Market insights · Michigan
Washtenaw County, MI: growth, migration and housing
Washtenaw County has 370,214 residents, down 0.4% since 2020 (+0.3% in the last year). In 2022–2023, 11,341 households moved in and 13,334 moved out (-1,993 net), while a net $77.6M of income left. Median household income is $89,180, the median home $374,100 and median rent $1,463 a month.
In Michigan: 63rd of 83 counties for 5-year population growth · 82nd of 83 counties for net in-migration (per resident) · 5th of 83 counties for median household income · 2nd of 83 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Washtenaw County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Wayne County, MI | 2,200 | $226.3M |
| Oakland County, MI | 1,017 | $89.5M |
| Livingston County, MI | 462 | $35.0M |
| Cook County, IL | 288 | $31.4M |
| Jackson County, MI | 257 | $15.0M |
| Lenawee County, MI | 241 | $13.2M |
| Monroe County, MI | 230 | $20.9M |
| Ingham County, MI | 229 | $14.8M |
Where leavers went
Top counties by households leaving Washtenaw County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Wayne County, MI | 2,722 | $154.7M |
| Oakland County, MI | 1,066 | $87.2M |
| Livingston County, MI | 594 | $52.1M |
| Cook County, IL | 516 | $38.4M |
| Jackson County, MI | 316 | $21.3M |
| Monroe County, MI | 278 | $18.5M |
| Lenawee County, MI | 274 | $18.0M |
| Macomb County, MI | 206 | $11.3M |
BizyFi in Washtenaw County
5 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Michigan 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.