Mendon township Flag

Mendon township

County:
Adams County
County Seat:
No
Area (mi²):
36.689
State:
Illinois

Mendon township is located in Adams County, Illinois. Mendon township has a 2026 population of 1,363. Mendon township is currently declining at a rate of -0.8% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 1,428 in 2020.

The median household income in Mendon township is $76,048 with a poverty rate of 10.84%. The median age in Mendon township is 37.2 years: 40 years for males, and 36.5 years for females. For every 100 females there are 89.5 males.

1.4K
Total Population
37
Density (mi²)
-11 -0.8%
Growth

Mendon township Population

Mendon township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,363-11-0.8%
20251,374-11-0.79%
20241,385-11-0.79%
20231,396-3-0.21%
20221,399-16-1.13%
20211,415-13-0.91%
20201,428-3-0.21%
20191,48000%
20181,480-13-0.87%
20171,493-7-0.47%
20161,500-2-0.13%
20151,502-4-0.27%
20141,50640.27%
20131,502-7-0.46%
20121,50900%
20111,509-11-0.72%
20101,51400%

Median Age

Overall: 37.2 years
Female: 36.5 years
Male: 40 years

Mendon township Adults

There are 1,189 adults, (225 of whom are seniors) in Mendon township.

Sex Ratio

Female: 884 (52.8%)
Male: 791 (47.2%)

Demographics

The racial composition of Mendon township includes 96% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,60896%
Two or more races523.1%
Other race150.9%
Race
Population ↓
Percentage (of total)
Two or more races191.13%
Other race150.9%
Race
Population ↓
Percentage (of total)
White1,60896%
Two or more races331.97%

Mendon township Marital Status

Economics and Income Statistics

Mendon township 's average per capita income is $55,053. Household income levels show a median of $76,048. The poverty rate stands at 10.84%.

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$105,821-
Families$102,794$109,994
Households$76,048$95,161
Non Families$58,750$57,845

$55,053

Average Income

$76,048

Median Household Income

10.84%

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)