Darby Flag

Darby

County:
Delaware County
County Seat:
No
Area (mi²):
0.842
State:
Pennsylvania

Darby is a borough located in Delaware County, Pennsylvania. Darby has a 2026 population of 10,749. Darby is currently growing at a rate of 0.66% annually and its population has increased by 0.47% since the most recent census, which recorded a population of 10,699 in 2020.

10.7K
Total Population
12,763
Density (mi²)
70 0.66%
Growth