Herndon, Pennsylvania

Herndon, Pennsylvania
Main Street (PA 147) in Herndon,
September 2015
Location of Herndon in Northumberland County, Pennsylvania.
Herndon
Location on Herndon in Pennsylvania
Herndon
Herndon (the United States)
Coordinates: 40°42′15″N 76°50′36″W / 40.70417°N 76.84333°W / 40.70417; -76.84333
CountryUnited States
StatePennsylvania
CountyNorthumberland
Settled1827
Incorporated1902
Area
 • Total
1.80 sq mi (4.66 km2)
 • Land0.79 sq mi (2.05 km2)
 • Water1.01 sq mi (2.61 km2)
Elevation
(center of borough)
440 ft (130 m)
Highest elevation
(eastern boundary of borough)
840 ft (260 m)
Lowest elevation
(Susquehanna River)
415 ft (126 m)
Population
 (2020)
 • Total
347
 • Density438.6/sq mi (169.36/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
17830
Area codes570 and 272
FIPS code42-34080
Websitehttps://herndonborough.com

Herndon, formerly Trevorton Junction, is a borough along the Susquehanna River in Northumberland County, Pennsylvania, United States. Herndon was first founded by Robert A. Parrish in 1840. The town was later named for Naval commander William Lewis Herndon, who died in 1857 while trying to rescue passengers from his sinking ship. As of the 2020 census, Herndon had a population of 347.