Tompkins Flag

Tompkins

County:
Warren County
County Seat:
No
Area (mi²):
36.551
State:
Illinois

Tompkins is located in Warren County, Illinois. Tompkins has a 2025 population of 832. Tompkins is currently declining at a rate of -1.3% annually and its population has decreased by -6.73% since the most recent census, which recorded a population of 892 in 2020.

The average household income in Tompkins is $82,148 with a poverty rate of 6.18%.The median age in Tompkins is 40.2 years: 40.4 years for males, and 40 years for females.

832
Total Population
23
Density (mi²)
-11 -1.3%
Growth

Tompkins Population

Tompkins Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Tompkins includes 96.19% White, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

White (96.2%)

Asian (2.2%)

Two or more races (1.6%)

Race
Population
Percentage (of total)
White1,01196.19%
Asian232.19%
Two or more races171.62%

Tompkins Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Tompkins' average per capita income is $46,037. Household income levels show a median of $80,679. The poverty rate stands at 6.18%.

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$83,750-
Families$83,313$89,600
Households$80,679$82,148
Non Families$42,083$59,636

$46,037

Average Income

$80,679

Median Household Income

6.18%

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)