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Market insights · North Dakota

Traill County, ND: growth, migration and housing

Traill County has 7,920 residents, down 0.8% since 2020 (-0.6% in the last year). In 2022–2023, 167 households moved in and 190 moved out (-23 net), while a net $0.1M of income left. Median household income is $87,004, the median home $200,700 and median rent $717 a month.

Population (2025)7,920
5-year growth-0.8%
1-year growth-0.6%
Net households moving in-23
Per 1,000 residents-2.9
Net income moving in-$0.1M
Median household income$87,004
Median home value$200,700
Median rent$717/mo
Rent as share of income10%

In North Dakota: 24th of 53 counties for 5-year population growth · 25th of 47 counties for net in-migration (per resident) · 6th of 53 counties for median household income · 15th of 53 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Traill County, 2022–2023 (IRS).

FromHouseholds (tax returns)Their income (AGI)
Cass County, ND46$4.6M
Grand Forks County, ND42$2.3M

Where leavers went

Top counties by households leaving Traill County, 2022–2023 (IRS).

ToHouseholds (tax returns)Their income (AGI)
Cass County, ND58$3.0M
Grand Forks County, ND51$2.9M

BizyFi in Traill 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.

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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.