Bel Air North is located in west-central Harford County at . It is bordered to the south by the town of Bel Air and the Bel Air South CDP. It is bordered to the southwest by Fallston. Maryland Route 23 and Prospect Mill Road form the northern border of Bel Air North. East of Bel Air, Maryland Route 22 separates Bel Air North from Bel Air South, while Baltimore Pike performs that function west of Bel Air. Winters Run forms the southwest border of the CDP, separating Bel Air North from Fallston. U.S. Route 1 passes through the central part of the CDP as it bypasses Bel Air to the north. Route 1 leads northeast to the Conowingo Dam across the Susquehanna River and southwest to Baltimore. According to the United States Census Bureau, the Bel Air North CDP has a total area of, of which are land and, or 0.47%, are water.
Demographics
As of the census of 2000, there were 25,798 people, 8,716 households, and 7,190 families residing in the CDP. The population density was 1,577.0 people per square mile. There were 8,978 housing units at an average density of 548.8/sq mi. The racial makeup of the CDP was 94.96% White, 2.22% African American, 0.12% Native American, 1.61% Asian, 0.02% Pacific Islander, 0.27% from other races, and 0.79% from two or more races. Hispanic or Latino of any race were 1.10% of the population. There were 8,716 households, out of which 48.3% had children under the age of 18 living with them, 72.0% were married couplesliving together, 8.2% had a female householder with no husband present, and 17.5% were non-families. 14.6% of all households were made up of individuals, and 5.3% had someone living alone who was 65 years of age or older. The average household size was 2.94 and the average family size was 3.28. In the CDP, the population was spread out, with 31.4% under the age of 18, 5.9% from 18 to 24, 32.3% from 25 to 44, 22.3% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 94.4 males. For every 100 females age 18 and over, there were 90.5 males. The median income for a household in the CDP was $86,881, and the median income for a family was $94,119. Males had a median income of $54,381 versus $32,521 for females. The per capita income for the CDP was $26,726. About 1.2% of families and 1.7% of the population were below the poverty line, including 1.6% of those under age 18 and 3.4% of those age 65 or over.