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Greene County, IA
7 cities and towns and 7 ZIP codes in Greene County, Iowa.
Population
8,688
Land area
570sq mi
People per sq mi
15
ZIP codes
7
Cities and towns in Greene County
Greene County at a glance
- Greene County is 73% less dense than Iowa as a whole.
- The median household income is $63,409, 16% below the Iowa median of $75,059.
- A typical owner-occupied home is valued at $155,400 (25% below Iowa) and median rent is $781 a month.
- Its largest cities are Jefferson (4,152), Grand Junction (603) and Scranton (542).
Local data for Greene County, IA
Counts from official public data
Housing and community stats
Greene County, IA, American Community Survey 2020-2024
Median household income
$63,409
Poverty rate
9.8%
Median home value
$155,400
Prices +6.4% in a year
Median rent
$781/mo
Homeownership
76.4%
Bachelor's or higher
21.2%
Median age
44.6
Average commute
23.0 min
Largest reported origins and ancestries: German Americans (2,693), Irish Americans (1,174), Swedish Americans (348).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.0%
Aug 2026, +0.9 pts in a year
Average annual pay
$56,170
3,139 jobs, 2025
Income per person
$61,396
BEA, 2024
Federal spending
$69.41M
FY 2026, $7,914 per person
PPP loans
$30.21M
846 loans, 3,199 jobs reported
Campaign donations
$80.9K
Itemized, 2026 cycle
How people get to work
Greene County, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.8%
- Carpooled13.8%
- Public transit0.0%
- Walked1.1%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.7%
- Worked from home7.6%
Average one-way commute: 23.0 minutes for people who do not work from home.
Environment and hazard risk
Greene County, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
504
Most often hail
Flood insurance policies
2
0.0% of homes, county
July high / Jan low
83° / 9°F
35.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone11 historic places
Health statistics
Share of adults in Greene County, IA, CDC PLACES estimates
Obesity
35.8%
U.S. 33.3% +2.5 pts
Diabetes
13.1%
U.S. 12.1% +1.0 pts
Smoking
16.5%
U.S. 12.8% +3.7 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
Cities, towns and ZIP codes in Greene County
Population shown
Frequently asked questions
- What is the largest city in Greene County, IA?
- Jefferson is the largest city or town in Greene County, with about 4,152 residents.
- How many ZIP codes are in Greene County?
- Greene County includes 7 ZIP Code Tabulation Areas, including 50050, 50064, 50107, 50129, 50217.
- What is the population of Greene County, IA?
- About 8,688 people live in Greene County, based on American Community Survey 5-year estimates.
- What counties border Greene County?
- Greene County borders Dallas County, Webster County, Boone County, Carroll County, Guthrie County, Calhoun County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023