Vandalia Flag

Vandalia

County:
Fayette County
County Seat:
Yes
Area (mi²):
35.083
State:
Illinois

Vandalia is located in Fayette County, Illinois. Vandalia has a 2025 population of 6,200 . It is also the county seat of Fayette County . Vandalia is currently declining at a rate of -0.29% annually and its population has decreased by -2.1% since the most recent census, which recorded a population of 6,333 in 2020.

The average household income in Vandalia is $60,982 with a poverty rate of 20.51%. The median age in Vandalia is 44.1 years: 39.4 years for males, and 46.5 years for females. For every 100 females there are 99.1 males.

6.2K
Total Population
177
Density (mi²)
-18 -0.29%
Growth

Vandalia Population

Vandalia Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Vandalia includes 87.62% White, 3.87% Black or African American, and smaller percentages for Native American, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (87.62%)

Two or more races (6.54%)

Black or African American (3.87%)

Native American (1.48%)

Other race (0.33%)

Native Hawaiian or Pacific Islander (0.16%)

Race
Population
Percentage (of total)
White5,51987.62%
Two or more races4126.54%
Black or African American2443.87%
Native American931.48%
Other race210.33%
Native Hawaiian or Pacific Islander100.16%

Vandalia Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Vandalia's average per capita income is $31,690. Household income levels show a median of $48,393. The poverty rate stands at 20.51%.

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$69,931-
Families$60,942$77,082
Households$48,393$60,982
Non Families$29,562$38,788

$31,690

Average Income

$48,393

Median Household Income

20.51%

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)