Horsham is a census-designated place in Horsham Township, Montgomery County, Pennsylvania, United States. The population was 15,193 at the 2020 census. It is home to the Biddle Air National Guard Base at the former site of Naval Air Station Joint Reserve Base Willow Grove. Horsham is coterminous with the ZIP Code 19044. It covers an area of 5.47 miles and is located 16 mi north of Philadelphia.

Geography

Horsham is located at 40.17617°N, -75.134°W (40.178484, -75.128786).

Climate

The climate in Horsham is characterized by hot, humid summers and generally cool to cold winters. According to the Köppen Climate Classification system, Horsham has a humid continental climate, abbreviated "Dfa" on climate maps.

Demographics

As of the 2020 census, Horsham's population was 81.7% Non-Hispanic White, 3.1% Black or African American, 0% Native American and Alaskan Native, 7.7% Asian, 0% Native Hawaiian and Other Pacific Islander, 2.6% were two or more races. 12.2% of the population were of Hispanic or Latino ancestry. There were 15,173 people and 5,666 households residing in Horsham. The population density was 2,777.5 PD/sqmi. The population was spread out, with 25.5% under the age of 18, and 17.3% who were 65 years of age or older. The median income for a household in the CDP was $85,767, and the median income for a family was $68,619. The per capita income for the CDP was $41,747. About 3.8% of the population were below the poverty line.

Education

It is part of the Hatboro-Horsham School District.