Allegheny County vs Delaware County

A side-by-side comparison of Allegheny County and Delaware County: population, income, housing, and more.

Allegheny County and Delaware County are counties in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Allegheny County has the higher population (1,240,476 vs 576,195 in Delaware County). Delaware County has the higher median household income ($88,576 vs $76,393 in Allegheny County). Delaware County has the higher median home value ($302,400 vs $216,700 in Allegheny County).

Population, income & housing

	Allegheny County	Delaware County
Population	1,240,476	576,195
Median age	40.6 yrs	39.0 yrs
Median household income	$76,393	$88,576
Median home value	$216,700	$302,400
Median gross rent	$1,111	$1,315
Housing units	604,558	229,390
Homeownership rate	64.9%	69.6%
Bachelor's degree or higher	44.8%	41.6%
Unemployment rate	4.9%	6.9%

Trends (ACS 5-year, 2019–2023)

	Allegheny County	Delaware County
Population	1,221,744 → 1,240,476 (+1.5%)	564,554 → 576,195 (+2.1%)
Median household income	$61,043 → $76,393 (+25.1%)	$74,477 → $88,576 (+18.9%)
Median home value	$154,700 → $216,700 (+40.1%)	$244,400 → $302,400 (+23.7%)
Median gross rent	$890 → $1,111 (+24.8%)	$1,078 → $1,315 (+22.0%)

Allegheny County

Population

1,221,7441,240,476

Median household income

$61,043$76,393

Median home value

$154,700$216,700

Median gross rent

$890$1,111

Delaware County

Population

564,554576,195

Median household income

$74,477$88,576

Median home value

$244,400$302,400

Median gross rent

$1,078$1,315

Age & race/ethnicity

Age distribution (share)

	Allegheny County	Delaware County
Under 5	5.1%	5.7%
5 to 17	13.6%	16.4%
18 to 24	8.7%	9.7%
25 to 34	14.9%	12.8%
35 to 44	13.0%	12.9%
45 to 54	11.3%	12.0%
55 to 64	13.6%	13.5%
65 to 74	11.6%	10.1%
75 and over	8.1%	6.9%

Race & ethnicity (share)

	Allegheny County	Delaware County
White (non-Hispanic)	76.1%	63.3%
Black or African American	12.4%	21.7%
American Indian & Alaska Native	0.1%	0.0%
Asian	4.1%	6.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.5%	0.5%
Two or more races	4.0%	3.5%
Hispanic or Latino	2.8%	4.8%

Educational attainment (age 25+)

Share of adults 25+

	Allegheny County	Delaware County
No high school diploma	4.5%	6.4%
High school graduate	25.4%	27.2%
Some college or associate's	25.3%	24.8%
Bachelor's degree	26.0%	23.5%
Graduate or professional degree	18.8%	18.1%

Commute to work

How workers get to work (share)

	Allegheny County	Delaware County
Drove alone	63.3%	66.1%
Carpooled	6.6%	6.8%
Public transit	6.2%	6.7%
Walked	3.7%	3.3%
Bicycle	0.4%	0.2%
Worked from home	18.6%	15.4%
Other means	1.3%	1.5%

Housing

Units in structure (share)

	Allegheny County	Delaware County
1-unit, detached	61.6%	43.8%
1-unit, attached	10.2%	32.0%
2 to 4 units	9.0%	8.7%
5 to 19 units	8.1%	6.2%
20 or more units	10.5%	8.9%
Mobile home & other	0.7%	0.4%

Poverty & households

	Allegheny County	Delaware County
Poverty rate	11.2%	10.2%
Average household size	2.20	2.56
Mean commute (minutes)	26	28
Median year structure built	1957	1957