| Official Name: | Parsippany, New Jersey |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA New Jersey Morris County#USA New Jersey#USA |
| Pushpin Label: | Parsippany CDP |
| Pushpin Map Caption: | Location in Morris County##Location in New Jersey##Location in the United States |
| Pushpin Relief: | yes |
| Coordinates: | 40.8572°N -74.4269°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Morris |
| Subdivision Type3: | Township |
| Subdivision Name3: | Parsippany-Troy Hills |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 6.87 |
| Area Land Sq Mi: | 6.09 |
| Area Water Sq Mi: | 0.78 |
| Area Total Km2: | 17.79 |
| Area Land Km2: | 15.76 |
| Area Water Km2: | 2.03 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 22778 |
| Population Density Sq Mi: | 3742.69 |
| Population Density Km2: | 1444.97 |
| Timezone: | Eastern (EST) |
| Utc Offset: | −05:00 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −04:00 |
| Elevation Ft: | 330 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 07054 |
| Area Code: | 973/862 |
| Blank Name: | FIPS code |
| Blank Info: | [3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2806163 |
Parsippany is a census-designated place (CDP)[4] and the central community in the township of Parsippany–Troy Hills, Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the population was 22,778,[2] out of 56,162 in the entire township. It includes development around Lake Parsippany, as well as neighborhoods in the eastern part of the township, between Troy Hills to the south and Lake Hiawatha to the northeast. The southern end of Boonton Reservoir is also in the CDP. In common usage, "Parsippany" usually applies to the entire township.
The Parsippany CDP is bordered to the south and east by Troy Hills, to the northeast by Lake Hiawatha, and to the west by Rainbow Lakes, all in Parsippany-Troy Hills Township. It is also bordered by the borough of Mountain Lakes to the northwest and by Whippany in Hanover Township to the south.
Interstate 80 and Interstate 287 intersect in the center of the CDP. I-80 leads east to its terminus at Interstate 95 in Teaneck and west to the Delaware Water Gap, while I-287 leads northeast to Suffern, New York, and southwest to Somerville. U.S. Route 202 passes through the center and western parts of the CDP, leading north 3miles to Boonton and southwest 5miles to Morris Plains. U.S. Route 46 also passes through the center of the CDP, leading east 4miles to Pine Brook and northwest 5miles to Rockaway.
According to the U.S. Census Bureau, the Parsippany CDP has a total area of 6.87sqmi, of which 6.09sqmi are land and 0.78sqmi, or 11.41%, are water.[1] Boonton Reservoir, in the north part of the CDP, drains north into the Rockaway River near Boonton. Lake Parsippany is in the southwest part of the CDP and drains southeast into Eastmans Brook. The entire CDP is within the watershed of the Passaic River.
Parsippany was first listed as a CDP prior to the 2020 census.