Average income
near the US median
US median: $66,278
Mid-age
median age 40.6
US median: 38.8
More educated
44% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
1,004,125
−1%since 2000
from 1,016,315 in 2000
1990 – 2025
Median age
40.6
+8%since 2000
from 37.5 in 2000
US average: 38.8
Land area
508 sq mi
Population, 1990 – 2024
991K998K1.0M1.0M1.0M19902000201020202024St. Louis County
2024996K
1990201020202024
Age distribution, 2020
Under 55.5%(55,143)
US avg: 5.6%
5 to 96.1%(61,073)
US avg: 6.1%
10 to 146.4%(64,331)
US avg: 6.5%
15 to 196.5%(65,126)
US avg: 6.6%
20 to 246%(60,516)
US avg: 6.7%
25 to 3412.3%(123,738)
US avg: 13.5%
35 to 4412.3%(123,200)
US avg: 12.7%
45 to 5411.9%(119,334)
US avg: 12.3%
55 to 6414%(140,707)
US avg: 13.1%
65 to 7410.9%(109,561)
US avg: 10%
75 to 845.5%(55,616)
US avg: 4.9%
85 and over2.6%(25,780)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$68,661
−10%inflation adjusted, since 2000
from $50,532 in 2000
US average: $66,278
1990 – 2024
Per capita income
$42,682
+55%since 2000
from $27,595 in 2000
US average: $35,364
Households earning $100K+
46.3%
+8.7 ptssince 2009
from 37.6% in 2009
US average: 43.9%
Poverty rate
9.3%
+2.4 ptssince 2000
from 6.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Information10.4%
US avg: 11.1%
Other services9.9%
US avg: 6.6%
Retail trade9.8%
US avg: 10%
Public administration7.7%
US avg: 4.7%
Finance & insurance4.6%
US avg: 5.5%
Wholesale trade4.6%
US avg: 6.7%
Professional, scientific, technical4%
US avg: 4.7%
Transportation & warehousing3.1%
US avg: 2.5%
Arts, entertainment, food2.3%
US avg: 2%
Education & health services0.6%
US avg: 0.8%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$206,700
+20%inflation adjusted, since 2000
from $114,800 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$985
+9%inflation adjusted, since 2000
from $601 in 2000
US average: $1,124
Owner-occupied
67.8%
−6.3 ptssince 2000
from 74.1% in 2000
32.2% rent
Persons per household
2.39 people
Unchangedsince 2009
from 2.40 people in 2009
US average: 2.61
Afford Score
3.0
−1%since 2009
from 3.0 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic76%(772,041)
Black18.9%(192,544)
Hispanic / Latino1.4%(14,577)
Asian2.2%(22,492)
Other0%
2020
White, non-Hispanic62.2%(624,703)
Black24.4%(245,168)
Hispanic / Latino3.7%(37,178)
Asian4.8%(48,552)
Other3.6%(36,314)
Segregation Score
54
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.8%(17,830)
South American0.3%(2,997)
Puerto Rican0.3%(2,505)
Central American0.2%(2,185)
Colombian0.1%(875)
Spaniard0.1%(846)
Cuban0.1%(832)
Guatemalan0.1%(822)
Chilean0.1%(606)
Honduran0.1%(589)
Venezuelan0%(494)
Salvadoran0%(441)
+ 10 more hispanic origin groups with data
Peruvian0%(401)
Dominican0%(396)
Argentine0%(318)
Ecuadorian0%(250)
Nicaraguan0%(152)
Panamanian0%(123)
Bolivian0%(32)
Uruguayan0%(16)
Asian origin
Asian Indian1.7%(16,494)
Chinese1.1%(11,363)
Vietnamese0.4%(3,867)
Filipino0.4%(3,492)
Korean0.3%(2,660)
Pakistani0.2%(1,552)
Taiwanese0.1%(879)
Japanese0.1%(644)
Thai0%(485)
Burmese0%(410)
Nepalese0%(277)
Laotian0%(238)
+ 6 more asian origin groups with data
Pacific Islander origin
Samoan0%(185)
Chamorro0%(77)
Fijian0%(31)
Ancestry
German23.4%(232,780)
Irish13%(129,335)
English8%(80,063)
Italian4.8%(47,632)
American4.7%(46,883)
French2.8%(27,946)
Polish2.4%(23,925)
Scottish1.5%(14,460)
Subsaharan African1.2%(11,863)
Russian1%(9,824)
Dutch0.9%(9,176)
Scotch-Irish0.8%(8,105)
+ 51 more ancestry groups with data
Swedish0.7%(7,274)
Norwegian0.6%(6,274)
British0.6%(5,598)
Welsh0.6%(5,554)
Czech0.5%(5,181)
Hungarian0.4%(4,394)
Greek0.4%(4,337)
Swiss0.4%(4,099)
Austrian0.4%(3,679)
Croatian0.3%(2,878)
French Canadian0.2%(2,104)
Lithuanian0.2%(2,045)
Danish0.2%(2,033)
Lebanese0.2%(1,795)
Ukrainian0.2%(1,788)
Kenyan0.2%(1,694)
Slovak0.2%(1,631)
West Indian0.2%(1,519)
Romanian0.1%(1,491)
Nigerian0.1%(1,401)
Canadian0.1%(1,235)
Belgian0.1%(1,070)
Bulgarian0.1%(1,003)
Turkish0.1%(990)
Jamaican0.1%(954)
Portuguese0.1%(949)
Palestinian0.1%(815)
Syrian0.1%(788)
Iranian0.1%(746)
Finnish0.1%(745)
Serbian0.1%(722)
Armenian0.1%(694)
Arab0.1%(637)
Egyptian0.1%(633)
Brazilian0.1%(580)
Ethiopian0.1%(539)
Ghanaian0%(463)
Israeli0%(430)
Slovene0%(404)
Australian0%(377)
Moroccan0%(338)
Latvian0%(303)
Somali0%(293)
Iraqi0%(235)
Haitian0%(230)
Jordanian0%(199)
Macedonian0%(134)
Barbadian0%(43)
Guyanese0%(24)
Section 05

Education

Bachelor's degree or higher
44.4%
+9.0 ptssince 2000
from 35.4% in 2000
US average: 32.9%
High school or higher
94.0%
+6.0 ptssince 2000
from 88.0% in 2000
US average: 88.5%
Graduate degree
19.3%
+5.9 ptssince 2000
from 13.4% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
24.1 min
+62%since 2000
from 14.9 min in 2000
US average: 26.9
Drive alone to work
80.8%
−2.8 ptssince 2009
from 83.6% in 2009
US average: 75.1%
No vehicle available
6.2%
+0.3 ptssince 2009
from 5.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.5%
−3.3 ptssince 2011
from 7.8% in 2011
US average: 5.4%
Labor force participation
65.3%
−1.7 ptssince 2011
from 67.0% in 2011
US average: 63.4%
Women 20-64 in the labor force
77.7%
US average: 73.3%
Management & professional
46.7%
+5.3 ptssince 2009
from 41.4% in 2009
US average: 39.3%
Section 08

People & community

Male
47.5%
−0.1 ptssince 2009
from 47.6% in 2009
Female
52.5%
+0.1 ptssince 2009
from 52.4% in 2009
Foreign born
7.6%
+1.6 ptssince 2009
from 6.0% in 2009
US average: 13.5%
Uninsured
6.1%
−3.7 ptssince 2013
from 9.8% in 2013
US average: 8.8%
Computer in household
93.0%
US average: 91.9%
Same house as last year
86.5%
US average: 86.2%
Marital status (2024)
Men 15+
Never married36.2%(139,210)
Married52.3%(201,187)
Widowed2.8%(10,838)
Divorced8.6%(33,083)
Women 15+
Never married32.5%(140,529)
Married45.8%(197,638)
Widowed9%(38,955)
Divorced12.7%(54,712)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
6.1%
−3.7 ptssince 2013
from 9.8% in 2013
US average: 8.8%
Employer-based
64.8%
US average: 55.4%
Direct-purchase
13.8%
US average: 13.7%
Medicare
19.0%
US average: 17.6%
Medicaid
10.8%
US average: 20.0%
VA health care
1.9%
US average: 2.3%
Any private
76.8%
US average: 68.1%
Any public
28.5%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)14.4%(7,892)
US avg: 20.6%
Gulf War (1990s)16.8%(9,202)
US avg: 21.4%
Vietnam era37.4%(20,504)
US avg: 35.2%
Korean War9.5%(5,222)
US avg: 7.6%
World War II4.9%(2,712)
US avg: 2.9%

Share of the 54,877 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare St. Louis County to nearby counties

ST. LOUIS COUNTY VS
St. Louis
Income$56,160−18%
Home value$197,500−4%
Population278,144−72%
SEE FULL COMPARISON →
ST. LOUIS COUNTY VS
St. Charles County
Income$104,692+52%
Home value$320,800+55%
Population426,499−57%
SEE FULL COMPARISON →
ST. LOUIS COUNTY VS
Jefferson County
Income$82,851+21%
Home value$237,200+15%
Population233,132−76%
SEE FULL COMPARISON →
ST. LOUIS COUNTY VS
Monroe County
Income$102,880+50%
Home value$282,100+36%
Population34,840−96%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Louis County, Missouri?

St. Louis County, Missouri has about 1,004,125 residents according to the 2020 American Community Survey.

What is the median household income in St. Louis County, Missouri?

The typical household in St. Louis County, Missouri earns about $68,661 a year. Half of households make more than that, and half make less.

Is St. Louis County, Missouri expensive?

In St. Louis County, Missouri, the median home is worth about $206,700, and the typical rent is about $985 a month.

How educated are people in St. Louis County, Missouri?

About 44.4% of adults age 25 and over in St. Louis County, Missouri hold a bachelor's degree or higher.

What is the poverty rate in St. Louis County, Missouri?

About 9.3% of people in St. Louis County, Missouri live below the federal poverty line.

Has St. Louis County, Missouri grown since 1990?

Yes, St. Louis County, Missouri has grown since 1990. The population has added about 10,596 residents, a change of about 1 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →