Alto Flag

Alto

County:
Roberts County
County Seat:
No
Area (mi²):
34.925
State:
South Dakota

Alto is located in Roberts County, South Dakota. Alto has a 2025 population of 58 . Alto is currently growing at a rate of 5.45% annually and its population has increased by 9.43% since the most recent census, which recorded a population of 53 in 2020.

The average household income in Alto is $61,720 with a poverty rate of 22.22%. The median age in Alto is 66.5 years: 70.1 years for males, and 65.3 years for females. For every 100 females there are 140.0 males.

58
Total Population
2
Density (mi²)
3 5.45%
Growth

Alto Population

Alto Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Alto includes 88.89% White, and smaller percentages for and multiracial populations.

Population by Race

White (88.89%)

Two or more races (11.11%)

Race
Population
Percentage (of total)
White3288.89%
Two or more races411.11%

Alto Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Alto's average per capita income is $27,500. Household income levels show a median of $67,813. The poverty rate stands at 22.22%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Households$67,813$61,720
Families$67,813$61,720
Married Families$67,813-
Non Families--

$27,500

Average Income

$67,813

Median Household Income

22.22%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)