As of the 2010 census, the borough was 89.9% Non-Hispanic White, 4.1% Black or African American, 0.2% Native American, 1.5% Asian, and 1.7% were two or more races.
3.3% of the population were of Hispanic or Latino ancestry.

As of the census of 2000, there were 927 people, 330 households, and 258 families residing in the borough.
The population density was 1,559.7 people per square mile (606.6/km²).
There were 336 housing units at an average density of 565.3 per square mile (219.9/km²).
The racial makeup of the borough was 94.28% White, 3.24% African American, 0.11% Native American, 1.40% Asian, 0.43% from other races, and 0.54% from two or more races.
Hispanic or Latino of any race were 1.08% of the population.

There were 330 households, out of which 31.8% had children under the age of 18 living with them, 65.2% were married couples living together, 10.6% had a female householder with no husband present, and 21.8% were non-families.
14.8% of all households were made up of individuals, and 5.2% had someone living alone who was 65 years of age or older.
The average household size was 2.81 and the average family size was 3.14.

In the borough the population was spread out, with 23.6% under the age of 18, 7.1% from 18 to 24, 30.6% from 25 to 44, 25.5% from 45 to 64, and 13.2% who were 65 years of age or older.
The median age was 39 years.
For every 100 females there were 94.7 males.
For every 100 females age 18 and over, there were 93.4 males.

The median income for a household in the borough was $67,500, and the median income for a family was $77,721.
Males had a median income of $45,833 versus $35,781 for females.
The per capita income for the borough was $27,302.
About 1.6% of families and 2.7% of the population were below the poverty line, including 2.3% of those under age 18 and none of those age 65 or over.
As of the 2010 census, the borough was 89.9% Non-Hispanic White, 4.1% Black or African American, 0.2% Native American, 1.5% Asian, and 1.7% were two or more races. 3.3% of the population were of Hispanic or Latino ancestry.
As of the census of 2000, there were 927 people, 330 households, and 258 families residing in the borough. The population density was 1,559.7 people per square mile (606.6/km²). There were 336 housing units at an average density of 565.3 per square mile (219.9/km²). The racial makeup of the borough was 94.28% White, 3.24% African American, 0.11% Native American, 1.40% Asian, 0.43% from other races, and 0.54% from two or more races. Hispanic or Latino of any race were 1.08% of the population.
There were 330 households, out of which 31.8% had children under the age of 18 living with them, 65.2% were married couples living together, 10.6% had a female householder with no husband present, and 21.8% were non-families. 14.8% of all households were made up of individuals, and 5.2% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.14.
In the borough the population was spread out, with 23.6% under the age of 18, 7.1% from 18 to 24, 30.6% from 25 to 44, 25.5% from 45 to 64, and 13.2% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 94.7 males. For every 100 females age 18 and over, there were 93.4 males.
The median income for a household in the borough was $67,500, and the median income for a family was $77,721. Males had a median income of $45,833 versus $35,781 for females. The per capita income for the borough was $27,302. About 1.6% of families and 2.7% of the population were below the poverty line, including 2.3% of those under age 18 and none of those age 65 or over.
Langhorne Manor, Pennsylvania