COUNTY · 2000 CENSUS

St. Charles County

Missouri · 283,883 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 $57,258. Population has grown 33% since 1990. Median home value is $122,600. Poverty is rare here, at 4.0% of residents. Households here earn about 51% more than the Missouri median.

At a glance

Wealthier

above the US median

US median: $42,589

Mid-age

median age 34.3

US median: 35.2

Average education

26% hold a bachelor's degree

US average: 24%

Stable housing

home values roughly flat, inflation adjusted

US median home: $120,530

Section 01

Population & growth

Total population

283,883

+33%since 1990

from 212,907 in 1990

1990 – 2025

Population density

506 / sq mi

+33%since 1990

from 380 / sq mi in 1990

US average: 242

Median age

34.3

+12%since 1990

from 30.7 in 1990

US average: 35.2

Population, 1990 – 2024

2024415K

Section 02

Income & economy

Median household income

$57,258

+8%inflation adjusted, since 1990

from $40,307 in 1990

US average: $42,589

1990 – 2024

Per capita income

$23,592

+54%since 1990

from $15,366 in 1990

US average: $21,522

Poverty rate

4.0%

−0.7 ptssince 1990

from 4.7% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$122,600

+11%inflation adjusted, since 1990

from $83,800 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$624

−2%inflation adjusted, since 1990

from $485 in 1990

US average: $602

Owner-occupied

82.0%

+5.6 ptssince 1990

from 76.4% in 1990

18.0% rent

Afford Score

2.1

+3%since 1990

from 2.1 in 1990

1990 – 2024

RELATED:See current rent listings in St. Charles County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic96.6%(205,761)

Black2.2%(4,667)

Hispanic / Latino1.2%(2,501)

Asian0.7%(1,456)

Diversity Score10.9%(23,125)

2000

White, non-Hispanic93.8%(266,158)

Black2.7%(7,573)

Hispanic / Latino1.5%(4,176)

Asian0.8%(2,397)

Diversity Score12.2%(34,549)

Diversity Score

+12%since 1990

from 11 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

26.3%

+5.1 ptssince 1990

from 21.2% in 1990

US average: 24.4%

High school or higher

89.1%

+5.9 ptssince 1990

from 83.3% in 1990

US average: 80.3%

Graduate degree

7.8%

+2.0 ptssince 1990

from 5.8% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

17.7 min

−28%since 1990

from 24.6 min in 1990

US average: 17.6

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

Head to head

Compare St. Charles County to nearby counties

ST. CHARLES COUNTY VS

St. Louis County

Income$82,936+45%

Home value$276,800+126%

Population990,911+132%

SEE FULL COMPARISON →

ST. CHARLES COUNTY VS

Lincoln County

Income$89,278+56%

Home value$244,300+99%

Population66,676−84%

SEE FULL COMPARISON →

ST. CHARLES COUNTY VS

St. Louis

Income$56,160−2%

Home value$197,500+61%

Population278,144−35%

SEE FULL COMPARISON →

ST. CHARLES COUNTY VS

Warren County

Income$81,209+42%

Home value$260,400+112%

Population39,016−91%

SEE FULL COMPARISON →

Frequently asked

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

St. Charles County, Missouri has about 283,883 residents according to the 2000 Census.

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

The typical household in St. Charles County, Missouri earns about $57,258 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 $122,600, and the typical rent is about $624 a month.

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

About 26.3% 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 4.0% of people in St. Charles County, Missouri live below the federal poverty line.

Has St. Charles County, Missouri grown since 1990?

Yes, St. Charles County, Missouri has grown since 1990. The population has added about 70,976 residents, a change of about 33 percent over that period.

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

How we source and harmonize this data →

St. Charles County

Population & growth

Income & economy

Housing

Race & ethnicity

Education

Commute & transportation

Work & employment

People & community

Places similar to St. Charles County

Compare St. Charles County to nearby counties

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

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

Is St. Charles County, Missouri expensive?

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

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

Has St. Charles County, Missouri grown since 1990?

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