Darby, Pennsylvania

Darby population, 2020 to 2024

Darby added 50 residents from July 2020 to July 2024, a change of +0.5%. In the latest year it moved by +70. Among 193 Pennsylvania places of 5,000 or more, that growth ranks 92nd; the median place changed by +0.2%. The median place of 5,000+ in Pennsylvania has 8,364 people, so Darby is 1.3 times that size.

Darby covers 0.84 square miles of land, for 12,796 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Darby is denser than the typical town.

What county Darby is in

All of Darby's residents live in Delaware County, which had 584,882 residents in 2024. Darby holds 1.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Darby

1 ZIP Code Tabulation Area (ZCTA) overlaps Darby by at least 10% of the ZCTA's or the borough's land: 19023. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a borough that annexed land after 2020 may reach into ZIP codes not listed here.

Where Darby is

The Census internal point of Darby is at 39.921000, -75.261100. Harrisburg, the capital, is 89.0 miles WNW in a straight line. The nearest larger place is Yeadon, PA (12,405 people), 0.9 miles away. The nearest city of 100,000 or more is Philadelphia, PA, 9.1 miles away.

Daylight in Darby

At 39.92° N, Darby gets about 15 h 00 min of daylight around the June solstice and 9 h 20 min around the December solstice, a swing of 5 h 40 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Darby

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Colwyn, 0.8 miles away, with 2,483 people.