Mendon is a city located in Adams County Illinois. With a 2020 population of 856, it is the 729th largest city in Illinois and the 15852nd largest city in the United States. Mendon is currently declining at a rate of -0.93% annually and its population has decreased by -21.61% since the most recent census, which recorded a population of 1,092 in 2020. Spanning over 1 miles, Mendon has a population density of 999 people per square mile.
The average household income in Mendon is $58,666 with a poverty rate of 8.80%. The median rental costs in recent years comes to $759 per month, and the median house value is $86,200. The median age in Mendon is 44.9 years, 37.9 years for males, and 47.5 years for females.
According to the most recent ACS, the racial composition of Mendonwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among white people with a rate of 89.67%.
The highest rate of bachelors degrees is among white people with a rate of 13.77%.
99.34% of Mendon residents speak only English, while 0.66% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.66% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Mendon is White, with 8.80% below the poverty level.
The race least likely to be in poverty in Mendon is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.96%. Among those working part-time, it was 8.97%, and for those that did not work, the poverty rate was 17.72%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Mendon
100.00% of Mendon residents were born in the United States, with 84.16% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.