City in St. Joseph County, Michigan · 5.6 sq mi · 1,414 people per sq mi
7,904 people live in Three Rivers. The typical household earns $49,503, and the median resident is 35 years old.
2026 projection
From 7,973 in 2020
Poverty rate 15.01%
Men 32.1 · Women 37.9
1860–2026
7,904
2026 projection
0.9% 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
7,904
2026 projection
0.9% 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 | 7,904 | -6 | 0.08% |
|---|---|---|---|
| 2025 | 7,910 | -41 | 0.52% |
| 2024 | 7,951 | +9 | 0.11% |
| 2023 | 7,942 | +42 | 0.53% |
| 2022 | 7,900 | -39 | 0.49% |
| 2021 | 7,939 | -34 | 0.43% |
| 2020 | 7,973 | +11 | 0.14% |
| 2019 | 7,962 | +23 | 0.29% |
| 2018 | 7,939 | +29 | 0.37% |
| 2017 | 7,910 | +3 | 0.04% |
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.
Three Rivers has a population change lower than St. Joseph 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 79 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 7 residents
29% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 29% | 30% | 29% |
| Never married | 39% | 48% | 31% |
| Divorced | 23% | 17% | 28% |
| Widowed | 8% | 4% | 11% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources