Plainville is a city in Rooks County, Kansas, United States. As of the 2010 census, the city population was 1,903. It was named from its setting upon the plains.
Plainville is located at 39°13′56″N 99°18′11″W / 39.23222°N 99.30306°W / 39.23222; -99.30306 (39.232102, -99.303166) at an elevation of 2,146 feet (654 m). It lies in the Smoky Hills region of the Great Plains on the north side of Paradise Creek, a tributary of the Saline River. Southwest of the city, the creek has been dammed to form a small reservoir, Plainville Township Lake. Plainville is approximately 9 miles (14 km) north of the Saline River and 13 miles (21 km) south of the South Fork Solomon River. Located in north-central Kansas at the intersection of U.S. Route 183 and K-18, Plainville is approximately 150 miles (240 km) northwest of Wichita and 253 miles (407 km) west of Kansas City.
According to the United States Census Bureau, the city has a total area of 1.24 square miles (3.21 km), all of it land.
As of the census of 2010, there were 1,903 people, 819 households, and 516 families residing in the city. The population density was 1,534.7 inhabitants per square mile (592.6/km). There were 949 housing units at an average density of 765.3 per square mile (295.5/km). The racial makeup of the city was 98.0% White, 0.2% African American, 0.3% Native American, 0.1% Asian, 0.1% Pacific Islander, 0.5% from other races, and 0.9% from two or more races. Hispanic or Latino of any race were 1.5% of the population.
There were 819 households of which 29.8% had children under the age of 18 living with them, 49.9% were married couples living together, 8.9% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 37.0% were non-families. 32.8% of all households were made up of individuals and 16% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.91.
The median age in the city was 41.5 years. 24.7% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 22.1% were from 25 to 44; 26.2% were from 45 to 64; and 20.2% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female.
As of the census of 2000, there were 2,029 people, 865 households, and 565 families residing in the city. The population density was 1,683.4 people per square mile (647.4/km²). There were 948 housing units at an average density of 786.5 per square mile (302.5/km²). The racial makeup of the city was 98.42% White, 0.39% African American, 0.39% Native American, 0.20% Asian, and 0.59% from two or more races. Hispanic or Latino of any race were 0.30% of the population.
There were 865 households out of which 28.0% had children under the age of 18 living with them, 52.9% were married couples living together, 8.6% had a female householder with no husband present, and 34.6% were non-families. 31.3% of all households were made up of individuals and 18.3% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.89.
In the city, the population was spread out with 24.6% under the age of 18, 8.0% from 18 to 24, 23.7% from 25 to 44, 20.2% from 45 to 64, and 23.5% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 89.4 males. For every 100 females age 18 and over, there were 84.8 males.
As of 2000 the median income for a household in the city was $29,402, and the median income for a family was $35,673. Males had a median income of $29,408 versus $17,245 for females. The per capita income for the city was $15,134. About 7.7% of families and 8.6% of the population were below the poverty line, including 9.8% of those under age 18 and 3.4% of those age 65 or over.