CDP in Belknap County, New Hampshire · 0.5 sq mi · 846 people per sq mi
About 400 people live in Alton. The median resident is 58.4 years old.
2026 projection
From 170 in 2020
Poverty rate 3.38%
Men 62.6 · Women 43.4
2011–2026
396
2026 projection
132.9% 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.
2011–2026
396
2026 projection
132.9% 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 | 396 | -7 | 1.74% |
|---|---|---|---|
| 2025 | 403 | -13 | 1.57% |
| 2023 | 416 | +246 | 144.71% |
| 2022 | 170 | +90 | 112.50% |
| 2021 | 80 | -90 | 52.94% |
| 2020 | 170 | -82 | 32.54% |
| 2019 | 252 | +84 | 50.00% |
| 2018 | 168 | -69 | 29.11% |
| 2017 | 237 | +23 | 10.75% |
| 2016 | 214 | +60 | 38.96% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 3 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
52% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 52% | 77% | 39% |
| Never married | 41% | 13% | 56% |
| Divorced | 3% | 0% | 5% |
| Widowed | 3% | 10% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
7 sources, all from the U.S. Census Bureau