Forma parte del Área metropolitana de Nueva York.

Las ciudades más importantes del condado son Boonton, Dover y Morristown.

Entre ellas se encuentran AT&T, Honeywell, Colgate-Palmolive, Pfizer, ExxonMobil, Novartis, Basf, Verizon, Bayer y Wyeth.

Según el censo de 2000,[4]​ habían 470,212 personas, 169,711 hogares y 124,907 familias residiendo en el condado.

Butler | Chatham | Chester | Florham Park | Kinnelon | Lincoln Park | Madison | Mendham | Morris Plains | Mount Arlington | Mountain Lakes | Netcong | Riverdale | Rockaway | Victory Gardens | Wharton Boonton | Dover | Morristown Boonton | Chatham | Chester | Denville | East Hanover | Hanover | Harding | Jefferson | Long Hill | Mendham | Mine Hill | Montville | Morris | Mount Olive | Parsippany-Troy Hills | Pequannock | Randolph | Rockaway | Roxbury | Washington Budd Lake | Lake Telemark | Long Valley | Succasunna | Kenvil | White Meadow Lake Brookside | Cedar Knolls | Cedar Lake | Convent Station | Flanders | Gillette | Green Pond | Green Village | Hibernia | Lake Hiawatha | Lake Swannanoa | Landing | Ledgewood | Mount Freedom | Millington | Mount Tabor | New Vernon | Oak Ridge | Pine Brook | Port Morris | Schooley's Mountain | Shongum | Speedwell | Stirling | Towaco | Union Hill | Vasa Park | Whippany