Mendon demographics profile

Population density (sq mi)1,08822291
Median age41.137.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)66%55%55%
Speak English99%77%79%
Speak Spanish1%13%13%
Mendon, IL has a population of 935 and is the 15,559th largest city in the United States. The population density is 1,088 per sq mi which is 390% higher than the Illinois average and 1101% higher than the national average. The median age in Mendon is 41 which is approximately 10% higher than the Illinois average of 37. In Mendon, 66% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 87% of Mendon residents were born in Illinois, 13% were born out of state, 0% were born outside of the United States and 0% were foreign born.

Did you know?

  • The population density in Mendon is 390% higher than Illinois.
  • The median age in Mendon is 10% higher than Illinois.
  • In Mendon 99.57% of the population is Caucasian.
  • In Mendon 0.43% of the population is African American.
  • In Mendon 0.00% of the population is Asian.

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Mendon population breakdown by race

African American0.43%14.30%12.63%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race0.00%2.34%3.06%
Other race0.00%5.86%4.75%
In Mendon, 0.0% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Mendon age breakdown

Marital status

Age of children in married couples

Source: The Mendon, IL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).