Delaware County
Delaware County has roughly average household income, with a median household income of $89,546. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $332,200. It ranks in the top 5% of US counties for household income.
Population & growth
PEP 2025 EST:580,937 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 10 more hispanic origin groups with data
+ 50 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Delaware County
Compare Delaware County to nearby counties
How many people live in Delaware County, Pennsylvania?
Delaware County, Pennsylvania has about 579,222 residents according to the 2024 American Community Survey.
What is the median household income in Delaware County, Pennsylvania?
The typical household in Delaware County, Pennsylvania earns about $89,546 a year. Half of households make more than that, and half make less.
Is Delaware County, Pennsylvania expensive?
In Delaware County, Pennsylvania, the median home is worth about $332,200, and the typical rent is about $1,372 a month.
How educated are people in Delaware County, Pennsylvania?
About 41.9% of adults age 25 and over in Delaware County, Pennsylvania hold a bachelor's degree or higher.
What is the poverty rate in Delaware County, Pennsylvania?
About 10.2% of people in Delaware County, Pennsylvania live below the federal poverty line.
Has Delaware County, Pennsylvania grown since 1990?
Yes, Delaware County, Pennsylvania has grown since 1990. The population has added about 31,571 residents, a change of about 6 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024