Richboro is a census-designated place (CDP) in Northampton Township, Bucks County, Pennsylvania, United States. The population was 6,563 at the 2010 census.
Hampton Hill, John Thompson House, Twin Trees Farm, and Willow Mill Complex are listed on the National Register of Historic Places.
Richboro is located at 40°13′18″N 75°0′22″W (40.221658, -75.006047). Tyler State Park is partially located in Richboro.
According to the United States Census Bureau, the CDP has a total area of 4.4 square miles (11 km2), all of it land.
At the 2000 census there were 6,678 people, 2,062 households, and 1,864 families living in the CDP. The population density was 1,524.5 people per square mile (588.7/km2). There were 2,072 housing units at an average density of 473.0/sq mi (182.6/km2). The racial makeup of the CDP was 97.09% White, 0.36% African American, 1.81% Asian, 0.01% from other races, and 0.72% from two or more races. Hispanic or Latino of any race were 0.63%.
There were 2,062 households, 45.4% had children under the age of 18 living with them, 83.9% were married couples living together, 4.7% had a female householder with no husband present, and 9.6% were non-families. 8.1% of households were made up of individuals, and 4.4% were one person aged 65 or older. The average household size was 3.20 and the average family size was 3.39.
The age distribution was 28.9% under the age of 18, 6.5% from 18 to 24, 25.2% from 25 to 44, 29.7% from 45 to 64, and 9.7% 65 or older.