Alton, Illinois Population 2022

25,238
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Alton is a city located in Madison County Illinois. With a 2020 population of 25,238, it is the 89th largest city in Illinois and the 1841st largest city in the United States. Alton is currently declining at a rate of -0.86% annually and its population has decreased by -4.73% since the most recent census, which recorded a population of 26,490 in 2020. Spanning over 17 miles, Alton has a population density of 1,628 people per square mile.

The average household income in Alton is $53,625 with a poverty rate of 25.54%. The median rental costs in recent years comes to $796 per month, and the median house value is $80,400. The median age in Alton is 38.8 years, 35.5 years for males, and 41.5 years for females.

Alton Demographics

According to the most recent ACS, the racial composition of Altonwas:

  • White: 69.89%
  • Black or African American: 24.34%
  • Two or more races: 4.68%
  • Other race: 0.61%
  • Asian: 0.43%
  • Native American: 0.05%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Alton, Illinois is 25,238 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 26,490.

Alton, Illinois Population 2022

Population by Race

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Alton Population by Race

Alton Population Pyramid 2022

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Alton Median Age

38.1


Total

35.4


Male

41.2


Female

Alton Adults

There are 20,061 adults, (4,409 of whom are seniors) in Alton.

Alton Age Dependency

Age Dependency Ratio

28.2

Old Age Dependency Ratio

41.1

Child Dependency Ratio

Alton Sex Ratio

Female

13,801

52.10%

Male

12,689

47.90%

Alton Population by Age

Alton Renter vs Owner Occupied by Household Type

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Alton Household Types

60.0%

Rate of Home Ownership

Alton Households and Families

3

Average Family Size

2.29

Average Household Size

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Alton Households by Type

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Alton Educational Attainment by Sex (over 25)

Alton Educational Attainment by Race

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The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 56.47%.

Alton Educational Attainment by Race

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$31,847

Average Earnings

$38,308

Average Male

$27,793

Average Female

Alton Earnings by Educational Attainment

Alton Language by Age

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Alton Language

97.20% of Alton residents speak only English, while 2.80% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.26% of the population.

Alton Language

Alton Poverty by Race

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25.54%

Overall Poverty Rate

25.13%

Male Poverty Rate

25.93%

Female Poverty Rate

Poverty in Alton

The race most likely to be in poverty in Alton is Native, with 66.67% below the poverty level.

The race least likely to be in poverty in Alton is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.97%. Among those working part-time, it was 28.57%, and for those that did not work, the poverty rate was 36.05%.

Alton Poverty

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Alton Poverty Rate by Education

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Alton Poverty Rate by Employment Status and Sex

Alton Income by Household Type

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Income by Household Type

Alton Marital Status

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Marriage Rates

36.1%

Overall Marriage Rate

38.6%

Male Marriage Rate

33.9%

Female Marriage Rate

Alton Married by Age and Sex

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Alton Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Alton Marital Status by Race

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Alton Marital Status

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1,882

Number of Veterans

Male Veterans

Female Veterans

Alton Veterans by War

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Alton Veterans by Age

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Alton Veterans by Race

Alton Veterans by Education

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12.02%

Veteran Poverty Rate

37.63%

Veteran Disability Rate

Alton Veterans by Education

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61.8%

Labor Force Participation

56.8%

Employment Rate

7.9%

Unemployment Rate

Alton Employment by Age

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Alton Employment by Race

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Alton Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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73.37%

Born in Alton

98.52%

Native Born

1.48%

Foreign Born

0.51%

Non Citizen

0.97%

Naturalized

Place of Birth

98.52% of Alton residents were born in the United States, with 73.37% having been born in Illinois. 0.51% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Alton Place of Birth

Note: 2021 and 2022 data is projected

Alton Population by Year