Selby Flag

Selby

County:
Walworth County
County Seat:
Yes
Area (mi²):
0.712
State:
South Dakota

Selby is a city located in Walworth County, South Dakota. Selby has a 2026 population of 604. It is also the county seat of Walworth County. Selby is currently declining at a rate of -0.17% annually and its population has decreased by -0.98% since the most recent census, which recorded a population of 610 in 2020.

The median household income in Selby is $49,205 with a poverty rate of 8.25%. The median age in Selby is 42.7 years: 41.3 years for males, and 52.1 years for females. For every 100 females there are 88.2 males.

604
Total Population
848
Density (mi²)
-1 -0.17%
Growth

Selby Population

Selby Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026604-1-0.17%
2025605-1-0.17%
2024606-2-0.33%
202360800%
202260810.16%
2021607-3-0.49%
2020610-3-0.49%
2019622-6-0.96%
201862800%
2017628-1-0.16%
201662930.48%
2015626-13-2.03%
201463920.31%
201363740.63%
2012633-12-1.86%
201164530.47%
201063620.32%

Median Age

Overall: 42.7 years
Female: 52.1 years
Male: 41.3 years

Selby Adults

There are 558 adults, (209 of whom are seniors) in Selby.

Sex Ratio

Female: 373 (53.1%)
Male: 329 (46.9%)

Demographics

The racial composition of Selby includes 86.89% White, 4.13% Native American, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White61086.89%
Two or more races405.7%
Native American294.13%
Black or African American182.56%
Other race50.71%
Race
Population ↓
Percentage (of total)
White223.13%
Two or more races20.28%
Race
Population ↓
Percentage (of total)
White58883.76%
Two or more races385.41%
Native American294.13%
Black or African American182.56%
Other race50.71%

Selby Marital Status

Economics and Income Statistics

Selby 's average per capita income is $30,714. Household income levels show a median of $49,205. The poverty rate stands at 8.25%.

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$97,679-
Families$89,583$98,914
Households$49,205$73,015
Non Families$37,727$40,904

$30,714

Average Income

$49,205

Median Household Income

8.25%

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)