City in Washington County, Minnesota · 3.5 sq mi · 2,364 people per sq mi
8,197 people live in Mahtomedi. The typical household earns $123,319, and the median resident is 43.2 years old.
2026 projection
From 8,138 in 2020
Poverty rate 3.77%
Men 42.1 · Women 45.4
1940–2026
8,197
2026 projection
0.7% since 2020 (increase)
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.
1940–2026
8,197
2026 projection
0.7% since 2020 (increase)
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 | 8,197 | +8 | 0.10% |
|---|---|---|---|
| 2025 | 8,189 | +15 | 0.18% |
| 2024 | 8,174 | -9 | 0.11% |
| 2023 | 8,183 | +164 | 2.05% |
| 2022 | 8,019 | -74 | 0.91% |
| 2021 | 8,093 | -45 | 0.55% |
| 2020 | 8,138 | -17 | 0.21% |
| 2019 | 8,155 | -7 | 0.09% |
| 2018 | 8,162 | +98 | 1.22% |
| 2017 | 8,064 | -1 | 0.01% |
Showing 10 of 24 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.
Mahtomedi is growing slower than Washington County, Minnesota, 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 81 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 27 residents
58% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 58% | 65% | 53% |
| Never married | 27% | 27% | 27% |
| Divorced | 8% | 5% | 10% |
| Widowed | 7% | 3% | 11% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources