|Borough of Chapman|
|Elevation||705 ft (214.9 m)|
|Area||0.4 sq mi (1 km2)|
|- land||0.4 sq mi (1 km2)|
|- water||0.0 sq mi (0 km2), 0%|
|Density||620.1 / sq mi (239.4 / km2)|
|- summer (DST)||EDT (UTC-4)|
The population of Chapman was 199 at the 2010 census.
Chapman is located at .(40.761567, -75.404270)
According to the United States Census Bureau, the borough has a total area of 0.4 square miles (1.0 km2), of which, 0.4 square miles (1.0 km2) of it is land and 0.0% is water. It is drained by the Monocacy Creek into the Lehigh River. It is surrounded by Moore Township and Route 987 follows its western boundary on its way between Klecknersville and Bath as Monocacy Drive. Its other primary two streets are east-to-west Fifth Street and north-to-south Main Street.
As of the census of 2000, there were 234 people, 89 households, and 68 families residing in the borough. The population density was 620.1 people per square mile (237.8/km²). There were 91 housing units at an average density of 241.1 per square mile (92.5/km²). The racial makeup of the borough was 99.15% White, 0.43% African American and 0.43% Pacific Islander. Hispanic or Latino of any race were 0.43% of the population.
There were 89 households out of which 31.5% had children under the age of 18 living with them, 59.6% were married couples living together, 6.7% had a female householder with no husband present, and 22.5% were non-families. 21.3% of all households were made up of individuals and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 2.91.
In the borough the population was spread out with 25.6% under the age of 18, 7.7% from 18 to 24, 26.9% from 25 to 44, 29.1% from 45 to 64, and 10.7% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 112.7 males. For every 100 females age 18 and over, there were 114.8 males.
The median income for a household in the borough was $38,750, and the median income for a family was $42,917. Males had a median income of $36,000 versus $21,563 for females. The per capita income for the borough was $15,571. About 3.1% of families and 5.3% of the population were below the poverty line, including none of those under the age of eighteen and 20.8% of those sixty five or over.
The Borough is served by the Northampton Area School District.