Tompkins township Flag

Tompkins township

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

Tompkins township is located in Warren County, Illinois. Tompkins township has a 2026 population of 843. Tompkins township is currently declining at a rate of -0.59% annually and its population has decreased by -5.6% since the most recent census, which recorded a population of 893 in 2020.

The median household income in Tompkins township is $82,083 with a poverty rate of 8.51%. The median age in Tompkins township is 33.7 years: 31.3 years for males, and 39.3 years for females. For every 100 females there are 128.1 males.

843
Total Population
23
Density (mi²)
-5 -0.59%
Growth

Tompkins township Population

Tompkins township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026843-5-0.59%
2025848-5-0.59%
2024853-5-0.58%
2023858-7-0.81%
2022865-14-1.59%
2021879-14-1.57%
202089300%
2019870-10-1.14%
2018880-10-1.12%
2017890-7-0.78%
2016897-7-0.77%
2015904-14-1.53%
2014918-1-0.11%
2013919-1-0.11%
2012920-1-0.11%
201192130.33%
201092210.11%

Median Age

Overall: 33.7 years
Female: 39.3 years
Male: 31.3 years

Tompkins township Adults

There are 741 adults, (171 of whom are seniors) in Tompkins township.

Sex Ratio

Female: 463 (43.8%)
Male: 593 (56.2%)

Demographics

The racial composition of Tompkins township includes 94.89% White, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,00294.89%
Two or more races373.5%
Asian151.42%
Other race20.19%
Race
Population ↓
Percentage (of total)
Two or more races242.27%
White20.19%
Other race20.19%
Race
Population ↓
Percentage (of total)
White1,00094.7%
Asian151.42%
Two or more races131.23%

Tompkins township Marital Status

Economics and Income Statistics

Tompkins township 's average per capita income is $45,670. Household income levels show a median of $82,083. The poverty rate stands at 8.51%.

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$84,948-
Families$84,135$87,379
Households$82,083$82,089
Non Families$42,361$56,186

$45,670

Average Income

$82,083

Median Household Income

8.51%

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)