Altamont township Flag

Altamont township

County:
Deuel County
County Seat:
No
Area (mi²):
36.567
State:
South Dakota

Altamont township is located in Deuel County, South Dakota. Altamont township has a 2026 population of 109. Altamont township is currently declining at a rate of 0% annually and its population has increased by 2.83% since the most recent census, which recorded a population of 106 in 2020.

The median age in Altamont township is 50.6 years: 50.6 years for males, and 44.5 years for females. For every 100 females there are 125.0 males.

109
Total Population
3.0
Density (mi²)

Altamont township Population

Altamont township Population

Year ↓
Population
Growth
Annual Change
202610900%
202510900%
202410910.93%
2023108-1-0.92%
202210932.83%
202110600%
202010600%
20198300%
20188300%
20178322.47%
201681-4-4.71%
20158511.19%
20148400%
20138400%
20128400%
20118400%
20108400%

Median Age

Overall: 50.6 years
Female: 44.5 years
Male: 50.6 years

Altamont township Adults

There are 63 adults, (0 of whom are seniors) in Altamont township.

Sex Ratio

Female: 28 (44.4%)
Male: 35 (55.6%)

Demographics

The racial composition of Altamont township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White63100%
Race
Population ↓
Percentage (of total)
White2539.68%
Race
Population ↓
Percentage (of total)
White3860.32%

Altamont township Marital Status

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)