New Martinsville is a city in Wetzel County, West Virginia, United States, along the Ohio River. The population was 5,366 at the 2010 census. It is the county seat of Wetzel County.
New Martinsville is located at 39°39′27″N 80°51′34″W / 39.65750°N 80.85944°W / 39.65750; -80.85944 (39.657465, -80.859504). Big Fishing Creek/ Fishing Creek is located downstream nearby, just South of town.
According to the United States Census Bureau, the city has a total area of 2.71 square miles (7.02 km), of which, 2.67 square miles (6.92 km) is land and 0.04 square miles (0.10 km) is water.
As of the census of 2010, there were 5,366 people, 2,340 households, and 1,477 families residing in the city. The population density was 2,009.7 inhabitants per square mile (775.9/km). There were 2,632 housing units at an average density of 985.8 per square mile (380.6/km). The racial makeup of the city was 98.2% White, 0.2% African American, 0.1% Native American, 0.6% Asian, 0.3% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 0.6% of the population.
There were 2,340 households of which 25.7% had children under the age of 18 living with them, 46.8% were married couples living together, 12.1% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 36.9% were non-families. 32.2% of all households were made up of individuals and 15.1% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.78.
The median age in the city was 46.5 years. 20.5% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 20.9% were from 25 to 44; 30.6% were from 45 to 64; and 21.7% were 65 years of age or older. The gender makeup of the city was 47.2% male and 52.8% female.
As of the census of 2000, there were 5,984 people, 2,484 households, and 1,684 families residing in the city. The population density was 2,157.4 people per square mile (834.1/km²). There were 2,737 housing units at an average density of 986.8 per square mile (381.5/km²). The racial makeup of the city was 98.55% White, 0.05% African American, 0.10% Native American, 0.75% Asian, 0.03% Pacific Islander, 0.02% from other races, and 0.50% from two or more races. Hispanic or Latino of any race were 0.43% of the population.
There were 2,484 households out of which 28.9% had children under the age of 18 living with them, 52.6% were married couples living together, 11.7% had a female householder with no husband present, and 32.2% were non-families. 28.9% of all households were made up of individuals and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.86.
In the city, the population was spread out with 22.9% under the age of 18, 6.7% from 18 to 24, 25.4% from 25 to 44, 26.8% from 45 to 64, and 18.2% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 88.2 males. For every 100 females age 18 and over, there were 81.5 males.
The median income for a household in the city was $33,750, and the median income for a family was $40,851. Males had a median income of $37,614 versus $21,019 for females. The per capita income for the city was $18,578. About 16.9% of families and 20.6% of the population were below the poverty line, including 29.4% of those under age 18 and 15.1% of those age 65 or over.