Alton is a city located in South Dakota. Alton has a 2024 population of 266. Alton is currently growing at a rate of 2.31% annually and its population has increased by 9.02% since the most recent census, which recorded a population of 244 in 2020.
The average household income in Alton is $81,968 with a poverty rate of 2.01%. The median age in Alton is 49.8 years: 42.6 years for males, and 51.7 years for females.
According to the most recent ACS, the racial composition of Alton was:
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 57 | 2.61 | 89.5 | 10.5 |
| Married | 45 | 3.04 | 93.3 | 6.7 |
| Non Family | 12 | 0 | 75 | 25 |
| Male | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 |
3.04
Average Family Size
2.61
Average Household Size
89.5%
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 100%.
The highest rate of bachelors degrees is among white people with a rate of 33.66%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of Alton residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
2.01%
Overall Poverty Rate
0%
Male Poverty Rate
4.29%
Female Poverty Rate
The race most likely to be in poverty in Alton is White, with 2.16% below the poverty level.
The race least likely to be in poverty in Alton is White, with 2.16% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 6.38%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 0%.
Married
Widowed
Divorced
Separated
NeverMarried
80.9%
Overall Marriage Rate
76.4%
Male Marriage Rate
85.0%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
0%
Veteran Disability Rate
LaborForceParticipation
45.3%
Labor Force Participation
45.3%
Employment Rate
0%
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
67.79%
Born in Alton
100%
Native Born
0%
Foreign Born
0%
Non Citizen
0%
Naturalized
100% of Alton residents were born in the United States, with 67.79% having been born in South Dakota. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 296 | 6 | 2.07% |
| 2028 | 290 | 6 | 2.11% |
| 2027 | 284 | 6 | 2.16% |
| 2026 | 278 | 6 | 2.21% |
| 2025 | 272 | 6 | 2.26% |
| 2024 | 266 | 6 | 2.31% |
| 2023 | 260 | 6 | 2.36% |
| 2022 | 254 | 6 | 2.42% |
| 2021 | 248 | 4 | 1.64% |
| 2020 | 244 | 7 | 2.95% |
| 2019 | 237 | 1 | 0.42% |
| 2018 | 236 | 2 | 0.85% |
| 2017 | 234 | 0 | 0% |
| 2016 | 234 | 3 | 1.3% |
| 2015 | 231 | 0 | 0% |
| 2014 | 231 | -1 | -0.43% |
| 2013 | 232 | 1 | 0.43% |
| 2012 | 231 | 2 | 0.87% |
| 2011 | 229 | 2 | 0.88% |
| 2010 | 227 | 0 | 0% |