CensusEasy
COUNTY · 1990 CENSUS

St. Charles County

Missouri · 212,907 residents · 560.501 sq mi
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The short version

St. Charles County is significantly wealthier than the US average, with a median household income of $40,307. Population has fallen 25% since 2000, a loss of 70,976 residents. Median home value is $83,800. Poverty is rare here, at 4.7% of residents. Households here earn about 53% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 30.7
US median: 33.0
Average education
21% hold a bachelor's degree
US average: 20%
More affordable
home values down 10%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
212,907
−25%vs 2000
vs 283,883 in 2000
1990 – 2025
Population density
380 / sq mi
−25%vs 2000
vs 506 / sq mi in 2000
US average: 221
Median age
30.7
−10%vs 2000
vs 34.3 in 2000
US average: 33.0
Population, 1990 – 2024
193K253K314K374K435K1990201020202024St. Charles County
2024415K
1990201020202024
Section 02

Income & economy

Median household income
$40,307
−7%inflation adjusted, since 2000
vs $57,258 in 2000
US average: $30,130
1990 – 2024
Per capita income
$15,366
−35%vs 2000
vs $23,592 in 2000
US average: $14,340
Poverty rate
4.7%
+0.7 ptsvs 2000
vs 4.0% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$83,800
−10%inflation adjusted, since 2000
vs $122,600 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$485
+2%inflation adjusted, since 2000
vs $624 in 2000
US average: $450
Owner-occupied
76.4%
−5.6 ptsvs 2000
vs 82.0% in 2000
23.6% rent
Afford Score
2.1
−3%vs 2000
vs 2.1 in 2000
1990 – 2024
RELATED:See current rent listings in St. Charles County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.8%(266,158)
Black2.7%(7,573)
Hispanic / Latino1.5%(4,176)
Asian0.8%(2,397)
Other0%
Diversity Score12.2%(34,549)
1990
White, non-Hispanic96.6%(205,761)
Black2.2%(4,667)
Hispanic / Latino1.2%(2,501)
Asian0.7%(1,456)
Other0.5%(1,023)
Diversity Score10.9%(23,125)
Diversity Score
11
−11%vs 2000
vs 12 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.2%
−5.1 ptsvs 2000
vs 26.3% in 2000
US average: 20.3%
High school or higher
83.3%
−5.9 ptsvs 2000
vs 89.1% in 2000
US average: 75.2%
Graduate degree
5.8%
−2.0 ptsvs 2000
vs 7.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
24.6 min
+39%vs 2000
vs 17.7 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.

Drill deeper

Places similar to St. Charles County

Hillsborough County
Pop 433,415
Dakota County
Pop 457,710
Sonoma County
Pop 486,444
Mercer County
Pop 399,289
Places similar to St. Charles County
Head to head

Compare St. Charles County to nearby counties

ST. CHARLES COUNTY VS
St. Louis County
Income$82,936+106%
Home value$276,800+230%
Population990,911+132%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
Lincoln County
Income$89,278+121%
Home value$244,300+192%
Population66,676−84%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
St. Louis
Income$56,160+39%
Home value$197,500+136%
Population278,144−35%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
Warren County
Income$81,209+101%
Home value$260,400+211%
Population39,016−91%
SEE FULL COMPARISON →
Frequently asked

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

St. Charles County, Missouri has about 212,907 residents according to the 1990 Census.

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

The typical household in St. Charles County, Missouri earns about $40,307 a year. Half of households make more than that, and half make less.

Is St. Charles County, Missouri expensive?

In St. Charles County, Missouri, the median home is worth about $83,800, and the typical rent is about $485 a month.

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

About 21.2% of adults age 25 and over in St. Charles County, Missouri hold a bachelor's degree or higher.

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

About 4.7% of people in St. Charles County, Missouri live below the federal poverty line.

Keep going

Explore from here

85 census tracts (top 20 by population)
Census Tract 3120.96Census Tract 3121.93Census Tract 3113.12Census Tract 3120.95Census Tract 3102.01Census Tract 3111.53Census Tract 3121.92Census Tract 3120.03Census Tract 3111.24Census Tract 3119.04Census Tract 3111.22Census Tract 3117.32Census Tract 3111.03Census Tract 3114.22Census Tract 3108.02Census Tract 3119.03Census Tract 3118.02Census Tract 3118.01Census Tract 3111.51Census Tract 3120.94
14 ZIP codes
ZIP 63376ZIP 63366ZIP 63301ZIP 63385ZIP 63368ZIP 63303ZIP 63304ZIP 63367ZIP 63348ZIP 63341ZIP 63332ZIP 63373ZIP 63386ZIP 63365
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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