City in Wayne County, Michigan · 2.2 sq mi · 4,122 people per sq mi
9,118 people live in Plymouth. The typical household earns $112,145, and the median resident is 44.5 years old.
2026 projection
From 9,370 in 2020
Poverty rate 3.17%
Men 43.9 · Women 45.7
1860–2026
9,118
2026 projection
2.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1860–2026
9,118
2026 projection
2.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 9,118 | -46 | 0.50% |
|---|---|---|---|
| 2025 | 9,164 | +10 | 0.11% |
| 2024 | 9,154 | -14 | 0.15% |
| 2023 | 9,168 | -11 | 0.12% |
| 2022 | 9,179 | -80 | 0.86% |
| 2021 | 9,259 | -111 | 1.18% |
| 2020 | 9,370 | +14 | 0.15% |
| 2019 | 9,356 | -3 | 0.03% |
| 2018 | 9,359 | +40 | 0.43% |
| 2017 | 9,319 | +49 | 0.53% |
Showing 10 of 32 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Plymouth has a population change lower than Wayne County, Michigan, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 92 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 32 residents
49% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 49% | 50% | 48% |
| Never married | 33% | 34% | 32% |
| Divorced | 11% | 12% | 10% |
| Widowed | 7% | 4% | 10% |
| Separated | <1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources