Frederick Flag

Frederick

County:
Brown County
County Seat:
No
Area (mi²):
34.807
State:
South Dakota

Frederick is located in Brown County, South Dakota. Frederick has a 2025 population of 47 . Frederick is currently declining at a rate of -2.08% annually and its population has decreased by -4.08% since the most recent census, which recorded a population of 49 in 2020.

The average household income in Frederick is $90,671 with a poverty rate of 0%. The median age in Frederick is 31.3 years: 31.1 years for males, and 32.4 years for females. For every 100 females there are 136.7 males.

47
Total Population
1
Density (mi²)
-1 -2.08%
Growth

Frederick Population

Frederick Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (100%)

Race
Population
Percentage (of total)
White71100%

Frederick Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Frederick's average per capita income is $47,083. Household income levels show a median of $66,250. The poverty rate stands at 0%.

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
Households$66,250$90,671
Families$57,188$70,329
Married Families$57,188-
Non Families--

$47,083

Average Income

$66,250

Median Household Income

0%

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)