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Harper County, OK
5 cities and towns and 3 ZIP codes in Harper County, Oklahoma.
Population
3,203
Land area
1,039sq mi
People per sq mi
3
ZIP codes
3
Cities and towns in Harper County
Harper County at a glance
- Harper County is 95% less dense than Oklahoma as a whole.
- The median household income is $64,053, close to the Oklahoma median.
- A typical owner-occupied home is valued at $99,200 (50% below Oklahoma) and median rent is $828 a month.
- Its largest cities are Buffalo (1,092), Laverne (904) and Rosston (58).
Local data for Harper County, OK
Counts from official public data
Housing and community stats
Harper County, OK, American Community Survey 2020-2024
Median household income
$64,053
Poverty rate
13.1%
Median home value
$99,200
Median rent
$828/mo
Homeownership
83.6%
Bachelor's or higher
29.3%
Median age
40.9
Average commute
19.4 min
Largest reported origins and ancestries: Mexican Americans (661), German Americans (533), Irish Americans (286).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.6%
Sep 2026, +0.4 pts in a year
Average annual pay
$49,377
1,094 jobs, 2025
Income per person
$73,644
BEA, 2024
Federal spending
$43.4M
FY 2026, $13,251 per person
PPP loans
$9.5M
521 loans, 1,013 jobs reported
Campaign donations
$21.6K
Itemized, 2026 cycle
How people get to work
Harper County, OK, workers 16 and older. American Community Survey 5-year estimates
- Drove alone88.3%
- Carpooled8.1%
- Public transit0.0%
- Walked0.2%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other2.0%
- Worked from home1.3%
Average one-way commute: 19.4 minutes for people who do not work from home.
Environment and hazard risk
Harper County, OK, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
702
Most often hail
Flood insurance policies
1
0.1% of homes, county
July high / Jan low
96° / 22°F
22.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone12 historic places
Health statistics
Share of adults in Harper County, OK, CDC PLACES estimates
Obesity
39.4%
U.S. 33.3% +6.1 pts
Diabetes
14.0%
U.S. 12.1% +1.9 pts
Smoking
16.2%
U.S. 12.8% +3.4 pts
Uninsured (18-64)
13.8%
U.S. 11.1% +2.7 pts
Cities, towns and ZIP codes in Harper County
Population shown
Frequently asked questions
- What is the largest city in Harper County, OK?
- Buffalo is the largest city or town in Harper County, with about 1,092 residents.
- How many ZIP codes are in Harper County?
- Harper County includes 3 ZIP Code Tabulation Areas, including 73834, 73848, 73855.
- What is the population of Harper County, OK?
- About 3,203 people live in Harper County, based on American Community Survey 5-year estimates.
- What counties border Harper County?
- Harper County borders Woodward County, Woods County, Beaver County, Ellis County, Clark County, KS, Comanche County, KS.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023