Frederick Flag

Frederick

County:
Brown County
County Seat:
No
Area (mi²):
1.354
State:
South Dakota

Frederick is a town located in Brown County, South Dakota. Frederick has a 2025 population of 201. Frederick is currently declining at a rate of -0.99% annually and its population has decreased by -5.63% since the most recent census, which recorded a population of 213 in 2020.

The average household income in Frederick is $73,145 with a poverty rate of 12.92%.The median age in Frederick is 52.1 years: 50.6 years for males, and 52.9 years for females.

201
Total Population
148
Density (mi²)
-2 -0.99%
Growth

Frederick Population

Frederick Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Frederick includes 96.07% White, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White17196.07%
Asian52.81%
Two or more races21.12%

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 $42,500. Household income levels show a median of $81,071. The poverty rate stands at 12.92%.

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$92,500-
Families$91,750$81,311
Households$81,071$73,145
Non Families$48,750$53,424

$42,500

Average Income

$81,071

Median Household Income

12.92%

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)