Alton Population

2010–2026

119

2026 projection

0% since 2020 (no change)

020406080100120201020122014201620182020202220242026

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.

Population by year

Population estimates for Alton. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026119-10.83%
2025120+32.56%
2024117-10.85%
202311800.00%
202211800.00%
2021118-10.84%
2020119-10.83%
2019120+10.84%
201811900.00%
2017119+21.71%

Showing 10 of 17 years.

Alton Demographics

41.5median age

Median age

Female21.5 yrs
Male41.5 yrs

Adults

193
39 seniors · 20%154 other adults

Sex

Female 36.9% · 96Male 63.1% · 164

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

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

Alton Income

$71,250median household income

Median household income

$71,250

Half of households earn more, half earn less

Poverty rate

2.7%

About 1 in 37 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Alton Marital Status

38% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married38%26%71%
Never married58%73%15%
Divorced1%1%0%
Widowed4%0%14%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201