United States › Illinois › South Jacksonville CITY
South Jacksonville Illinois · 3,195 residents (2025 est.) · 2.26 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 3,239 people, South Jacksonville is a city in Illinois. At a median age of 48.7, this is an older place than the country as a whole. That trails the Illinois median by roughly 41%. Home values have risen by half since 2000, reaching $135,800. 24% of adults hold a bachelor's degree or higher. The average commute runs 14 minutes.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 48.7
US median: 38.9
Less educated
24% hold a bachelor's degree
US average: 36%
More affordable
home values down 10%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 3,475 in 2000
3,195 in 2025 (Census Bureau estimate)
1,431 / sq mi
Unchangedsince 2009
from 1,437 / sq mi in 2009
US average: 281
from 43.2 in 2000
US average: 38.9
Population, 1990 – 2024
3K 3K 3K 3K 4K 1990 2000 2010 2020 2024 South Jacksonville Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $49,587
−28%inflation adjusted, since 2000
from $37,548 in 2000
US average: $82,259
from $20,973 in 2000
US average: $44,673
Households earning $100K+
from 25.2% in 2009
US average: 53.3%
from 6.5% in 2000
US average: 12.5%
from 0.418 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 12.8%
Agriculture, forestry, fishing 2.4%
Professional, scientific, technical 1.5%
Arts, entertainment, food 1%
Transportation & warehousing 0.7%
Education & health services 0%
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$135,800
−10%inflation adjusted, since 2000
from $82,700 in 2000
US average: $376,019
$647
−1%inflation adjusted, since 2000
from $358 in 2000
US average: $1,442
from 70.3% in 2000
31.3% rent
from 1.9% in 2009
US average: 10.0%
from 2.11 people in 2009
US average: 2.54
from 14.9% in 2009
US average: 22.9%
from 40.2% in 2009
US average: 47.4%
from 2.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 96.8%(3,364)
Hispanic / Latino 0.7%(26)
2024
White, non-Hispanic 87.1%(2,822)
Hispanic / Latino 3.6%(115)
from 1 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 7 more ancestry groups with data from 26.1% in 2000
US average: 35.6%
High school or higher
from 84.2% in 2000
US average: 89.6%
from 7.7% in 2000
US average: 14.0%
Section 06
Commute & transportation from 12.7 min in 2000
US average: 26.5
from 89.7% in 2009
US average: 68.9%
from 6.2% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 1.4% in 2009
US average: 15.0%
from 0.0% in 2009
US average: 2.4%
from 2.7% in 2009
US average: 0.4%
from 7.8% in 2009
US average: 8.3%
Section 07
Work & employment from 3.7% in 2011
US average: 5.2%
from 70.0% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 80.3% in 2020
US average: 74.6%
from 16.4% in 2009
US average: 13.1%
from 32.2% in 2009
US average: 42.5%
Section 08
People & community from 1.1% in 2009
US average: 14.1%
from 11.7% in 2009
US average: 6.2%
from 13.8% in 2012
US average: 13.3%
from 2.7% in 2013
US average: 8.4%
from 80.9% in 2017
US average: 91.0%
Computer in household
from 90.2% in 2020
US average: 95.5%
from 86.3% in 2020
US average: 87.7%
from 99.7% in 2016
US average: 77.7%
from 0.0% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 2.7% in 2013
US average: 8.4%
from 63.9% in 2020
US average: 54.8%
Direct-purchase
from 15.0% in 2020
US average: 13.8%
from 25.5% in 2020
US average: 18.4%
from 20.5% in 2020
US average: 20.9%
VA health care
from 2.3% in 2020
US average: 2.2%
Any private
from 72.6% in 2020
US average: 67.1%
Any public
from 42.1% 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) 24.6%(64)
Gulf War (1990s) 16.9%(44)
Share of the 260 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 South Jacksonville Head to head
Compare South Jacksonville to nearby cities SOUTH JACKSONVILLE VS
Jacksonville
Income $65,432 +32%
Home value $128,200 −6%
Population 17,752 +456%
SEE FULL COMPARISON →
SOUTH JACKSONVILLE VS
Chatham
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Population 14,579 +356%
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SOUTH JACKSONVILLE VS
Springfield
Income $66,064 +33%
Home value $162,100 +19%
Population 112,989 +3436%
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SOUTH JACKSONVILLE VS
Jerseyville
Income $73,529 +48%
Home value $143,900 +6%
Population 8,409 +163%
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Frequently asked
How many people live in South Jacksonville, Illinois? South Jacksonville, Illinois has about 3,239 residents according to the 2024 American Community Survey.
What is the median household income in South Jacksonville, Illinois? The typical household in South Jacksonville, Illinois earns about $49,587 a year. Half of households make more than that, and half make less.
Is South Jacksonville, Illinois expensive? In South Jacksonville, Illinois, the median home is worth about $135,800, and the typical rent is about $647 a month.
How educated are people in South Jacksonville, Illinois? About 24.3% of adults age 25 and over in South Jacksonville, Illinois hold a bachelor's degree or higher.
What is the poverty rate in South Jacksonville, Illinois? About 9.0% of people in South Jacksonville, Illinois live below the federal poverty line.
Has South Jacksonville, Illinois grown since 1990? Yes, South Jacksonville, Illinois has grown since 1990. The population has added about 52 residents, a change of about 2 percent over that period.
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