Market insights · North Dakota
Foster County, ND: growth, migration and housing
Foster County has 3,212 residents, down 5.1% since 2020 (-1.9% in the last year). In 2022–2023, 50 households moved in and 72 moved out (-22 net), while a net $0.1M of income left. Median household income is $87,831, the median home $167,500 and median rent $780 a month.
In North Dakota: 48th of 53 counties for 5-year population growth · 40th of 47 counties for net in-migration (per resident) · 5th of 53 counties for median household income · 24th of 53 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Foster County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Foster County (it suppresses flows of fewer than 20 households).
Where leavers went
Top counties by households leaving Foster County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Foster County (it suppresses flows of fewer than 20 households).
BizyFi in Foster County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse North Dakota companies.
← All North Dakota counties · National rankings
Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.