Alton Population

2010–2026

702

2026 projection

0.1% since 2020 (increase)

02004006008001K201020122014201620182020202220242026

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.
202670200.00%
2025702+10.14%
2024701-40.57%
2023705+10.14%
2022704+30.43%
202170100.00%
2020701-13215.85%
2019833-40.48%
2018837-10.12%
2017838-161.87%

Showing 10 of 17 years.

Alton Demographics

36.5median age

Median age

Female39 yrs
Male29.9 yrs

Adults

576
131 seniors · 23%445 other adults

Sex

Female 43.8% · 326Male 56.2% · 418

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 7 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

$50,208median household income

Median household income

$50,208

Half of households earn more, half earn less

Median earnings

$44,267

Typical yearly pay for a worker 25 or older.

Poverty rate

16.5%

About 1 in 6 residents

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

Alton Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%46%51%
Never married23%35%9%
Divorced12%14%9%
Widowed13%4%23%
Separated4%<1%8%

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