Vermillion Flag

Vermillion

County:
Clay County
County Seat:
Yes
Area (mi²):
4.661
State:
South Dakota

Vermillion is a city located in Clay County, South Dakota. Vermillion has a 2026 population of 11,953. It is also the county seat of Clay County. Vermillion is currently growing at a rate of 0.32% annually and its population has increased by 1.94% since the most recent census, which recorded a population of 11,725 in 2020.

The median household income in Vermillion is $50,456 with a poverty rate of 24.36%. The median age in Vermillion is 23.1 years: 23.7 years for males, and 22.7 years for females. For every 100 females there are 100.9 males.

12K
Total Population
2,564
Density (mi²)
38 0.32%
Growth

Vermillion Population

Vermillion Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,953380.32%
202511,915380.32%
202411,877-110-0.92%
202311,987720.6%
202211,915580.49%
202111,8571321.13%
202011,725210.18%
201910,9331821.69%
201810,751-75-0.69%
201710,826730.68%
201610,7531531.44%
201510,600-71-0.67%
201410,671-1-0.01%
201310,672-92-0.85%
201210,764790.74%
201110,6851311.24%
201010,554-17-0.16%
20009,765-269-2.68%
199010,034-102-1.01%
198010,1361,00811.04%
19709,1283,02649.59%
19606,10276514.33%
19505,3372,01360.56%
19403,32447416.63%
19302,85026010.04%
19202,5901,09072.67%
19001,50000%

Median Age

Overall: 23.1 years
Female: 22.7 years
Male: 23.7 years

Vermillion Adults

There are 10,103 adults, (1,136 of whom are seniors) in Vermillion.

Sex Ratio

Female: 5,913 (49.8%)
Male: 5,965 (50.2%)

Demographics

The racial composition of Vermillion includes 82.93% White, 4.55% Native American, 3.76% 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)
White9,85182.93%
Two or more races7666.45%
Native American5404.55%
Asian4473.76%
Black or African American2392.01%
Other race240.2%
Native Hawaiian or Pacific Islander110.09%
Race
Population ↓
Percentage (of total)
Native American1821.53%
White1261.06%
Two or more races880.74%
Other race190.16%
Native Hawaiian or Pacific Islander110.09%
Race
Population ↓
Percentage (of total)
White9,72581.87%
Two or more races6785.71%
Asian4473.76%
Native American3583.01%
Black or African American2392.01%
Other race50.04%

Vermillion Marital Status

Economics and Income Statistics

Vermillion 's average per capita income is $47,044. Household income levels show a median of $50,456. The poverty rate stands at 24.36%.

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$107,569-
Families$99,868$105,960
Households$50,456$65,338
Non Families$29,136$37,830

$47,044

Average Income

$50,456

Median Household Income

24.36%

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)