Denison Flag

Denison

County:
Lawrence County
County Seat:
No
Area (mi²):
57.901
State:
Illinois

Denison is located in Lawrence County, Illinois. Denison has a 2025 population of 1,234 . Denison is currently declining at a rate of -1.67% annually and its population has decreased by -9% since the most recent census, which recorded a population of 1,356 in 2020.

The average household income in Denison is $89,196 with a poverty rate of 9.77%. The median age in Denison is 39.2 years: 29.2 years for males, and 45.9 years for females. For every 100 females there are 101.3 males.

1.2K
Total Population
21
Density (mi²)
-21 -1.67%
Growth

Denison Population

Denison Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Denison includes 87.29% White, and smaller percentages for Native American and multiracial populations.

Population by Race

White (87.29%)

Two or more races (10.58%)

Native American (2.13%)

Race
Population
Percentage (of total)
White1,18887.29%
Two or more races14410.58%
Native American292.13%

Denison Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Denison's average per capita income is $37,721. Household income levels show a median of $59,338. The poverty rate stands at 9.77%.

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$81,250-
Families$69,167$98,829
Households$59,338$89,196
Non Families$44,375$59,512

$37,721

Average Income

$59,338

Median Household Income

9.77%

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)