Derry, PA Profile: Facts, Map & Data


Derry Local Links & Resources:
Hotels | Resources | ALL Derry Content

Also See: Derry, PA ZIP Codes & ZIP Code Maps | Local Area Photos

Derry, Pennsylvania - Basic Facts

The Borough of Derry had a population of 2,607 as of July 1, 2017. Derry ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Pennsylvania. See peer rankings below.

The primary coordinate point for Derry is located at latitude 40.3334 and longitude -79.3011 in Westmoreland County. The formal boundaries for the Borough of Derry (see map below) encompass a land area of 0.77 sq. miles and a water area of 0.02 sq. miles. Westmoreland County is in the Eastern time zone (GMT -5). The elevation is 1,181 feet.

The Borough of Derry (GNIS ID: 1215696) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Derry population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


Borough of Derry, PA Boundary Map

Also See: BIG Map | Driving Directions | PA Congressional Districts
Boundary Maps: Westmoreland County | Pennsylvania Counties

Search the map for:

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


Total Population 2,607
Daytime Population: Workers 266
Daytime Population: Residents 1,322
Total Daytime Population (TDP) 1,588
Ratio TDP/Total Population1 0.61
Population in Households 2,607
Population in Familes 2,056
Population in Group Qrtrs 0
Population Density2 3,377
Diversity Index3 7


Median Household Income $40,888
Average Household Income $51,538
Per Capita Income $21,845


Total Housing Units 1,267 (100%)
Owner Occupied HU 731 (57.7%)
Renter Occupied HU 374 (29.5%)
Vacant Housing Units 162 (12.8%)
Median Home Value $97,852
Average Home Value $116,484


Total Households 1,105
Average Household Size 2.36
Family Households 693
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -0.42% -0.37%
Households -0.36% -0.33%
Families -0.49% -0.41%
Median Household Income   3.1%
Per Capita Income   2.9%

Derry, PA - Peer Comparisons by Rank and Percentile

The table below compares Derry to the other 1,762 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 519 71st
Population Density # 342 81st
Diversity Index # 1333 25th
Median Household Income # 1406 20th
Per Capita Income # 1459 17th

Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.

Pennsylvania Research Tools

Pennsylvania Census Data Comparison Tool

Compare Pennsylvania Census Data
Highest or Lowest: