Plainville is a village in Adams County,

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. The population was 271 at the 2020 census. It is part of the Quincy, IL– MO Micropolitan Statistical Area.

History

Plainville was originally called Stone's Prairie after Samuel Stone who settled here in 1822. In the 1860 presidential election campaign, Plainville was the site of a political rally involving around 7,000 people. This resulted in the "Stone's Prairie Riot" on August 25, 1860, at which the Republican Party para-military organization, the "

Wide Awakes The Wide Awakes were a youth organization and later a paramilitary organization cultivated by the Republican Party during the 1860 presidential election in the United States. Using popular social events, an ethos of competitive fraternity, and e ...

", confronted armed supporters of the Democratic Party.

Geography

Plainville is located at (39.784364, -91.183868). According to the 2021 census gazetteer files, Plainville has a total area of , all land.

Demographics

As of the 2020 census there were 271 people, 104 households, and 63 families residing in the village. The population density was . There were 112 housing units at an average density of . The racial makeup of the village was 91.88%

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, 1.11%

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, and 7.01% from two or more races.

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Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...

of any race were 1.48% of the population. There were 104 households, out of which 40.38% had children under the age of 18 living with them, 50.00% were married couples living together, 5.77% had a female householder with no husband present, and 39.42% were non-families. 32.69% of all households were made up of individuals, and 7.69% had someone living alone who was 65 years of age or older. The average household size was 3.52 and the average family size was 2.74. The village's age distribution consisted of 26.7% under the age of 18, 3.5% from 18 to 24, 27% from 25 to 44, 28.1% from 45 to 64, and 14.7% who were 65 years of age or older. The median age was 36.8 years. For every 100 females, there were 163.9 males. For every 100 females age 18 and over, there were 137.5 males. The median income for a household in the village was $50,500, and the median income for a family was $71,875. Males had a median income of $41,786 versus $22,083 for females. The

per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...

for the village was $22,803. About 7.9% of families and 17.2% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...

, including 25.0% of those under age 18 and 2.4% of those age 65 or over.

Footnotes

{{authority control Villages in Adams County, Illinois Quincy, Illinois micropolitan area Villages in Illinois 1822 establishments in Illinois