West Orange is a suburban township in Essex County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 48,843, an increase of 2,636 (+5.7%) from the 2010 census count of 46,207, which in turn reflected an increase of 1,264 (+2.8%) from the 44,943 counted in the 2000 census.

East Orange is a city in Essex County, in the U.S. state of New Jersey. As of the 2020 United States census, the city's population was 69,612, an increase of 5,342 (+8.3%) from the 2010 census count of 64,270, which in turn reflected a decline of 5,554 (−8.0%) from the 69,824 counted in the 2000 census. The city was the state's 17th most populous municipality in 2020, after having been ranked 20th in 2010 and 14th statewide in 2000. The Census Bureau's Population Estimates Program calculated that the city's population was 68,446 in 2022, ranking the city the 553rd-most-populous in the country.