Vermillion

County:: Clay County
County Seat:: No
Area (mi²):: 4.661
State:: South Dakota

Vermillion is a city located in Clay County, South Dakota. Vermillion has a 2025 population of 12,205. Vermillion is currently growing at a rate of 0.8% annually and its population has increased by 4.14% since the most recent census, which recorded a population of 11,720 in 2020.

The average household income in Vermillion is $63,858 with a poverty rate of 25.1%.The median age in Vermillion is 22.9 years: 23.4 years for males, and 22.6 years for females.

Demographics

The racial composition of Vermillion includes 85.42% White, 4.82% Native American, 3.78% Asian, and smaller percentages for Black or African American, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	10,079	85.42%
Native American	569	4.82%
Asian	446	3.78%
Two or more races	367	3.11%
Black or African American	301	2.55%
Other race	25	0.21%
Native Hawaiian or Pacific Islander	13	0.11%

Vermillion Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Vermillion's average per capita income is $46,034. Household income levels show a median of $52,815. The poverty rate stands at 25.1%.

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	$105,329	-
Families	$95,200	$98,076
Households	$52,815	$63,858
Non Families	$28,750	$38,782

$46,034

Average Income

$52,815

Median Household Income

25.1%

Poverty Rate