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Harrison County, IA
12 cities and towns and 9 ZIP codes in Harrison County, Iowa.
Population
14,632
Land area
697sq mi
People per sq mi
21
ZIP codes
9
Cities and towns in Harrison County
Harrison County at a glance
- Harrison County is 63% less dense than Iowa as a whole.
- Households here earn a median of $79,535 a year, 6% more than the Iowa figure of $75,059.
- A typical owner-occupied home is valued at $176,000 (15% below Iowa) and median rent is $849 a month.
- The biggest population centers are Missouri Valley (2,666), Woodbine (1,471) and Logan (1,392).
Local data for Harrison County, IA
Counts from official public data
Housing and community stats
Harrison County, IA, American Community Survey 2020-2024
Median household income
$79,535
Poverty rate
7.1%
Median home value
$176,000
Prices -3.0% in a year
Median rent
$849/mo
Homeownership
77.1%
Bachelor's or higher
22.0%
Median age
42.1
Average commute
26.2 min
Largest reported origins and ancestries: German Americans (4,967), Irish Americans (1,960), Dutch Americans (379).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.7%
Sep 2026, +0.2 pts in a year
Average annual pay
$53,560
4,087 jobs, 2025
Income per person
$61,419
BEA, 2024
Federal spending
$117M
FY 2026, $8,030 per person
PPP loans
$29.6M
1,205 loans, 3,032 jobs reported
Campaign donations
$72.4K
Itemized, 2026 cycle
How people get to work
Harrison County, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone82.1%
- Carpooled4.4%
- Public transit0.5%
- Walked2.5%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home9.6%
Average one-way commute: 26.2 minutes for people who do not work from home.
Environment and hazard risk
Harrison County, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
608
Most often hail
Flood insurance policies
177
2.0% of homes, county
July high / Jan low
86° / 10°F
34.4 inches of rain a year
Hazards, floods and storm historyCheck a flood zone12 historic places
Health statistics
Share of adults in Harrison County, IA, CDC PLACES estimates
Obesity
35.2%
U.S. 33.3% +1.9 pts
Diabetes
12.5%
U.S. 12.1% about the same
Smoking
15.8%
U.S. 12.8% +3.0 pts
Uninsured (18-64)
6.7%
U.S. 11.1% -4.4 pts
Cities, towns and ZIP codes in Harrison County
Population shown
Frequently asked questions
- What is the largest city in Harrison County, IA?
- Missouri Valley is the largest city or town in Harrison County, with about 2,666 residents.
- How many ZIP codes are in Harrison County?
- Harrison County includes 9 ZIP Code Tabulation Areas, including 51545, 51546, 51550, 51555, 51556.
- What is the population of Harrison County, IA?
- About 14,632 people live in Harrison County, based on American Community Survey 5-year estimates.
- What counties border Harrison County?
- Harrison County borders Pottawattamie County, Washington County, NE, Crawford County, Shelby County, Monona County, Burt County, NE.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023