Derry

Population: 2,616
Median household income: $49,051
Median home value: $122,200

Derry is a community in Westmoreland County, Pennsylvania, home to 2,616 residents. Its median household income of $49,051 runs below the Westmoreland County figure of $72,468.

Between 2019 and 2023, Derry's population grew 3.0% from 2,540 to 2,616, while its median home value rose 40.6% from $86,900 to $122,200.

The median resident is 42.1 years old. The largest age group is 5 to 17, 16.7% of residents.

Demographics

ACS 2019–2023

Population: 2,616
Median age: 42.1 yrs
Median household income: $49,051
Median home value: $122,200
Median gross rent: $593
Housing units: 1,396
Homeownership rate: 70.2%
Bachelor's degree or higher: 16.1%
Unemployment rate: 9.7%

Trends

ACS 5-year · 2019–2023

Population

2,5402,616

Median household income

$48,304$49,051

Median home value

$86,900$122,200

Median gross rent

$625$593

Year	Population	Median household income	Median home value	Median gross rent
2019	2,540	$48,304	$86,900	$625
2020	2,317	$50,486	$94,000	$653
2021	2,627	$54,412	$99,200	$655
2022	2,636	$48,380	$118,100	$613
2023	2,616	$49,051	$122,200	$593

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.7%

5 to 1716.7%

18 to 245.7%

25 to 3412.5%

35 to 4412.3%

45 to 5410.1%

55 to 6414.9%

65 to 7412.3%

75 and over10.9%

	Count	Share
Under 5	122	4.7%
5 to 17	436	16.7%
18 to 24	149	5.7%
25 to 34	326	12.5%
35 to 44	321	12.3%
45 to 54	265	10.1%
55 to 64	390	14.9%
65 to 74	321	12.3%
75 and over	286	10.9%

Race & ethnicity

	Count	Share
White (non-Hispanic)	2,497	95.5%
Black or African American	74	2.8%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	12	0.5%
Two or more races	33	1.3%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma3.9%

High school graduate47.7%

Some college or associate's32.3%

Bachelor's degree10.5%

Graduate or professional degree5.6%

	Count	Share
No high school diploma	75	3.9%
High school graduate	910	47.7%
Some college or associate's	617	32.3%
Bachelor's degree	201	10.5%
Graduate or professional degree	106	5.6%

Commute to work

Mean travel time to work: 25 min

Drove alone81.3%

Carpooled9.6%

Public transit0.0%

Walked1.8%

Bicycle0.0%

Worked from home6.7%

Other means0.7%

How workers get to work

	Count	Share
Drove alone	867	81.3%
Carpooled	102	9.6%
Public transit	0	0.0%
Walked	19	1.8%
Bicycle	0	0.0%
Worked from home	72	6.7%
Other means	7	0.7%

Travel time

	Count	Share
Under 15 min	356	35.8%
15 to 29 min	277	27.8%
30 to 44 min	144	14.5%
45 to 59 min	108	10.9%
60+ min	110	11.1%

Households

Average household size: 2.22
Poverty rate: 16.7% (434 of 2,598)

	Count	Share
Family households	648	54.9%
Nonfamily households	533	45.1%

Housing

Median year structure built: 1944

Occupancy

	Count	Share
Occupied	1,181	84.6%
Vacant	215	15.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	829	70.2%
Renter-occupied	352	29.8%

1-unit, detached74.2%

1-unit, attached2.4%

2 to 4 units9.2%

5 to 19 units3.3%

20 or more units8.0%

Mobile home & other2.9%

Units in structure

	Count	Share
1-unit, detached	1,036	74.2%
1-unit, attached	34	2.4%
2 to 4 units	128	9.2%
5 to 19 units	46	3.3%
20 or more units	112	8.0%
Mobile home & other	40	2.9%

Geography

Place GEOID: 4218960
Type (LSAD): 21
Land area: 0.77 sq mi
Water area: 0.02 sq mi
Center point: 40.3334, -79.3011