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, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

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%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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