Frankfort Flag

Frankfort

County:
Spink County
County Seat:
No
Area (mi²):
0.788
State:
South Dakota

Frankfort is a city located in Spink County, South Dakota. Frankfort has a 2025 population of 129 . Frankfort is currently declining at a rate of -1.53% annually and its population has decreased by -5.15% since the most recent census, which recorded a population of 136 in 2020.

The average household income in Frankfort is $82,447 with a poverty rate of 8.45%. The median age in Frankfort is 57.1 years: 58.5 years for males, and 51.6 years for females. For every 100 females there are 105.8 males.

129
Total Population
164
Density (mi²)
-2 -1.53%
Growth

Frankfort Population

Frankfort Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Frankfort includes 99.3% White, and smaller percentages for other race and multiracial populations.

Population by Race

White (99.3%)

Other race (0.7%)

Race
Population
Percentage (of total)
White14199.3%
Other race10.7%

Frankfort Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Frankfort's average per capita income is $40,833. Household income levels show a median of $61,875. The poverty rate stands at 8.45%.

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$75,000-
Families$64,688$71,678
Households$61,875$82,447
Non Families-$93,364

$40,833

Average Income

$61,875

Median Household Income

8.45%

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)