Alton Flag

Alton

County:
Belknap County
County Seat:
No
Area (mi²):
0.468
State:
New Hampshire

Alton is a CDP located in Belknap County, New Hampshire. Alton has a 2025 population of 87 . Alton is currently declining at a rate of -24.35% annually and its population has decreased by -48.82% since the most recent census, which recorded a population of 170 in 2020.

The average household income in Alton is $82,858 with a poverty rate of 2.23%. The median age in Alton is 58.8 years: 62.2 years for males, and 58.6 years for females. For every 100 females there are 71.9 males.

87
Total Population
186
Density (mi²)
-28 -24.35%
Growth

Alton Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)