Township in Ingham County, Michigan · 29.3 sq mi · 183 people per sq mi
About 5,400 people live in Williamstown township. The typical household earns $114,792, and the median resident is 52.3 years old.
2026 projection
From 5,304 in 2020
Poverty rate 1.51%
Men 56.1 · Women 49.9
2010–2026
5,367
2026 projection
1.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
5,367
2026 projection
1.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 5,367 | +29 | 0.54% |
|---|---|---|---|
| 2025 | 5,338 | +29 | 0.55% |
| 2024 | 5,309 | +11 | 0.21% |
| 2023 | 5,298 | +13 | 0.25% |
| 2022 | 5,285 | -7 | 0.13% |
| 2021 | 5,292 | -12 | 0.23% |
| 2020 | 5,304 | +135 | 2.61% |
| 2019 | 5,169 | -7 | 0.14% |
| 2018 | 5,176 | +25 | 0.49% |
| 2017 | 5,151 | +45 | 0.88% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 53 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 66 residents
59% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 59% | 61% | 58% |
| Never married | 20% | 20% | 20% |
| Divorced | 10% | 10% | 11% |
| Widowed | 11% | 10% | 11% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau