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Greene County, IL
9 cities and towns and 10 ZIP codes in Greene County, Illinois.
Population
11,683
Land area
543sq mi
People per sq mi
22
ZIP codes
10
Cities and towns in Greene County
Greene County at a glance
- Greene County is 91% less dense than Illinois as a whole.
- Households here earn a median of $62,192 a year, 25% less than the Illinois figure of $83,390.
- A typical owner-occupied home is valued at $95,200 (64% below Illinois) and median rent is $754 a month.
- The biggest population centers are Carrollton (2,479), White Hall (2,257) and Roodhouse (1,544).
Local data for Greene County, IL
Counts from official public data
Housing and community stats
Greene County, IL, American Community Survey 2020-2024
Median household income
$62,192
Poverty rate
14.3%
Median home value
$95,200
Prices -10.7% in a year
Median rent
$754/mo
Homeownership
78.2%
Bachelor's or higher
19.0%
Median age
43.4
Average commute
29.0 min
Largest reported origins and ancestries: German Americans (2,898), Irish Americans (1,434), Italian Americans (214).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.1%
Aug 2026, -0.8 pts in a year
Average annual pay
$43,064
2,255 jobs, 2025
Income per person
$54,758
BEA, 2024
Federal spending
$74.4M
FY 2026, $6,210 per person
PPP loans
$18.6M
854 loans, 2,146 jobs reported
Campaign donations
$20K
Itemized, 2026 cycle
How people get to work
Greene County, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.0%
- Carpooled12.0%
- Public transit0.1%
- Walked0.8%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.1%
- Worked from home10.0%
Average one-way commute: 29.0 minutes for people who do not work from home.
Environment and hazard risk
Greene County, IL, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
260
Most often thunderstorm wind
Flood insurance policies
10
0.2% of homes, county
July high / Jan low
86° / 18°F
39.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone6 historic places
Health statistics
Share of adults in Greene County, IL, CDC PLACES estimates
Obesity
40.2%
U.S. 33.3% +6.9 pts
Diabetes
13.2%
U.S. 12.1% +1.1 pts
Smoking
17.2%
U.S. 12.8% +4.4 pts
Uninsured (18-64)
8.1%
U.S. 11.1% -3.0 pts
Cities, towns and ZIP codes in Greene County
Population shown
Frequently asked questions
- What is the largest city in Greene County, IL?
- Carrollton is the largest city or town in Greene County, with about 2,479 residents.
- How many ZIP codes are in Greene County?
- Greene County includes 10 ZIP Code Tabulation Areas, including 62016, 62027, 62044, 62050, 62054.
- What is the population of Greene County, IL?
- About 11,683 people live in Greene County, based on American Community Survey 5-year estimates.
- What counties border Greene County?
- Greene County borders Macoupin County, Morgan County, Jersey County, Pike County, Scott County, Calhoun County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023