According to the United States Census Bureau, the town of Erwin has a total area of, of which, or 0.91%, are water. The Cape Fear River forms part of the western border of the town.
Transportation
By road - The highway enters the city from the northwest, and continues into Dunn, North Carolina, where it meets with, a major north–south highway across the East Coast. - This short highway enters the city from the south, and its northern terminus is to the north of the city, where it intersects with . - This highway also enters the city from the south, and it meets with through the center of Erwin, known as 13th Street. The highway, with, ends at in the northern part of the city. By air Harnett Regional Jetport is the only airport in the city, which is 10 miles near Buies Creek, NC. The airport currently does not support any airlines yet. RDU Airport - Although not in the city, the airport serves the Triangle area, which includes Erwin. Carpool services, such as Uber or Lyft are available from the airport to the city.
Education
Higher education
Public school
High school
Middle school
Coats Erwin Middle
Elementary school
Erwin Elementary - Merged with Gentry Primary temporarily until 2021, where it will return to its main grounds.
Demographics
As of the census of 2000, there were 4,537 people, 1,896 households, and 1,287 families residing in the town. The population density was 1,128.8 people per square mile. There were 2,032 housing units at an average density of 505.6 per square mile. The racial makeup of the town was 80.63% White, 15.96% African American, 0.55% Native American, 0.09% Asian, 1.79% from other races, and 0.99% from two or more races. Hispanic or Latino of any race were 4.14% of the population. There were 1,896 households, out of which 29.2% had children under the age of 18 living with them, 50.9% were married couplesliving together, 12.5% had a female householder with no husband present, and 32.1% were non-families. 28.3% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.90. In the town, the population was spread out, with 23.7% under the age of 18, 6.9% from 18 to 24, 27.9% from 25 to 44, 23.5% from 45 to 64, and 17.9% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 90.9 males. For every 100 females age 18 and over, there were 89.0 males. The median income for a household in the town was $29,521, and the median income for a family was $41,270. Males had a median income of $29,610 versus $22,650 for females. The per capita income for the town was $18,282. About 16.4% of families and 20.7% of the population were below the poverty line, including 22.2% of those under age 18 and 31.3% of those age 65 or over. Erwin includes three schools: Gentry Primary, Erwin Elementary, and Triton High School.
Water Tower
In early 2012, Erwin became home to the tallest sphere-topped water tower. The structure is about taller than the previous record holder, the Union Watersphere in Union, New Jersey. However, photographs of the Erwin water tower revealed the new tower to be a water spheroid, not an actual water sphere.
