Alton is a city located in Jersey County, Macoupin County, and Madison County Illinois. Alton has a 2024 population of 24,828. Alton is currently declining at a rate of -0.78% annually and its population has decreased by -3.04% since the most recent census, which recorded a population of 25,606 in 2020.
The average household income in Alton is $64,590 with a poverty rate of 24.52%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Alton is 38.3 years, 36.4 years for males, and 40.8 years for females.
According to the most recent ACS, the racial composition of Alton was:
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 10,878 | 2.3 | 57.3 | 42.7 |
| Non Family | 5,227 | 1.27 | 51.5 | 48.5 |
| Married | 3,140 | 3.07 | 76.9 | 23.1 |
| Female | 2,075 | 3.57 | 42.2 | 57.8 |
| Male | 436 | 3.25 | 58 | 42 |
3.12
Average Family Size
2.3
Average Household Size
57.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among 2+ races people with a rate of 95.08%.
The highest rate of bachelors degrees is among asian people with a rate of 43.43%.
All
Male
Female
$36,776
Average Earnings
$40,851
Average Male
$33,978
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.78% of Alton residents speak only English, while 3.22% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.24% of the population.
rate
24.52%
Overall Poverty Rate
24.81%
Male Poverty Rate
24.25%
Female Poverty Rate
The race most likely to be in poverty in Alton is Black, with 42.79% below the poverty level.
The race least likely to be in poverty in Alton is Asian, with 12.39% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.91%. Among those working part-time, it was 29.66%, and for those that did not work, the poverty rate was 34.77%.
Married
Widowed
Divorced
Separated
NeverMarried
34.0%
Overall Marriage Rate
36.9%
Male Marriage Rate
31.4%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
10.07%
Veteran Poverty Rate
42.31%
Veteran Disability Rate
LaborForceParticipation
60.1%
Labor Force Participation
56.1%
Employment Rate
6.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
71.43%
Born in Alton
98.05%
Native Born
1.95%
Foreign Born
0.82%
Non Citizen
1.13%
Naturalized
98.05% of Alton residents were born in the United States, with 71.43% having been born in Illinois. 0.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 23,855 | -195 | -0.81% |
| 2028 | 24,050 | -194 | -0.8% |
| 2027 | 24,244 | -195 | -0.8% |
| 2026 | 24,439 | -194 | -0.79% |
| 2025 | 24,633 | -195 | -0.79% |
| 2024 | 24,828 | -194 | -0.78% |
| 2023 | 25,022 | -195 | -0.77% |
| 2022 | 25,217 | -208 | -0.82% |
| 2021 | 25,425 | -181 | -0.71% |
| 2020 | 25,606 | -656 | -2.5% |
| 2019 | 26,262 | -245 | -0.92% |
| 2018 | 26,507 | -223 | -0.83% |
| 2017 | 26,730 | -145 | -0.54% |
| 2016 | 26,875 | -136 | -0.5% |
| 2015 | 27,011 | -193 | -0.71% |
| 2014 | 27,204 | -186 | -0.68% |
| 2013 | 27,390 | -124 | -0.45% |
| 2012 | 27,514 | -194 | -0.7% |
| 2011 | 27,708 | -193 | -0.69% |
| 2010 | 27,901 | -2,595 | -8.51% |
| 2000 | 30,496 | -2,409 | -7.32% |
| 1990 | 32,905 | -1,266 | -3.7% |
| 1980 | 34,171 | -5,529 | -13.93% |
| 1970 | 39,700 | -3,347 | -7.78% |
| 1960 | 43,047 | 10,497 | 32.25% |
| 1950 | 32,550 | 1,295 | 4.14% |
| 1940 | 31,255 | 1,104 | 3.66% |
| 1930 | 30,151 | 5,469 | 22.16% |
| 1920 | 24,682 | 7,154 | 40.81% |
| 1910 | 17,528 | 3,318 | 23.35% |
| 1900 | 14,210 | 3,916 | 38.04% |
| 1890 | 10,294 | 1,319 | 14.7% |
| 1880 | 8,975 | 310 | 3.58% |
| 1870 | 8,665 | 2,333 | 36.84% |
| 1860 | 6,332 | 2,747 | 76.62% |
| 1850 | 3,585 | 0 | 0% |