Dempster Flag

Dempster

County:
Hamlin County
County Seat:
No
Area (mi²):
35.948
State:
South Dakota

Dempster is located in Hamlin County, South Dakota. Dempster has a 2025 population of 247 . Dempster is currently growing at a rate of 1.65% annually and its population has increased by 10.76% since the most recent census, which recorded a population of 223 in 2020.

The average household income in Dempster is $100,395 with a poverty rate of 4.65%. The median age in Dempster is 54.5 years: 52.5 years for males, and 64.5 years for females. For every 100 females there are 132.4 males.

247
Total Population
7
Density (mi²)
4 1.65%
Growth

Dempster Population

Dempster Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (100%)

Race
Population
Percentage (of total)
White86100%

Dempster Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Dempster's average per capita income is $46,806. Household income levels show a median of $100,417. The poverty rate stands at 4.65%.

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
Families$128,750$134,481
Married Families$128,750-
Households$100,417$100,395
Non Families-$23,708

$46,806

Average Income

$100,417

Median Household Income

4.65%

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)