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Warren County, IA
14 cities and towns and 11 ZIP codes in Warren County, Iowa.
Population
54,409
Land area
570sq mi
People per sq mi
96
ZIP codes
11
Cities and towns in Warren County
Warren County at a glance
- Warren County is 66% denser than Iowa as a whole.
- By population, it ranks 11th among 99 counties in Iowa.
- The median household income is $94,588, 26% above the Iowa median of $75,059.
- A typical owner-occupied home is valued at $269,600 (30% above Iowa) and median rent is $973 a month.
- Its largest cities are Indianola (16,044), Norwalk (14,183) and Carlisle (4,255).
Local data for Warren County, IA
Counts from official public data
Housing and community stats
Warren County, IA, American Community Survey 2020-2024
Median household income
$94,588
Poverty rate
5.1%
Median home value
$269,600
Prices +1.2% in a year
Median rent
$973/mo
Homeownership
82.3%
Bachelor's or higher
33.3%
Median age
38.8
Average commute
24.1 min
Largest reported origins and ancestries: German Americans (16,243), Irish Americans (8,619), Dutch Americans (2,101).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.3%
Aug 2026, +0.1 pts in a year
Average annual pay
$53,162
13,611 jobs, 2025
Income per person
$66,638
BEA, 2024
Federal spending
$346M
FY 2026, $6,595 per person
PPP loans
$65.71M
1,491 loans, 7,508 jobs reported
Campaign donations
$280K
Itemized, 2026 cycle
How people get to work
Warren County, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.0%
- Carpooled5.2%
- Public transit0.0%
- Walked2.5%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home15.3%
Average one-way commute: 24.1 minutes for people who do not work from home.
Environment and hazard risk
Warren County, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
961
Most often hail
Flood insurance policies
28
0.1% of homes, county
July high / Jan low
86° / 12°F
37.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone9 historic places
Health statistics
Share of adults in Warren County, IA, CDC PLACES estimates
Obesity
38.7%
U.S. 33.3% +5.4 pts
Diabetes
9.7%
U.S. 12.1% -2.4 pts
Smoking
12.6%
U.S. 12.8% about the same
Uninsured (18-64)
5.7%
U.S. 11.1% -5.4 pts
Cities, towns and ZIP codes in Warren County
Population shown
Frequently asked questions
- What is the largest city in Warren County, IA?
- Indianola is the largest city or town in Warren County, with about 16,044 residents.
- How many ZIP codes are in Warren County?
- Warren County includes 11 ZIP Code Tabulation Areas, including 50001, 50047, 50118, 50125, 50139.
- What is the population of Warren County, IA?
- About 54,409 people live in Warren County, based on American Community Survey 5-year estimates.
- What counties border Warren County?
- Warren County borders Polk County, Dallas County, Marion County, Madison County, Clarke County, Lucas County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023