Gayville

County:: Yankton County
County Seat:: No
Area (mi²):: 0.205
State:: South Dakota

Gayville is a town located in Yankton County, South Dakota. Gayville has a 2025 population of 376. Gayville is currently declining at a rate of -0.27% annually and its population has decreased by -1.31% since the most recent census, which recorded a population of 381 in 2020.

The average household income in Gayville is $93,022 with a poverty rate of 2.38%.The median age in Gayville is 46.3 years: 43.9 years for males, and 46.5 years for females.

Demographics

The racial composition of Gayville includes 88.62% White, 6.35% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	335	88.62%
Other race	24	6.35%
Two or more races	16	4.23%
Native American	3	0.79%

Gayville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Gayville's average per capita income is $47,083. Household income levels show a median of $85,000. The poverty rate stands at 2.38%.

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	$94,688	-
Families	$89,241	$111,239
Households	$85,000	$93,022
Non Families	$41,094	$53,810

$47,083

Average Income

$85,000

Median Household Income

2.38%

Poverty Rate