United States › Illinois › Jersey County COUNTY · 1990 CENSUS
Jersey County Illinois · 20,539 residents · 370 sq mi
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The short version
Jersey County is a county of 20,539 people in Illinois. About 9% of adults have finished a four-year degree. 76% of homes are owner-occupied. The typical home is worth $45,500. Households here earn about 16% less than in Illinois as a whole. Renters pay $318 a month at the median.
At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 33.2
US median: 33.0
Less educated
9% hold a bachelor's degree
US average: 20%
More affordable
home values down 27%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 37.3 in 2000
US average: 33.0
Population, 1990 – 2024
20K 21K 22K 22K 23K 1990 2000 2010 2020 2024 Jersey County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $27,126
−15%inflation adjusted, since 2000
vs $42,065 in 2000
US average: $30,130
vs $19,581 in 2000
US average: $14,340
vs 7.1% in 2000
US average: 13.2%
$45,500
−27%inflation adjusted, since 2000
vs $82,600 in 2000
US average: $93,722
$318
−1%inflation adjusted, since 2000
vs $424 in 2000
US average: $450
vs 77.7% in 2000
23.9% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 97.6%(21,148)
Hispanic / Latino 0.7%(162)
1990
White, non-Hispanic 99.2%(20,380)
Hispanic / Latino 0.5%(106)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 18 more ancestry groups with data vs 12.6% in 2000
US average: 20.3%
High school or higher
vs 82.5% in 2000
US average: 75.2%
vs 4.4% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 22.7 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.
Marital status (2024)
Men 15+
Never married 35.1%(3,061)
Women 15+
Never married 30.2%(2,781)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 9.7% in 2013
US average: 8.4%
from 64.6% in 2020
US average: 54.8%
Direct-purchase
from 12.6% in 2020
US average: 13.8%
from 20.8% in 2020
US average: 18.4%
from 14.1% in 2020
US average: 20.9%
VA health care
from 2.0% in 2020
US average: 2.2%
Any private
from 75.4% in 2020
US average: 67.1%
Any public
from 33.7% 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) 16.5%(245)
Gulf War (1990s) 25.1%(372)
Share of the 1,485 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 Jersey County Head to head
Compare Jersey County to nearby counties JERSEY COUNTY VS
Calhoun County
Income $93,203 +244%
Home value $190,900 +320%
Population 4,300 −80%
SEE FULL COMPARISON →
JERSEY COUNTY VS
Greene County
Income $62,192 +129%
Home value $95,200 +109%
Population 11,313 −47%
SEE FULL COMPARISON →
JERSEY COUNTY VS
Macoupin County
Income $70,805 +161%
Home value $138,200 +204%
Population 43,748 +107%
SEE FULL COMPARISON →
JERSEY COUNTY VS
St. Charles County
Income $104,692 +286%
Home value $320,800 +605%
Population 426,499 +1916%
SEE FULL COMPARISON →
Frequently asked
How many people live in Jersey County, Illinois? Jersey County, Illinois has about 20,539 residents according to the 1990 Census.
What is the median household income in Jersey County, Illinois? The typical household in Jersey County, Illinois earns about $27,126 a year. Half of households make more than that, and half make less.
Is Jersey County, Illinois expensive? In Jersey County, Illinois, the median home is worth about $45,500, and the typical rent is about $318 a month.
How educated are people in Jersey County, Illinois? About 9.3% of adults age 25 and over in Jersey County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Jersey County, Illinois? About 9.7% of people in Jersey County, Illinois live below the federal poverty line.
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