Seymour Flag

Seymour

County Seat:
No
Area (mi²):
0.093
State:
Illinois

Seymour is a CDP located in Champaign County, Illinois. Seymour has a 2025 population of 278. Seymour is currently declining at a rate of -0.71% annually but its population has increased by 91.72% since the most recent census, which recorded a population of 145 in 2020.

The average household income in Seymour is $90,823 with a poverty rate of 15.32%.The median age in Seymour is 29.3 years: 30.9 years for males, and 24.7 years for females.

278
Total Population
2,989
Density (mi²)
-2 -0.71%
Growth

Seymour Population

Seymour Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seymour includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White333100%

Seymour Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seymour's average per capita income is $75,129. Household income levels show a median of $0. The poverty rate stands at 15.32%.

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
Households-$90,823
Families-$90,351
Married Families--
Non Families--

$75,129

Average Income

$0

Median Household Income

15.32%

Poverty Rate

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)