United States › Missouri › Jefferson County COUNTY · 1990 CENSUS
Jefferson County Missouri · 171,380 residents · 656 sq mi
Time machine
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The short version
Jefferson County is a county of 171,380 people in Missouri. Owners hold 81% of the housing stock. About 9% of adults have finished a four-year degree. Households here earn about 22% more than in Missouri as a whole. The typical home is worth $65,100. The poverty rate is 7.5%, under the national 13.2%.
At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 30.7
US median: 33.0
Less educated
9% hold a bachelor's degree
US average: 20%
More affordable
home values down 8%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 34.9 in 2000
US average: 33.0
Population, 1990 – 2024
166K 183K 200K 218K 235K 1990 2000 2010 2020 2024 Jefferson County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $32,281
−8%inflation adjusted, since 2000
vs $46,338 in 2000
US average: $30,130
vs $19,435 in 2000
US average: $14,340
vs 6.8% in 2000
US average: 13.2%
$65,100
−8%inflation adjusted, since 2000
vs $93,300 in 2000
US average: $93,722
$418
+10%inflation adjusted, since 2000
vs $502 in 2000
US average: $450
vs 83.4% in 2000
18.8% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 96.8%(191,753)
Hispanic / Latino 1%(2,002)
1990
White, non-Hispanic 98.6%(168,968)
Hispanic / Latino 0.6%(1,000)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 6 more hispanic origin groups with data Asian origin
+ 2 more asian origin groups with data Ancestry
+ 39 more ancestry groups with data vs 12.1% in 2000
US average: 20.3%
High school or higher
vs 79.4% in 2000
US average: 75.2%
vs 3.7% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 22.8 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.
Marital status (2024)
Men 15+
Never married 29.7%(27,659)
Women 15+
Never married 24.9%(23,490)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 10.9% in 2013
US average: 8.4%
from 63.2% in 2020
US average: 54.8%
Direct-purchase
from 11.1% in 2020
US average: 13.8%
from 17.1% in 2020
US average: 18.4%
from 11.7% in 2020
US average: 20.9%
VA health care
from 2.3% in 2020
US average: 2.2%
Any private
from 73.3% in 2020
US average: 67.1%
Any public
from 27.9% in 2020
US average: 36.7%
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, 2024
Gulf War (2001 or later) 24.4%(3,160)
Gulf War (1990s) 20.7%(2,676)
Share of the 12,928 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.
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Drill deeper
Places similar to Jefferson County Head to head
Compare Jefferson County to nearby counties JEFFERSON COUNTY VS
Monroe County
Income $102,880 +219%
Home value $282,100 +333%
Population 34,840 −85%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
St. Louis County
Income $82,936 +157%
Home value $276,800 +325%
Population 990,911 +325%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Washington County
Income $56,043 +74%
Home value $129,400 +99%
Population 23,810 −90%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Franklin County
Income $73,165 +127%
Home value $227,600 +250%
Population 108,090 −54%
SEE FULL COMPARISON →
Frequently asked
How many people live in Jefferson County, Missouri? Jefferson County, Missouri has about 171,380 residents according to the 1990 Census.
What is the median household income in Jefferson County, Missouri? The typical household in Jefferson County, Missouri earns about $32,281 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 $65,100, and the typical rent is about $418 a month.
How educated are people in Jefferson County, Missouri? About 9.0% 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 7.5% of people in Jefferson County, Missouri live below the federal poverty line.
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