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Foster County, ND
4 cities and towns and 3 ZIP codes in Foster County, North Dakota.
Population
3,358
Land area
634sq mi
People per sq mi
5
ZIP codes
3
Cities and towns in Foster County
Foster County at a glance
- Foster County is 53% less dense than North Dakota as a whole.
- Households here earn a median of $87,831 a year, 15% more than the North Dakota figure of $76,657.
- A typical owner-occupied home is valued at $167,500 (33% below North Dakota) and median rent is $780 a month.
- The biggest population centers are Carrington (2,168), McHenry (66) and Glenfield (63).
Local data for Foster County, ND
Counts from official public data
Housing and community stats
Foster County, ND, American Community Survey 2020-2024
Median household income
$87,831
Poverty rate
8.8%
Median home value
$167,500
Prices +18.6% in a year
Median rent
$780/mo
Homeownership
79.7%
Bachelor's or higher
28.5%
Median age
43.4
Average commute
12.9 min
Largest reported origins and ancestries: German Americans (1,301), Norwegian Americans (962), Irish Americans (245).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
1.7%
Aug 2026, -0.2 pts in a year
Average annual pay
$57,539
1,487 jobs, 2025
Income per person
$69,847
BEA, 2024
Federal spending
$26.1M
FY 2026, $7,674 per person
PPP loans
$13.4M
459 loans, 1,368 jobs reported
Campaign donations
$9,582
Itemized, 2026 cycle
How people get to work
Foster County, ND, workers 16 and older. American Community Survey 5-year estimates
- Drove alone79.1%
- Carpooled8.9%
- Public transit0.0%
- Walked2.3%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.9%
- Worked from home7.7%
Average one-way commute: 12.9 minutes for people who do not work from home.
Environment and hazard risk
Foster County, ND, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: winter weather
Storm events since 1996
361
Most often hail
Flood insurance policies
2
0.1% of homes, county
July high / Jan low
82° / -1°F
20.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Foster County, ND, CDC PLACES estimates
Obesity
35.7%
U.S. 33.3% +2.4 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
13.3%
U.S. 12.8% +0.5 pts
Uninsured (18-64)
6.6%
U.S. 11.1% -4.5 pts
Cities, towns and ZIP codes in Foster County
Population shown
Frequently asked questions
- What is the largest city in Foster County, ND?
- Carrington is the largest city or town in Foster County, with about 2,168 residents.
- How many ZIP codes are in Foster County?
- Foster County includes 3 ZIP Code Tabulation Areas, including 58421, 58443, 58445.
- What is the population of Foster County, ND?
- About 3,358 people live in Foster County, based on American Community Survey 5-year estimates.
- What counties border Foster County?
- Foster County borders Stutsman County, Wells County, Eddy County, Griggs County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023