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Alton, NH
Full City Profile · New Hampshire · Belknap County County
1.4
/5.0
F
Poor
416
Population
885/sq mi density
$358,200
Home Value
$576,223 Zillow
$623
Median Rent
27.2% income on rent
47°F
Avg Temperature
246 sunny days/yr
187
Violent Crime/100K
637 property/100K
F
Overall
1.4 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
187 violent crimes/100K
D
Education
1.8 / 5.0
10.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-37.4%
665 → 416
over 10 years
Annual Pop. Growth
-4.58%
Compound annual growth rate
Population Over Time
Total population for Alton across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
300
-116 from 2023 (416)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 665 | — | $68,994 | — |
| 2015 | 154 | -76.8% | $41,429 | -40% |
| 2017 | 237 | +53.9% | — | — |
| 2019 | 252 | +6.3% | — | — |
| 2021 | 80 | -68.3% | — | — |
| 2023 | 416 | +420% | — | — |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.