Parsippany–Troy Hills, New Jersey

Parsippany–Troy Hills, commonly known as Parsippany ( ), is a township in Morris County, in the northern portion of the U.S. state of New Jersey. As of the 2020 United States Census, the township's population was 56,162, an increase of 2,924 (+5.5%) from the 2010 census count of 53,238, which in turn had reflected an increase of 2,589 (+5.1%) from the 50,649 counted at the 2000 census.

The name Parsippany comes from the LenapeNative American sub-tribe, which comes from the word parsipanong, which means "the place where the river winds through the valley." Parsippany–Troy Hills is the most populous municipality in Morris County. The name Troy Hills was changed from Troy to avoid confusion of mail being sent erroneously to Troy, New York.

Parsippany–Troy Hills was incorporated as a township by an act of the New Jersey Legislature on March 12, 1928, from portions of Hanover Township, based on the results of a referendum held on May 9, 1928, that split off both East Hanover Township and Parsippany–Troy Hills from Hanover Township.

Since 2006, Parsippany–Troy Hills appeared eight times on Money magazine's list of "Best Places to Live in the United States", ranking 17th-best in 2006, 13th-best in 2008, 15th-best in 2012, 17th-best in 2014, fifth-best in 2016, 33rd-best in 2017, 26th-best in 2018, and 15th-best in 2022.