Interior Flag

Interior

County:
Jackson County
County Seat:
No
Area (mi²):
1.339
State:
South Dakota

Interior is a town located in Jackson County, South Dakota. Interior has a 2026 population of 64. Interior is currently declining at a rate of 0% annually and its population has decreased by -4.48% since the most recent census, which recorded a population of 67 in 2020.

The median age in Interior is 46.1 years: 33.3 years for males, and 46.4 years for females. For every 100 females there are 120.0 males.

64
Total Population
48
Density (mi²)

Interior Population

Interior Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266400%
202564-1-1.54%
202465-1-1.52%
202366-2-2.94%
20226800%
20216811.49%
20206700%
201910310.98%
201810200%
201710200%
201610200%
201510222%
201410011.01%
20139911.02%
20129822.08%
20119622.13%
20109311.09%

Median Age

Overall: 46.1 years
Female: 46.4 years
Male: 33.3 years

Interior Adults

There are 47 adults, (10 of whom are seniors) in Interior.

Sex Ratio

Female: 35 (45.5%)
Male: 42 (54.5%)

Demographics

The racial composition of Interior includes 59.74% Native American, 40.26% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Native American4659.74%
White3140.26%
Race
Population ↓
Percentage (of total)
Native American4659.74%
White3140.26%

Interior Marital Status

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)