Township Of Derry PA Demographic Data and Boundary Map


Township Of Derry, PA

The Township Of Derry is a County Subdivision of Dauphin County. The subdivision has a T1 Census Class Code which indicates that the Township Of Derry is an active county subdivision that is not coextensive with an incorporated place.

Also See: Dauphin County Data | Cities in Dauphin County | County Subdivisions in Dauphin County

Township Of Derry Boundary Map


Township Of Derry Data & Demographics (As of July 1, 2017)


Total Population 25,230
Population in Households 22,983
Population in Familes 18,018
Population in Group Qrtrs 2,247
Population Density1 928
Diversity Index2 39


Total Households 9,865
Average Household Size 2.33
Family Households 6,050
Average Family Size 3


Total Housing Units 10,462 (100%)
Owner Occupied HU 6,005 (57.4%)
Renter Occupied HU 3,860 (36.9%)
Vacant Housing Units 597 ( 5.7%)
Median Home Value $266,514
Average Home Value $310,500


Median Household Income $72,737
Average Household Income $108,183
Per Capita Income $44,211
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.31% 0.31%
Households 0.32% 0.34%
Families 0.22% 0.28%
Median Household Income   2.28%
Per Capita Income   2.42%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.