Denning Flag

Denning

County:
Franklin County
County Seat:
No
Area (mi²):
35.847
State:
Illinois

Denning is located in Franklin County, Illinois. Denning has a 2025 population of 4,645. Denning is currently declining at a rate of -0.19% annually and its population has decreased by -1.8% since the most recent census, which recorded a population of 4,730 in 2020.

The average household income in Denning is $66,792 with a poverty rate of 16.94%. The median age in Denning is 44.3 years: 44.3 years for males, and 44.3 years for females.

4.6K
Total Population
130
Density (mi²)
-9 -0.19%
Growth

Denning Population

Denning Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Denning includes 95.78% White, and smaller percentages for other race, Two or more races, Native American, Black or African American and multiracial populations.

Population by Race

White (95.8%)

Other race (2.1%)

Two or more races (1.6%)

Native American (0.3%)

Black or African American (0.2%)

Race
Population
Percentage (of total)
White4,51695.78%
Other race982.08%
Two or more races771.63%
Native American160.34%
Black or African American80.17%

Denning Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Denning's average per capita income is $39,908. Household income levels show a median of $52,127. The poverty rate stands at 16.94%.

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$96,733-
Families$78,333$85,030
Households$52,127$66,792
Non Families$25,777$37,983

$39,908

Average Income

$52,127

Median Household Income

16.94%

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)