Delaware County, PA Demographics

The total population of Delaware County is estimated to be 575,312 with 279,037 males (48.50%) and 296,275 females (51.50%). There are 17,238 more females than males in Delaware County.
The median household income in Delaware County was $86,903 in 2021, which marked an an increase of 515(0.60%) from $86,388 in 2020. This income is 116.48% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Delaware County sees its highest median household income among householders in the age group of 45 to 64 years old, at $102,638. Overall, the median household income for the county of Delaware County stands at $83,960.
In Delaware County, the median income for all workers aged 15 years and older, regardless of work hours, was $52,109 for males and $35,527 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $71,749 for males and $57,509 for females.
In Delaware County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, Asian households have the highest median household income at $108,327, while Black or African American households represent the opposite end with the lowest median household income of $52,773.
In 2022, the population of Delaware County was 575,182, a 0.28% decrease year-by-year from 2021. Previously, in 2021, Delaware County's population was 576,772, an increase of 0.08% compared to a population of 576,323 in 2020.
The median age in Delaware County, PA is 39.0, as per 2021 ACS 5-Year Estimates. Of the total population, 18.26% were under the age of 15, 19.88% aged 15 to 29, 45.49% aged 30 to 64, 13.90% aged 65 to 84, and 2.46% were 85 years of age and older.
Racial distribution of Delaware County population: 66.63% are White, 21.79% are Black or African American, 0.13% are American Indian and Alaska Native, 5.96% are Asian, 0.07% are Native Hawaiian and other Pacific Islander, 1.61% are some other race and 3.81% are multiracial.