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Mendon, Illinois
Lewis Round Barn
Location of Mendon in Adams County, Illinois.
Location of Mendon in Adams County, Illinois.
Location of Illinois in the United States
Location of Illinois in the United States
Country United States
State Illinois
County Adams
Township Mendon
Area
 • Total 0.86 sq mi (2.22 km2)
 • Land 0.86 sq mi (2.22 km2)
 • Water 0.00 sq mi (0.00 km2)  0%
Elevation
764 ft (233 m)
Population
 (2020)
 • Total 872
 • Density 1,017.50/sq mi (393.00/km2)
Time zone UTC-6 (CST)
 • Summer (DST) UTC-5 (CDT)
ZIP Code(s)
62351
Area code(s) 217
FIPS code 17-48307
GNIS feature ID 2399313
Wikimedia Commons Mendon, Illinois

Mendon is a village in Adams County, Illinois, United States. The population was 872 at the 2020 census. It is part of the Quincy, IL–MO Micropolitan Statistical Area.

The village is named after Mendon, Massachusetts.

History

Mendon was platted in 1833 under the name of Fairfield. However, there was another Fairfield in Illinois, so the village name was changed to Mendon.

Geography

Mendon is located at 40°5′18″N 91°17′4″W / 40.08833°N 91.28444°W / 40.08833; -91.28444 (40.088241, -91.284458).

According to the 2021 census gazetteer files, Mendon has a total area of 0.86 square miles (2.23 km2), all land.

The community is in northwest Adams County on Illinois Route 61. Illinois Route 336 passes approximately one-half mile to the east. Quincy is eleven miles to the south-southwest. The headwaters of Ursa Creek arise southeast of the community and it flows to the west passing the south side of the community.

Demographics

Historical population
Census Pop.
1880 652
1890 640 −1.8%
1900 627 −2.0%
1910 640 2.1%
1920 645 0.8%
1930 580 −10.1%
1940 637 9.8%
1950 625 −1.9%
1960 784 25.4%
1970 883 12.6%
1980 979 10.9%
1990 854 −12.8%
2000 883 3.4%
2010 953 7.9%
2020 872 −8.5%
U.S. Decennial Census

As of the 2020 census there were 872 people, 394 households, and 287 families residing in the village. The population density was 1,017.50 inhabitants per square mile (392.86/km2). There were 376 housing units at an average density of 438.74 per square mile (169.40/km2). The racial makeup of the village was 95.41% White, 0.69% from other races, and 3.90% from two or more races. Hispanic or Latino of any race were 0.57% of the population.

There were 394 households, out of which 40.6% had children under the age of 18 living with them, 58.38% were married couples living together, 12.94% had a female householder with no husband present, and 27.16% were non-families. 26.14% of all households were made up of individuals, and 15.23% had someone living alone who was 65 years of age or older. The average household size was 3.16 and the average family size was 2.62.

The village's age distribution consisted of 29.6% under the age of 18, 3.9% from 18 to 24, 26.7% from 25 to 44, 21% from 45 to 64, and 18.8% who were 65 years of age or older. The median age was 37.8 years. For every 100 females, there were 92.9 males. For every 100 females age 18 and over, there were 82.7 males.

The median income for a household in the village was $56,000, and the median income for a family was $73,750. Males had a median income of $39,167 versus $30,268 for females. The per capita income for the village was $23,663. About 7.7% of families and 8.8% of the population were below the poverty line, including 13.9% of those under age 18 and 8.6% of those age 65 or over.

Registered Historic Places

See also

Kids robot.svg In Spanish: Mendon (Illinois) para niños

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