Spring Brook Township, Lackawanna County, Pennsylvania
|Spring Brook Township|
|Elevation||1,640 ft (499.9 m)|
|Area||34.7 sq mi (89.9 km2)|
|- land||34.1 sq mi (88 km2)|
|- water||0.6 sq mi (2 km2), 1.73%|
|Density||81.2 / sq mi (31.4 / km2)|
|- summer (DST)||EDT (UTC-4)|
According to the United States Census Bureau, the township has a total area of 34.7 square miles (89.8 km²), of which 34.1 square miles (88.3 km²) is land and 0.6 square miles (1.6 km²) (1.73%) is water. The township contains Nesbitt Reservoir.
As of the census of 2010, there were 2,768 people, 1,091 households, and 770 families residing in the township. The population density was 81.2 people per square mile. There were 1,178 housing units at an average density of 34.5/sq mi. The racial makeup of the township was 97.4% White, 0.4% African American, 0.1% Native American, 0.7% Asian, 0.6% from other races, and 0.9% from two or more races. Hispanic or Latino of any race were 1.6% of the population.
There were 1,091 households out of which 28.2% had children under the age of 18 living with them, 57.6% were married couples living together, 8.2% had a female householder with no husband present, and 29.4% were non-families. 24.7% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.03.
In the township the population was spread out with 22.0% under the age of 18, 62.8% from 18 to 64, and 15.2% who were 65 years of age or older. The median age was 43.2 years.
The median income for a household in the township was $74,821, and the median income for a family was $81,204. Males had a median income of $51,938 versus $32,458 for females. The per capita income for the township was $26,934. About 1% of families and 1.5% of the population were below the poverty line, including none of those under age 18 and 5.4% of those age 65 or over.
The largest of Lackawanna County's municipalities in terms of land area, Spring Brook has many distinct subdivisions, including Aston Mountain, Maple Lake and Rolling Hills.