Fort Thompson Flag

Fort Thompson

County:
Buffalo County
County Seat:
No
Area (mi²):
10.377
State:
South Dakota

Fort Thompson is a CDP located in Buffalo County, South Dakota. Fort Thompson has a 2026 population of 1,100. Fort Thompson is currently declining at a rate of -0.99% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Fort Thompson is $47,159 with a poverty rate of 41.62%. The median age in Fort Thompson is 22.8 years: 22.1 years for males, and 25.7 years for females. For every 100 females there are 123.2 males.

1.1K
Total Population
106
Density (mi²)
-11 -0.99%
Growth

Fort Thompson Population

Fort Thompson Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,100-11-0.99%
20251,111-12-1.07%

Median Age

Overall: 22.8 years
Female: 25.7 years
Male: 22.1 years

Fort Thompson Adults

There are 722 adults, (115 of whom are seniors) in Fort Thompson.

Sex Ratio

Female: 514 (44.8%)
Male: 633 (55.2%)

Demographics

The racial composition of Fort Thompson includes 93.11% Native American, 4.27% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Native American1,06893.11%
White494.27%
Two or more races302.62%
Race
Population ↓
Percentage (of total)
Native American70.61%
Race
Population ↓
Percentage (of total)
Native American1,06192.5%
White494.27%
Two or more races302.62%

Fort Thompson Marital Status

Economics and Income Statistics

Fort Thompson 's average per capita income is $36,875. Household income levels show a median of $47,159. The poverty rate stands at 41.62%.

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
Married Families$83,438-
Families$53,958$56,642
Households$47,159$51,472
Non Families-$39,415

$36,875

Average Income

$47,159

Median Household Income

41.62%

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)