Lake Flat Flag

Lake Flat

County Seat:
No
Area (mi²):
34.431
State:
South Dakota

Lake Flat is located in Pennington County, South Dakota. Lake Flat has a 2025 population of 31 . Lake Flat is currently declining at a rate of -3.13% annually and its population has decreased by -3.13% since the most recent census, which recorded a population of 32 in 2020.

The median age in Lake Flat is 15.1 years: 14.9 years for males, and 25.8 years for females. For every 100 females there are 246.2 males.

31
Total Population
1
Density (mi²)
-1 -3.13%
Growth

Lake Flat Population

Lake Flat Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lake Flat includes 93.33% White, and smaller percentages for and multiracial populations.

Population by Race

White (93.33%)

Two or more races (6.67%)

Race
Population
Percentage (of total)
White4293.33%
Two or more races36.67%

Lake Flat Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

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)