Wentworth Flag

Wentworth

County:
Lake County
County Seat:
No
Area (mi²):
34.142
State:
South Dakota

Wentworth is located in Lake County, South Dakota. Wentworth has a 2025 population of 513 . Wentworth is currently declining at a rate of 0% annually and its population has increased by 2.4% since the most recent census, which recorded a population of 501 in 2020.

The average household income in Wentworth is $215,685 with a poverty rate of 4.98%. The median age in Wentworth is 55.2 years: 56.2 years for males, and 55.1 years for females. For every 100 females there are 114.8 males.

513
Total Population
15
Density (mi²)

Wentworth Population

Wentworth Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Wentworth includes 82.82% White, 13.06% Native American, and smaller percentages for and multiracial populations.

Population by Race

White (82.82%)

Native American (13.06%)

Two or more races (4.12%)

Race
Population
Percentage (of total)
White48282.82%
Native American7613.06%
Two or more races244.12%

Wentworth Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Wentworth's average per capita income is $42,206. Household income levels show a median of $105,750. The poverty rate stands at 4.98%.

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$129,125-
Families$106,000$243,415
Households$105,750$215,685
Non Families-$71,171

$42,206

Average Income

$105,750

Median Household Income

4.98%

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)