Alton is a city located in Sioux County Iowa. Alton has a 2024 population of 1,229. Alton is currently declining at a rate of -0.24% annually and its population has decreased by -1.13% since the most recent census, which recorded a population of 1,243 in 2020.
The average household income in Alton is $100,016 with a poverty rate of 2.66%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Alton is 34.2 years, 33.4 years for males, and 36.3 years for females.
According to the most recent ACS, the racial composition of Alton was:
White
Two or more races
Asian
Black or African American
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 524 | 2.45 | 85.1 | 14.9 |
| Married | 352 | 2.95 | 100 | 0 |
| Non Family | 138 | 1.14 | 50.7 | 49.3 |
| Female | 25 | 2.4 | 76 | 24 |
| Male | 9 | 3.11 | 55.6 | 44.4 |
2.89
Average Family Size
2.45
Average Household Size
85.1%
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 black people with a rate of 100%.
The highest rate of bachelors degrees is among black people with a rate of 100%.
All
Male
Female
$45,048
Average Earnings
$54,458
Average Male
$33,088
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
92.54% of Alton residents speak only English, while 7.46% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.08% of the population.
rate
2.66%
Overall Poverty Rate
2.81%
Male Poverty Rate
2.5%
Female Poverty Rate
The race most likely to be in poverty in Alton is White, with 3.05% below the poverty level.
The race least likely to be in poverty in Alton is White, with 3.05% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.53%. Among those working part-time, it was 7.09%, and for those that did not work, the poverty rate was 0%.
Married
Widowed
Divorced
Separated
NeverMarried
68.3%
Overall Marriage Rate
64.8%
Male Marriage Rate
72.0%
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
0%
Veteran Poverty Rate
61.54%
Veteran Disability Rate
LaborForceParticipation
76.7%
Labor Force Participation
74.9%
Employment Rate
2.3%
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
73.27%
Born in Alton
95.01%
Native Born
4.99%
Foreign Born
2.26%
Non Citizen
2.73%
Naturalized
95.01% of Alton residents were born in the United States, with 73.27% having been born in Iowa. 2.26% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 1,211 | -4 | -0.33% |
| 2028 | 1,215 | -3 | -0.25% |
| 2027 | 1,218 | -4 | -0.33% |
| 2026 | 1,222 | -3 | -0.24% |
| 2025 | 1,225 | -4 | -0.33% |
| 2024 | 1,229 | -3 | -0.24% |
| 2023 | 1,232 | -4 | -0.32% |
| 2022 | 1,236 | -4 | -0.32% |
| 2021 | 1,240 | -3 | -0.24% |
| 2020 | 1,243 | -8 | -0.64% |
| 2019 | 1,251 | -6 | -0.48% |
| 2018 | 1,257 | -3 | -0.24% |
| 2017 | 1,260 | -9 | -0.71% |
| 2016 | 1,269 | -1 | -0.08% |
| 2015 | 1,270 | 6 | 0.47% |
| 2014 | 1,264 | 11 | 0.88% |
| 2013 | 1,253 | 7 | 0.56% |
| 2012 | 1,246 | 16 | 1.3% |
| 2011 | 1,230 | 3 | 0.24% |
| 2010 | 1,227 | 0 | 0% |