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COUNTY · 1990 CENSUS

St. Louis County

Missouri · 993,529 residents · 507.995 sq mi
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The short version

St. Louis County is wealthier than most US places, with a median household income of $38,127. Population has held roughly steady since 2000. 29% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $82,600. Poverty is rare here, at 5.6% of residents. Households here earn about 45% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 34.7
US median: 33.0
More educated
29% hold a bachelor's degree
US average: 20%
More affordable
home values down 5%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

993,529
−2%vs 2000
vs 1,016,315 in 2000
1990 – 2025
1,956 / sq mi
−2%vs 2000
vs 2,001 / sq mi in 2000
US average: 221
34.7
−8%vs 2000
vs 37.5 in 2000
US average: 33.0
Population, 19902024
991K998K1.0M1.0M1.0M1990201020202024St. Louis County
2024996K
1990201020202024
Section 02

Income & economy

$38,127
−1%inflation adjusted, since 2000
vs $50,532 in 2000
US average: $30,130
1990 – 2024
$18,625
−33%vs 2000
vs $27,595 in 2000
US average: $14,340
5.6%
−1.3 ptsvs 2000
vs 6.9% in 2000
US average: 13.2%
Section 03

Housing

$82,600
−5%inflation adjusted, since 2000
vs $114,800 in 2000
US average: $93,722
1990 – 2024
$482
+6%inflation adjusted, since 2000
vs $601 in 2000
US average: $450
73.9%
−0.2 ptsvs 2000
vs 74.1% in 2000
26.1% rent
2.2
−5%vs 2000
vs 2.3 in 2000
1990 – 2024
RELATED:See current rent listings in St. Louis County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic76%(772,041)
Black18.9%(192,544)
Hispanic / Latino1.4%(14,577)
Asian2.2%(22,492)
Other0%
Diversity Score46%(467,826)
1990
White, non-Hispanic84.2%(836,603)
Black14%(139,044)
Hispanic / Latino1%(9,491)
Asian1.4%(13,899)
Other0.4%(3,983)
Diversity Score35.6%(353,683)
36
−23%vs 2000
vs 46 in 2000
1990 – 2024
Section 05

Education

29.2%
−6.2 ptsvs 2000
vs 35.4% in 2000
US average: 20.3%
High school or higher
82.3%
−5.6 ptsvs 2000
vs 88.0% in 2000
US average: 75.2%
10.2%
−3.2 ptsvs 2000
vs 13.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

21.1 min
+42%vs 2000
vs 14.9 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

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

St. Louis County, Missouri has about 993,529 residents according to the 1990 Census.

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

The typical household in St. Louis County, Missouri earns about $38,127 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 $82,600, and the typical rent is about $482 a month.

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

About 29.2% 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 5.6% of people in St. Louis County, Missouri live below the federal poverty line.

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

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