Northumberland, Pennsylvania

Northumberland population, 2020 to 2024

Northumberland lost 70 residents from July 2020 to July 2024, a change of -1.8%. In the latest year it moved by -4.

Northumberland covers 1.61 square miles of land, for 2,382 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Northumberland is less dense than the typical town.

What county Northumberland is in

All of Northumberland's residents live in Northumberland County, which had 90,027 residents in 2024. Northumberland holds 4.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Northumberland

1 ZIP Code Tabulation Area (ZCTA) overlaps Northumberland by at least 10% of the ZCTA's or the borough's land: 17857. 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 Northumberland is

The Census internal point of Northumberland is at 40.897200, -76.793000. Harrisburg, the capital, is 44.0 miles S in a straight line. The nearest larger place is Sunbury, PA (9,549 people), 2.5 miles away. The nearest city of 100,000 or more is Allentown, PA, 72.0 miles away.

Daylight in Northumberland

At 40.90° N, Northumberland gets about 15 h 07 min of daylight around the June solstice and 9 h 14 min around the December solstice, a swing of 5 h 53 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Northumberland

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Sunbury, 2.5 miles away, with 9,549 people.