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COUNTY

Jersey County

Illinois · 21,160 residents (2025 est.) · 369.555 sq mi
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The short version

Jersey County has roughly average household income, with a median household income of $80,361. Population has held roughly steady since 2000. 23% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $171,900. It ranks in the top 5% of US counties for household income.

At a glance
Average income
near the US median
US median: $82,259
Older
median age 43.7
US median: 38.9
Less educated
23% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
21,274
−2%since 2000
from 21,668 in 2000
1990 – 2025
Population density
58 / sq mi
−5%since 2009
from 61 / sq mi in 2009
US average: 281
Median age
43.7
+17%since 2000
from 37.3 in 2000
US average: 38.9

PEP 2025 EST:21,160 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
20K21K22K22K23K1990201020202024Jersey County
202421K
1990201020202024
Age distribution, 2024
Under 54.6%(985)
US avg: 5.6%
5 to 95.4%(1,144)
US avg: 6%
10 to 145.8%(1,225)
US avg: 6.4%
15 to 196.6%(1,395)
US avg: 6.6%
20 to 247.3%(1,559)
US avg: 6.5%
25 to 3410.5%(2,226)
US avg: 13.7%
35 to 4412%(2,543)
US avg: 13.2%
45 to 5412.1%(2,575)
US avg: 12.2%
55 to 6415.2%(3,231)
US avg: 12.7%
65 to 7412.1%(2,575)
US avg: 10.2%
75 to 846.8%(1,456)
US avg: 5.1%
85 and over1.7%(360)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$80,361
+5%inflation adjusted, since 2000
from $42,065 in 2000
US average: $82,259
1990 – 2024
Per capita income
$38,634
+97%since 2000
from $19,581 in 2000
US average: $44,673
Households earning $100K+
51.9%
+24.5 ptssince 2009
from 27.4% in 2009
US average: 53.3%
Poverty rate
8.8%
+1.7 ptssince 2000
from 7.1% in 2000
US average: 12.5%
Income inequality (Gini)
0.425
+10%since 2010
from 0.385 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade11.5%
US avg: 9.9%
Information9%
US avg: 10.8%
Finance & insurance7.7%
US avg: 5.9%
Wholesale trade7.6%
US avg: 6.9%
Professional, scientific, technical5.5%
US avg: 5.1%
Other services4.6%
US avg: 6.7%
Agriculture, forestry, fishing4.2%
US avg: 1.6%
Public administration3.8%
US avg: 4.8%
Construction3.8%
US avg: 1.2%
Education & health services2.1%
US avg: 0.9%
Transportation & warehousing1.7%
US avg: 2.2%
Arts, entertainment, food1.5%
US avg: 1.9%
Manufacturing0.4%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$171,900
+14%inflation adjusted, since 2000
from $82,600 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$846
+10%inflation adjusted, since 2000
from $424 in 2000
US average: $1,442
Owner-occupied
80.5%
+2.8 ptssince 2000
from 77.7% in 2000
19.5% rent
Vacancy rate
20.0%
+8.6 ptssince 2009
from 11.5% in 2009
US average: 10.0%
Owner cost-burdened
14.5%
−3.3 ptssince 2009
from 17.8% in 2009
US average: 22.9%
Renter cost-burdened
33.7%
−1.8 ptssince 2009
from 35.5% in 2009
US average: 47.4%
Afford Score
2.1
Unchangedsince 2009
from 2.1 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
40
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Jersey County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.6%(21,148)
Black0.5%(113)
Hispanic / Latino0.7%(162)
Asian0.2%(54)
Other0%
2024
White, non-Hispanic94.6%(20,132)
Black0.6%(118)
Hispanic / Latino1.6%(340)
Asian0.7%(143)
Other2.5%(541)
Diversity Score
13
+62%since 2009
from 8 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
25
+68%since 2020
from 15 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.2%(260)
Puerto Rican0.1%(20)
Salvadoran0.1%(11)
Colombian0%(10)
Asian origin
Chinese0.2%(51)
Japanese0.2%(40)
Korean0.1%(20)
Hmong0%(1)
Pacific Islander origin
Samoan0.1%(14)
Tongan0%(1)
Ancestry
German31.6%(6,717)
Irish13.2%(2,813)
English11.7%(2,493)
American11.2%(2,393)
Italian3.1%(650)
Scottish2.7%(566)
Polish1.3%(271)
French0.8%(180)
Czech0.8%(170)
Scotch-Irish0.6%(126)
Dutch0.5%(114)
Russian0.5%(107)
+ 18 more ancestry groups with data
Swedish0.5%(98)
Austrian0.3%(60)
Welsh0.2%(36)
Hungarian0.1%(31)
Ukrainian0.1%(31)
Slovene0.1%(26)
Croatian0.1%(24)
Norwegian0.1%(22)
Danish0.1%(20)
Portuguese0.1%(19)
British0.1%(15)
Greek0%(4)
Kenyan0%(4)
Arab0%(2)
Swiss0%(2)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
22.6%
+10.1 ptssince 2000
from 12.6% in 2000
US average: 35.6%
High school or higher
94.1%
+11.6 ptssince 2000
from 82.5% in 2000
US average: 89.6%
Graduate degree
7.8%
+3.4 ptssince 2000
from 4.4% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.1 min
+19%since 2000
from 22.7 min in 2000
US average: 26.5
Drive alone to work
74.6%
−6.0 ptssince 2009
from 80.6% in 2009
US average: 68.9%
Carpooled to work
9.3%
−2.7 ptssince 2009
from 12.0% in 2009
US average: 8.5%
Public transit
0.3%
Unchangedsince 2009
from 0.3% in 2009
US average: 3.2%
Worked from home
11.7%
+8.4 ptssince 2009
from 3.3% in 2009
US average: 15.0%
Walked to work
3.1%
−0.4 ptssince 2009
from 3.4% in 2009
US average: 2.4%
Biked to work
0.3%
+0.2 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
4.7%
+1.5 ptssince 2009
from 3.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.4%
−2.1 ptssince 2011
from 5.5% in 2011
US average: 5.2%
Labor force participation
60.6%
−2.3 ptssince 2011
from 63.0% in 2011
US average: 63.5%
Self-employed
12.9%
+2.8 ptssince 2009
from 10.1% in 2009
US average: 13.1%
Management & professional
36.8%
−20.7 ptssince 2009
from 57.5% in 2009
US average: 42.5%
Section 08

People & community

Male
48.8%
−0.4 ptssince 2009
from 49.2% in 2009
Female
51.2%
+0.4 ptssince 2009
from 50.8% in 2009
Foreign born
1.0%
−0.3 ptssince 2009
from 1.3% in 2009
US average: 14.1%
Veterans
8.7%
−40.0 ptssince 2009
from 48.7% in 2009
US average: 6.2%
With a disability
13.2%
+3.0 ptssince 2012
from 10.2% in 2012
US average: 13.3%
Uninsured
5.0%
−85.3 ptssince 2013
from 90.3% in 2013
US average: 8.4%
Broadband at home
86.4%
+15.8 ptssince 2017
from 70.6% in 2017
US average: 91.0%
English only at home
98.2%
+0.2 ptssince 2016
from 98.0% in 2016
US average: 77.7%
Spanish at home
0.8%
+0.2 ptssince 2016
from 0.7% in 2016
US average: 13.6%
Marital status
Men 15+
Never married35.1%(3,061)
Married49.9%(4,350)
Widowed3.9%(339)
Divorced11.1%(968)
Women 15+
Never married30.2%(2,781)
Married47.3%(4,354)
Widowed11.4%(1,045)
Divorced11.1%(1,022)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Jersey County

Banks County
Pop 21,273
Morgan County
Pop 22,095
Chaffee County
Pop 20,831
Douglas County
Pop 19,880
Places similar to Jersey County
Head to head

Compare Jersey County to nearby counties

JERSEY COUNTY VS
Calhoun County
Income$93,203+16%
Home value$190,900+11%
Population4,300−80%
SEE FULL COMPARISON →
JERSEY COUNTY VS
Greene County
Income$62,192−23%
Home value$95,200−45%
Population11,313−47%
SEE FULL COMPARISON →
JERSEY COUNTY VS
Macoupin County
Income$70,805−12%
Home value$138,200−20%
Population43,748+107%
SEE FULL COMPARISON →
JERSEY COUNTY VS
St. Charles County
Income$104,692+30%
Home value$320,800+87%
Population426,499+1916%
SEE FULL COMPARISON →
Frequently asked

How many people live in Jersey County, Illinois?

Jersey County, Illinois has about 21,274 residents according to the 2024 American Community Survey.

What is the median household income in Jersey County, Illinois?

The typical household in Jersey County, Illinois earns about $80,361 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 $171,900, and the typical rent is about $846 a month.

How educated are people in Jersey County, Illinois?

About 22.6% 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 8.8% of people in Jersey County, Illinois live below the federal poverty line.

Has Jersey County, Illinois grown since 1990?

Yes, Jersey County, Illinois has grown since 1990. The population has added about 735 residents, a change of about 4 percent over that period.

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Explore from here

6 census tracts
Census Tract 104.01Census Tract 101Census Tract 103Census Tract 102Census Tract 104.02Census Tract 105
8 ZIP codes
ZIP 62052ZIP 62012ZIP 62037ZIP 62028ZIP 62022ZIP 62063ZIP 62031ZIP 62030
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →