school Heritage Baptist Academy Holy Trinity School Geography According to the United States Census Bureau, the town has a total area of 39.9 square miles (103.3 km), of which 39.0 square miles (101.1 km) is land and 0.9 square miles (2.2 km), or 2.16%, is water. The town of Wallingford sits astride the Quinnipiac River in northern New Haven County. It is south of Meriden and about north of New Haven. Towns bordering Wallingford are Cheshire, Durham, Hamden, Meriden, Middlefield, North Branford and North Haven. Situated in the Hartford-New Haven-Springfield corridor, Wallingford is traversed by U.S. Route 5, Interstate 91, and State Highways Route 15 (Wilbur Cross Parkway), Route 68, Route 71 and Route 150. Principal communities East Wallingford Quinnipiac (partly in North Haven) Tracy Wallingford Center Yalesville Demographics As of the census of 2020, there were 44,396 people and 18,518 households residing in the town. According to the 2018 American Community Survey, the population density was 1,146.8 people per square mile. There were 19,914 housing units. The racial makeup of the town was 86% White, 2% African American, less than 1% Native American, 4% Asian, less than 1% from other races, and 1% from two or more races. Hispanic or Latino of any race were 7% of the population. There were 18,518 households, out of which 64% were married couples living together, 12% had a female householder with no husband present, and 18% were non-families. The average household size was 2.4. The 2021 median household income was $88,573, a 7% increase from the prior year. Wallingford's average household income was $105,374 and the mean family income was $127,343. The per capita income in the town was $44,813. More than 40% of all households earn more than $100,000 per year, with 9.2% earning more than $200,000. In the town, the population's ages were spread out, with 24.0% under the age of 18, 6.0% from 18 to 24, 30.7% from 25 to 44, 24.0% from 45 to 64, and 15.2% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.0 males. For every 100 females age 18 and over, there were 89.7 males. Economy Top employers Top employers in Wallingford according to the town's 2020 Comprehensive Annual Financial Report: Transportation Wallingford is also located on the New Haven–Springfield Line with daily passenger service to points north and south and to