COUNTY · 2000 CENSUS

Jefferson County

Missouri · 198,099 residents · 656.261 sq mi

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The short version

Jefferson County has roughly average household income, with a median household income of $46,338. Population has grown 16% since 1990. 12% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value is $93,300.

At a glance

Wealthier

above the US median

US median: $42,589

Mid-age

median age 34.9

US median: 35.2

Less educated

12% 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

198,099

+16%since 1990

from 171,380 in 1990

1990 – 2025

Population density

302 / sq mi

+16%since 1990

from 261 / sq mi in 1990

US average: 242

Median age

34.9

+14%since 1990

from 30.7 in 1990

US average: 35.2

Population, 1990 – 2024

2024229K

Section 02

Income & economy

Median household income

$46,338

+9%inflation adjusted, since 1990

from $32,281 in 1990

US average: $42,589

1990 – 2024

Per capita income

$19,435

+59%since 1990

from $12,226 in 1990

US average: $21,522

Poverty rate

6.8%

−0.7 ptssince 1990

from 7.5% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$93,300

+9%inflation adjusted, since 1990

from $65,100 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$502

−9%inflation adjusted, since 1990

from $418 in 1990

US average: $602

Owner-occupied

83.4%

+2.2 ptssince 1990

from 81.2% in 1990

16.6% rent

Afford Score

2.0

Unchangedsince 1990

from 2.0 in 1990

1990 – 2024

RELATED:See current rent listings in Jefferson County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic98.6%(168,968)

Black0.7%(1,168)

Hispanic / Latino0.6%(1,000)

Asian0.3%(508)

Diversity Score4.9%(8,374)

2000

White, non-Hispanic96.8%(191,753)

Black0.7%(1,340)

Hispanic / Latino1%(2,002)

Asian0.3%(691)

Diversity Score5.1%(10,056)

Diversity Score

+4%since 1990

from 5 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

12.1%

+3.2 ptssince 1990

from 9.0% in 1990

US average: 24.4%

High school or higher

79.4%

+7.7 ptssince 1990

from 71.6% in 1990

US average: 80.3%

Graduate degree

3.7%

+0.8 ptssince 1990

from 2.9% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

22.8 min

−17%since 1990

from 27.6 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 Jefferson County

Head to head

Compare Jefferson County to nearby counties

JEFFERSON COUNTY VS

Monroe County

Income$102,880+122%

Home value$282,100+202%

Population34,840−85%

SEE FULL COMPARISON →

JEFFERSON COUNTY VS

St. Louis County

Income$82,936+79%

Home value$276,800+197%

Population990,911+325%

SEE FULL COMPARISON →

JEFFERSON COUNTY VS

Washington County

Income$56,043+21%

Home value$129,400+39%

Population23,810−90%

SEE FULL COMPARISON →

JEFFERSON COUNTY VS

Franklin County

Income$73,165+58%

Home value$227,600+144%

Population108,090−54%

SEE FULL COMPARISON →

Frequently asked

How many people live in Jefferson County, Missouri?

Jefferson County, Missouri has about 198,099 residents according to the 2000 Census.

What is the median household income in Jefferson County, Missouri?

The typical household in Jefferson County, Missouri earns about $46,338 a year. Half of households make more than that, and half make less.

Is Jefferson County, Missouri expensive?

In Jefferson County, Missouri, the median home is worth about $93,300, and the typical rent is about $502 a month.

How educated are people in Jefferson County, Missouri?

About 12.1% of adults age 25 and over in Jefferson County, Missouri hold a bachelor's degree or higher.

What is the poverty rate in Jefferson County, Missouri?

About 6.8% of people in Jefferson County, Missouri live below the federal poverty line.

Has Jefferson County, Missouri grown since 1990?

Yes, Jefferson County, Missouri has grown since 1990. The population has added about 26,719 residents, a change of about 16 percent over that period.

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

How we source and harmonize this data →

Jefferson County

Population & growth

Income & economy

Housing

Race & ethnicity

Education

Commute & transportation

Work & employment

People & community

Places similar to Jefferson County

Compare Jefferson County to nearby counties

How many people live in Jefferson County, Missouri?

What is the median household income in Jefferson County, Missouri?

Is Jefferson County, Missouri expensive?

How educated are people in Jefferson County, Missouri?

What is the poverty rate in Jefferson County, Missouri?

Has Jefferson County, Missouri grown since 1990?

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