Mount Olive Township, New Jersey

Mount Olive Township, New Jersey
Lewis Carey Farmhouse located in Flanders
Interactive map of Mount Olive
Mount Olive Township
Location in Morris County
Mount Olive Township
Location in New Jersey
Mount Olive Township
Location in the United States
Coordinates: 40°51′56″N 74°44′31″W / 40.865597°N 74.74193°W / 40.865597; -74.74193
Country United States
State New Jersey
County Morris
IncorporatedMarch 22, 1871
Named afterBenjamin Olive
Government
  TypeFaulkner Act (mayor–council)
  BodyTownship Council
  MayorJoe Nicastro (R, term ends December 31, 2027)
  AdministratorAndrew Tatarenko
  Municipal clerkMichelle Masser
Area
  Total
31.24 sq mi (80.92 km2)
  Land29.62 sq mi (76.71 km2)
  Water1.63 sq mi (4.21 km2)  5.21%
  Rank83rd of 565 in state
4th of 39 in county
Elevation
948 ft (289 m)
Population
 (2020)
  Total
28,886
  Estimate 
(2023)
29,249
  Rank84th of 565 in state
2nd of 39 in county
  Density975.3/sq mi (376.6/km2)
   Rank387th of 565 in state
29th of 39 in county
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (Eastern (EDT))
ZIP Codes
07828 – Budd Lake
07836 – Flanders
Area code(s)908 and 973
FIPS code3402749080
GNIS feature ID0882197
Websitewww.mountolivetwpnj.org

Mount Olive Township is a township in western Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 28,886, its highest decennial census count ever and an increase of 769 (+2.7%) from the 2010 census count of 28,117, which in turn reflected an increase of 3,924 (+16.2%) from the 24,193 counted in the 2000 census.

The Township of Mount Olive was formed by an act of the New Jersey Legislature on March 22, 1871, from portions of Roxbury Township. Netcong was formed from portions of the township on October 23, 1894. The township was named for Benjamin Olive, a colonial-era Lieutenant Governor of New Jersey who donated land for the site of churches constructed in the area.

The township comprises the unincorporated communities of Budd Lake and Flanders. Located within the Raritan Valley region, Mount Olive is situated in western Morris County bordering both Sussex and Warren counties along the Musconetcong River.