Derry township Flag

Derry township

County Seat:
No
Area (mi²):
27.133
State:
Pennsylvania

Derry township is located in Westmoreland County, Pennsylvania. Derry township has a 2026 population of 25,385. Derry township is currently growing at a rate of 0.4% annually and its population has increased by 2.66% since the most recent census, which recorded a population of 24,728 in 2020.

The median household income in Derry township is $97,025 with a poverty rate of 13.09%. The median age in Derry township is 39.7 years: 35.2 years for males, and 42.1 years for females. For every 100 females there are 91.8 males.

25.4K
Total Population
936
Density (mi²)
102 0.4%
Growth

Derry township Population

Derry township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202625,3851020.4%
202525,2831020.41%
202425,1811020.41%
202325,079580.23%
202225,0212050.83%
202124,816880.36%
202024,728180.07%
201925,257530.21%
201825,2041100.44%
201725,094660.26%
201625,028630.25%
201524,965380.15%
201424,927690.28%
201324,858380.15%
201224,820690.28%
201124,751720.29%
201024,70240.02%

Median Age

Overall: 39.7 years
Female: 42.1 years
Male: 35.2 years

Derry township Adults

There are 19,841 adults, (4,869 of whom are seniors) in Derry township.

Sex Ratio

Female: 13,021 (52.1%)
Male: 11,956 (47.9%)

Demographics

The racial composition of Derry township includes 73.79% White, 10.51% Asian, 4.82% other race, 3.78% Black or African American, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18,43073.79%
Asian2,62610.51%
Two or more races1,7547.02%
Other race1,2034.82%
Black or African American9453.78%
Native American190.08%
Race
Population ↓
Percentage (of total)
Two or more races1,1674.67%
Other race8243.3%
White5942.38%
Black or African American510.2%
Native American190.08%
Asian110.04%
Race
Population ↓
Percentage (of total)
White17,83671.41%
Asian2,61510.47%
Black or African American8943.58%
Two or more races5872.35%
Other race3791.52%

Derry township Marital Status

Economics and Income Statistics

Derry township 's average per capita income is $60,398. Household income levels show a median of $97,025. The poverty rate stands at 13.09%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$156,824-
Families$132,773$183,689
Households$97,025$144,926
Non Families$62,381$81,270

$60,398

Average Income

$97,025

Median Household Income

13.09%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)