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Atchison County, MO
7 cities and towns and 5 ZIP codes in Atchison County, Missouri.
Population
5,187
Land area
547sq mi
People per sq mi
9
ZIP codes
5
Cities and towns in Atchison County
Atchison County at a glance
- Atchison County is 89% less dense than Missouri as a whole.
- The median household income is $58,750, 17% below the Missouri median of $70,702.
- A typical owner-occupied home is valued at $106,800 (54% below Missouri) and median rent is $631 a month.
- Its largest cities are Tarkio (1,471), Rock Port (1,221) and Fairfax (702).
Local data for Atchison County, MO
Counts from official public data
Housing and community stats
Atchison County, MO, American Community Survey 2020-2024
Median household income
$58,750
Poverty rate
11.6%
Median home value
$106,800
Prices -12.3% in a year
Median rent
$631/mo
Homeownership
76.8%
Bachelor's or higher
22.2%
Median age
46.7
Average commute
20.3 min
Largest reported origins and ancestries: German Americans (1,694), Irish Americans (816), Mexican Americans (74).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.9%
Aug 2026, -0.8 pts in a year
Average annual pay
$47,110
1,706 jobs, 2025
Income per person
$53,911
BEA, 2024
Federal spending
$41.21M
FY 2026, $7,768 per person
PPP loans
$12.47M
396 loans, 1,460 jobs reported
Campaign donations
$13.88K
Itemized, 2026 cycle
How people get to work
Atchison County, MO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.9%
- Carpooled8.5%
- Public transit1.5%
- Walked1.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home6.1%
Average one-way commute: 20.3 minutes for people who do not work from home.
Environment and hazard risk
Atchison County, MO, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
403
Most often hail
Flood insurance policies
7
0.2% of homes, county
July high / Jan low
85° / 15°F
Hazards, floods and storm historyCheck a flood zone7 historic places
Health statistics
Share of adults in Atchison County, MO, CDC PLACES estimates
Obesity
41.6%
U.S. 33.3% +8.3 pts
Diabetes
14.9%
U.S. 12.1% +2.8 pts
Smoking
18.0%
U.S. 12.8% +5.2 pts
Uninsured (18-64)
8.9%
U.S. 11.1% -2.2 pts
Cities, towns and ZIP codes in Atchison County
Population shown
Frequently asked questions
- What is the largest city in Atchison County, MO?
- Tarkio is the largest city or town in Atchison County, with about 1,471 residents.
- How many ZIP codes are in Atchison County?
- Atchison County includes 5 ZIP Code Tabulation Areas, including 64446, 64482, 64491, 64496, 64498.
- What is the population of Atchison County, MO?
- About 5,187 people live in Atchison County, based on American Community Survey 5-year estimates.
- What counties border Atchison County?
- Atchison County borders Nodaway County, Otoe County, NE, Page County, IA, Nemaha County, NE, Fremont County, IA, Holt County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023