Plainville is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) in Columbia Township, Hamilton County,

Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...

, United States. The population was 120 at the 2020 census.

Geography

Plainville is located in a valley on the banks of the

Little Miami River The Little Miami River () is a Class I tributary of the Ohio River that flows U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed May 26, 2011 through five counties in southwestern Ohio ...

, opposite Newtown and adjacent to Mariemont and Indian Hill. Plainville is part of the

Greater Cincinnati The Cincinnati metropolitan area (also known as the Cincinnati Tri-State area or Greater Cincinnati) is a metropolitan area with its core in Ohio and Kentucky. Its largest city is Cincinnati and includes surrounding counties in the U.S. states ...

area and the Mariemont City School District. Many of the residences and structures are from the 19th century, and the old Plainville School which was built in 1910 and closed in 1957 still stands on Walton Creek Road and now serves as the home theater for the Mariemont Players theater troupe. According to the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, the CDP has a total area of , all land.

Demographics

As of the census of 2020, there were 120 people living in the CDP, for a population density of 1,318.68 people per square mile (508.21/km²). There were 67 housing units. The racial makeup of the CDP was 95.8%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 0.0%

Black Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness.Eva Heller, ''P ...

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.0% Native American, 0.0% Asian, 0.0%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...

, 0.8% from some other race, and 3.3% from two or more races. 0.8% of the population were

Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...

or Latino of any race. There were 68 households, out of which 0.0% had children under the age of 18 living with them, 0.0% were

married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...

living together, 0.0% had a male householder with no spouse present, and 100.0% had a female householder with no spouse present. 0.0% of all households were made up of individuals. The average household size was 2.24. 100.0% of the CDP's population were age 18 to 64. 55.3% were age 30 to 34 and 44.7% were 60 to 64. According to the U.S. Census

American Community Survey The American Community Survey (ACS) is an annual demographics survey program conducted by the United States Census Bureau. It regularly gathers information previously contained only in the long form of the United States census, decennial census ...

, about 0.0% of the population were living 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 ...

. About 55.3% of the population were employed, and 0.0% had a bachelor's degree or higher.

References

Census-designated places in Hamilton County, Ohio Census-designated places in Ohio {{HamiltonCountyOH-geo-stub