City in Mower County, Minnesota · 0.5 sq mi · 351 people per sq mi
168 people live in Waltham. The typical household earns $69,167, and the median resident is 34.7 years old.
2026 projection
From 164 in 2020
Poverty rate 10.44%
Men 34.7 · Women 33.5
2010–2026
168
2026 projection
2.4% 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.
2010–2026
168
2026 projection
2.4% 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 | 168 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 168 | +1 | 0.60% |
| 2024 | 167 | -1 | 0.60% |
| 2023 | 168 | 0 | 0.00% |
| 2022 | 168 | +1 | 0.60% |
| 2021 | 167 | +3 | 1.83% |
| 2020 | 164 | +2 | 1.23% |
| 2019 | 162 | -1 | 0.61% |
| 2018 | 163 | +3 | 1.88% |
| 2017 | 160 | +2 | 1.27% |
Showing 10 of 17 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.
Waltham is growing slower than Mower 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 2 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 10 residents
65% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 65% | 60% | 70% |
| Never married | 19% | 25% | 12% |
| Divorced | 10% | 13% | 7% |
| Widowed | 6% | 0% | 12% |
| Separated | <1% | 2% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources