Isabel Flag

Isabel

County:
Dewey County
County Seat:
No
Area (mi²):
0.845
State:
South Dakota

Isabel is a town located in Dewey County, South Dakota. Isabel has a 2025 population of 157 . Isabel is currently growing at a rate of 1.29% annually and its population has increased by 7.53% since the most recent census, which recorded a population of 146 in 2020.

The average household income in Isabel is $69,825 with a poverty rate of 9.34%. The median age in Isabel is 38.1 years: 38.3 years for males, and 35.9 years for females. For every 100 females there are 116.7 males.

157
Total Population
186
Density (mi²)
2 1.29%
Growth

Isabel Population

Isabel Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Isabel includes 79.12% White, 20.33% Native American, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (79.12%)

Native American (20.33%)

Black or African American (0.55%)

Race
Population
Percentage (of total)
White14479.12%
Native American3720.33%
Black or African American10.55%

Isabel Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Isabel's average per capita income is $47,917. Household income levels show a median of $70,625. The poverty rate stands at 9.34%.

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$103,125-
Families$84,167$86,113
Households$70,625$69,825
Non Families$51,667$50,108

$47,917

Average Income

$70,625

Median Household Income

9.34%

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)