Washtenaw County, Michigan: population and components of change
Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.
| Item | Value | As reported |
|---|---|---|
| County | Washtenaw County | Washtenaw County |
| State | Michigan | Michigan |
| State FIPS code | 26 | 26 |
| County FIPS code | 161 | 161 |
| Census region (code) | 2 | 2 |
| Census division (code) | 3 | 3 |
| Estimates base, April 1, 2020 | 372,258 | 372258 |
| Resident population, July 1, 2020 | 371,849 | 371849 |
| Resident population, July 1, 2021 | 365,041 | 365041 |
| Resident population, July 1, 2022 | 367,947 | 367947 |
| Resident population, July 1, 2023 | 370,398 | 370398 |
| Resident population, July 1, 2024 | 373,875 | 373875 |
| Numeric population change, 2023 to 2024 | 3,477 | 3477 |
| Births, year to July 1, 2024 | 3,150 | 3150 |
| Deaths, year to July 1, 2024 | 2,448 | 2448 |
| Natural change (births minus deaths), year to July 1, 2024 | 702 | 702 |
| International migration, year to July 1, 2024 | 6,476 | 6476 |
| Domestic migration, year to July 1, 2024 | -3,718 | -3718 |
| Residual, year to July 1, 2024 | 17 | 17 |
| Birth rate per 1,000 population, year to July 1, 2024 | 8.4646 | 8.4646359602 |
| Death rate per 1,000 population, year to July 1, 2024 | 6.5782 | 6.5782313748 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 1.8864 | 1.8864045854 |
| International migration rate per 1,000 population, year to July 1, 2024 | 17.4022 | 17.40221666 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -9.9910 | -9.990957619 |
| Group quarters population, July 1, 2024 | 21,129 | 21129 |
Values as reported by the source: county_name=Washtenaw County, state_name=Michigan, state_fips=26, county_fips=161, region=2, division=3, estimates_base_2020=372258, pop_2020=371849, pop_2021=365041, pop_2022=367947, pop_2023=370398, pop_2024=373875, npopchg_2024=3477, births_2024=3150, deaths_2024=2448, naturalchg_2024=702, internationalmig_2024=6476, domesticmig_2024=-3718, residual_2024=17, rbirth_2024=8.4646359602, rdeath_2024=6.5782313748, rnaturalchg_2024=1.8864045854, rinternationalmig_2024=17.40221666, rdomesticmig_2024=-9.990957619, gq_estimates_2024=21129