Mount Vernon Flag

Mount Vernon

County Seat:
Yes
Area (mi²):
14.649
State:
Illinois

Mount Vernon is a city located in Jefferson County, Illinois. Mount Vernon has a 2025 population of 14,041. It is also the county seat of Jefferson County. Mount Vernon is currently declining at a rate of -0.73% annually and its population has decreased by -3.54% since the most recent census, which recorded a population of 14,556 in 2020.

The average household income in Mount Vernon is $67,340 with a poverty rate of 18.72%.The median age in Mount Vernon is 39 years: 34.8 years for males, and 43.5 years for females.

14K
Total Population
958
Density (mi²)
-103 -0.73%
Growth

Mount Vernon Population

Mount Vernon Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mount Vernon includes 76.39% White, 12.67% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White11,07176.39%
Black or African American1,83612.67%
Two or more races1,2418.56%
Asian1671.15%
Other race1551.07%
Native American140.1%
Native Hawaiian or Pacific Islander80.06%

Mount Vernon Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mount Vernon's average per capita income is $36,963. Household income levels show a median of $52,751. The poverty rate stands at 18.72%.

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$77,210-
Families$60,647$75,001
Households$52,751$67,340
Non Families$36,696$51,950

$36,963

Average Income

$52,751

Median Household Income

18.72%

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)