Riverside, Pennsylvania

Riverside, Pennsylvania
Welcome sign in Riverside
Location of Riverside in Northumberland County, Pennsylvania.
Coordinates: 40°57′13″N 76°38′06″W / 40.95361°N 76.63500°W / 40.95361; -76.63500
CountryUnited States
StatePennsylvania
CountyNorthumberland
Incorporated1871
Government
 • TypeBorough Council
 • MayorTodd Oberdorf (as of Feb. 2025)
Area
 • Total
5.47 sq mi (14.17 km2)
 • Land4.94 sq mi (12.79 km2)
 • Water0.53 sq mi (1.37 km2)
Elevation
(benchhmark at borough center)
500 ft (150 m)
Highest elevation
(hill at south end of borough)
940 ft (290 m)
Lowest elevation
(Susquehanna River)
440 ft (130 m)
Population
 (2020)
 • Total
2,040
 • Density412.9/sq mi (159.44/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
Zip code
17868
Area code570
FIPS code42-65112
WebsiteRiverside borough

Riverside is a borough in Northumberland County, Pennsylvania, United States. As of the 2020 census, Riverside had a population of 2,040. The current mayor is John LaMotte.