Sunbury, Pennsylvania

Sunbury population, 2020 to 2024

Sunbury lost 152 residents from July 2020 to July 2024, a change of -1.6%. In the latest year it moved by +14. Among 193 Pennsylvania places of 5,000 or more, that growth ranks 123rd; the median place changed by +0.2%. The median place of 5,000+ in Pennsylvania has 8,364 people, so Sunbury is 1.1 times that size.

Sunbury covers 2.01 square miles of land and 0.10 of water, for 4,751 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Sunbury is denser than the typical town.

What county Sunbury is in

All of Sunbury's residents live in Northumberland County, which had 90,027 residents in 2024. Sunbury holds 10.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sunbury

1 ZIP Code Tabulation Area (ZCTA) overlaps Sunbury by at least 10% of the ZCTA's or the city's land: 17801. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sunbury is

The Census internal point of Sunbury is at 40.861500, -76.786700. Harrisburg, the capital, is 41.6 miles S in a straight line. The nearest larger place is Bloomsburg, PA (13,286 people), 19.8 miles away. The nearest city of 100,000 or more is Allentown, PA, 71.0 miles away.

Daylight in Sunbury

At 40.86° N, Sunbury 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 52 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sunbury

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Shamokin Dam, 2.1 miles away, with 1,633 people.