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Saline County, IL
7 cities and towns and 7 ZIP codes in Saline County, Illinois.
Population
23,213
Land area
380sq mi
People per sq mi
61
ZIP codes
7
Cities and towns in Saline County
Saline County at a glance
- Saline County is 73% less dense than Illinois as a whole.
- The median household income is $53,117, 36% below the Illinois median of $83,390.
- A typical owner-occupied home is valued at $94,300 (64% below Illinois) and median rent is $726 a month.
- Its largest cities are Harrisburg (8,372), Eldorado (3,771) and Carrier Mills (1,634).
Local data for Saline County, IL
Counts from official public data
Housing and community stats
Saline County, IL, American Community Survey 2020-2024
Median household income
$53,117
Poverty rate
18.9%
Median home value
$94,300
Prices -1.0% in a year
Median rent
$726/mo
Homeownership
72.5%
Bachelor's or higher
19.6%
Median age
43.8
Average commute
23.1 min
Largest reported origins and ancestries: Irish Americans (3,994), German Americans (3,439), Scottish Americans (671).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.7%
Sep 2026, -1.0 pts in a year
Average annual pay
$49,732
8,189 jobs, 2025
Income per person
$55,721
BEA, 2024
Federal spending
$170M
FY 2026, $7,154 per person
PPP loans
$39.9M
819 loans, 5,219 jobs reported
Campaign donations
$44.6K
Itemized, 2026 cycle
How people get to work
Saline County, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone84.7%
- Carpooled7.9%
- Public transit0.3%
- Walked1.7%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home4.2%
Average one-way commute: 23.1 minutes for people who do not work from home.
Environment and hazard risk
Saline County, IL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: earthquake
Storm events since 1996
780
Most often thunderstorm wind
Flood insurance policies
82
0.8% of homes, county
July high / Jan low
89° / 24°F
47.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone3 historic places
Health statistics
Share of adults in Saline County, IL, CDC PLACES estimates
Obesity
40.3%
U.S. 33.3% +7.0 pts
Diabetes
13.5%
U.S. 12.1% +1.4 pts
Smoking
16.7%
U.S. 12.8% +3.9 pts
Uninsured (18-64)
8.3%
U.S. 11.1% -2.8 pts
Cities, towns and ZIP codes in Saline County
Population shown
Frequently asked questions
- What is the largest city in Saline County, IL?
- Harrisburg is the largest city or town in Saline County, with about 8,372 residents.
- How many ZIP codes are in Saline County?
- Saline County includes 7 ZIP Code Tabulation Areas, including 62917, 62930, 62935, 62946, 62965.
- What is the population of Saline County, IL?
- About 23,213 people live in Saline County, based on American Community Survey 5-year estimates.
- What counties border Saline County?
- Saline County borders Williamson County, Franklin County, Johnson County, Hamilton County, Gallatin County, Pope County, Hardin County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023