Market insights · North Dakota
Williams County, ND: growth, migration and housing
Williams County has 41,767 residents, up 1.4% since 2020 (+2.5% in the last year). In 2022–2023, 1,543 households moved in and 1,202 moved out (+341 net), bringing in a net $4.5M of income. Median household income is $85,595, the median home $284,800 and median rent $1,123 a month.
In North Dakota: 12th of 53 counties for 5-year population growth · 1st of 47 counties for net in-migration (per resident) · 9th of 53 counties for median household income · 5th of 53 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Williams County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| McKenzie County, ND | 64 | $4.6M |
| Ward County, ND | 52 | $2.9M |
| Kern County, CA | 34 | $1.7M |
| Richland County, MT | 30 | $1.4M |
| Mountrail County, ND | 30 | $2.5M |
| Maricopa County, AZ | 28 | $1.9M |
| Burleigh County, ND | 24 | $1.4M |
| Stark County, ND | 22 | $1.3M |
Where leavers went
Top counties by households leaving Williams County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Ward County, ND | 59 | $4.2M |
| McKenzie County, ND | 46 | $3.8M |
| Cass County, ND | 39 | $1.7M |
| Stark County, ND | 32 | $2.6M |
| Burleigh County, ND | 26 | $1.9M |
| Mountrail County, ND | 25 | $1.4M |
| Richland County, MT | 20 | $1.0M |
BizyFi in Williams County
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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.