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Harrison County, MO
7 cities and towns and 9 ZIP codes in Harrison County, Missouri.
Population
8,190
Land area
723sq mi
People per sq mi
11
ZIP codes
9
Cities and towns in Harrison County
Harrison County at a glance
- Harrison County is 87% less dense than Missouri as a whole.
- The median household income is $54,367, 23% below the Missouri median of $70,702.
- A typical owner-occupied home is valued at $109,500 (52% below Missouri) and median rent is $703 a month.
- Its largest cities are Bethany (3,080), Ridgeway (478) and Eagleville (352).
Local data for Harrison County, MO
Counts from official public data
Housing and community stats
Harrison County, MO, American Community Survey 2020-2024
Median household income
$54,367
Poverty rate
19.6%
Median home value
$109,500
Prices +53.0% in a year
Median rent
$703/mo
Homeownership
71.4%
Bachelor's or higher
15.7%
Median age
41.8
Average commute
22.9 min
Largest reported origins and ancestries: German Americans (1,140), Irish Americans (642), Dutch Americans (250).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.5%
Aug 2026, -0.7 pts in a year
Average annual pay
$42,705
2,526 jobs, 2025
Income per person
$46,803
BEA, 2024
Federal spending
$57.1M
FY 2026, $6,996 per person
PPP loans
$16.9M
789 loans, 2,074 jobs reported
Campaign donations
$79.4K
Itemized, 2026 cycle
How people get to work
Harrison County, MO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone79.2%
- Carpooled6.6%
- Public transit0.2%
- Walked2.6%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.7%
- Worked from home9.7%
Average one-way commute: 22.9 minutes for people who do not work from home.
Environment and hazard risk
Harrison County, MO, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
378
Most often hail
Flood insurance policies
2
0.0% of homes, county
July high / Jan low
87° / 16°F
39.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Harrison County, MO, CDC PLACES estimates
Obesity
39.3%
U.S. 33.3% +6.0 pts
Diabetes
14.7%
U.S. 12.1% +2.6 pts
Smoking
19.7%
U.S. 12.8% +6.9 pts
Uninsured (18-64)
9.9%
U.S. 11.1% -1.2 pts
Cities, towns and ZIP codes in Harrison County
Population shown
Frequently asked questions
- What is the largest city in Harrison County, MO?
- Bethany is the largest city or town in Harrison County, with about 3,080 residents.
- How many ZIP codes are in Harrison County?
- Harrison County includes 9 ZIP Code Tabulation Areas, including 64424, 64426, 64442, 64458, 64467.
- What is the population of Harrison County, MO?
- About 8,190 people live in Harrison County, based on American Community Survey 5-year estimates.
- What counties border Harrison County?
- Harrison County borders Grundy County, Daviess County, Decatur County, IA, Gentry County, Ringgold County, IA, Mercer County, Worth County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023