Middlebourne is a town in Tyler County, West Virginia, USA. The population was 815 at the 2010 census. It serves as the county seat of Tyler County.
Middlebourne is located at 39°29′38″N 80°54′21″W / 39.49389°N 80.90583°W / 39.49389; -80.90583 (39.493966, -80.905751).
According to the United States Census Bureau, the town has a total area of 0.38 square miles (0.98 km), of which, 0.36 square miles (0.93 km) is land and 0.02 square miles (0.05 km) is water.
As of the census of 2010, there were 815 people, 360 households, and 228 families residing in the town. The population density was 2,263.9 inhabitants per square mile (874.1/km). There were 405 housing units at an average density of 1,125.0 per square mile (434.4/km). The racial makeup of the town was 99.3% White and 0.7% from two or more races. Hispanic or Latino of any race were 0.2% of the population.
There were 360 households of which 27.8% had children under the age of 18 living with them, 47.2% were married couples living together, 11.7% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 36.7% were non-families. 35.3% of all households were made up of individuals and 14.2% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.87.
The median age in the town was 42.5 years. 23.7% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 22.7% were from 25 to 44; 29% were from 45 to 64; and 18% were 65 years of age or older. The gender makeup of the town was 46.0% male and 54.0% female.
As of the census of 2000, there were 870 people, 370 households, and 247 families residing in the town. The population density was 2,320.0 inhabitants per square mile (907.9/km²). There were 402 housing units at an average density of 1,072.0 per square mile (419.5/km²). The racial makeup of the town was 99.54% White, and 0.46% from two or more races.
There were 370 households out of which 30.0% had children under the age of 18 living with them, 51.9% were married couples living together, 11.9% had a female householder with no husband present, and 33.2% were non-families. 31.4% of all households were made up of individuals and 16.8% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.89.
In the town, the population was spread out with 23.3% under the age of 18, 7.5% from 18 to 24, 25.1% from 25 to 44, 28.7% from 45 to 64, and 15.4% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 85.1 males. For every 100 females age 18 and over, there were 80.3 males.
The median income for a household in the town was $128,704, and the median income for a family was $40,893. Males had a median income of $35,000 versus $19,167 for females. The per capita income for the town was $14,673. About 12.6% of families and 13.9% of the population were below the poverty line, including 18.3% of those under age 18 and 11.9% of those age 65 or over.