Morris County
Morris County is a county located in the U.S. state of New Jersey, about 30 mi (48 km) west of New York City. According to the 2020 census, the county was the state's tenth-most populous county, with a population of 509,285, its highest decennial count ever and an increase of 17,009 (+3.5%) from the 2010 census count of 492,276, which in turn reflected an increase of 22,064 (+11.6%) from the 470,212 counted in the 2000 census. The United States Census Bureau's Population Estimates Program estimated a 2025 population of 524,251, an increase of 14,966 (+2.9%) from the 2020 decennial census. Morris County is part of the New York metropolitan area and is divided into 39 municipalities, with many commuter towns but no large cities. Its county seat is Morristown, in the southeast. The most populous place was Parsippany-Troy Hills, with 56,162 residents at the time of the 2020 census, while Rockaway Township covered 45.55 square miles (118.0 km2), the largest total area of any municipality. The county is part of the North Jersey region of the state.
Governance bodies
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Cities and towns 19
- Borough of Butler pop. 8,116
- Borough of Chatham pop. 9,253
- Borough of Chester pop. 1,672
- Borough of Florham Park pop. 13,149
- Borough of Kinnelon pop. 9,965
- Borough of Lincoln Park pop. 10,900
- Borough of Madison pop. 16,948
- Borough of Mendham pop. 4,973
- Borough of Morris Plains pop. 6,135
- Borough of Mount Arlington pop. 5,905
- Borough of Mountain Lakes pop. 4,565
- Borough of Netcong pop. 3,658
- Borough of Riverdale pop. 4,103
- Borough of Rockaway pop. 6,587
- Borough of Victory Gardens pop. 1,580
- Borough of Wharton pop. 7,239
- Town of Boonton pop. 8,802
- Town of Dover pop. 18,427
- Town of Morristown pop. 20,276
Townships 20
- Township of Boonton pop. 4,380
- Township of Chatham pop. 10,935
- Township of Chester pop. 7,709
- Township of Denville pop. 17,100
- Township of East Hanover pop. 11,094
- Township of Hanover pop. 14,640
- Township of Harding pop. 3,877
- Township of Jefferson pop. 20,495
- Township of Long Hill pop. 8,607
- Township of Mendham pop. 6,006
- Township of Mine Hill pop. 3,996
- Township of Montville pop. 22,409
- Township of Morris pop. 23,237
- Township of Mount Olive pop. 28,895
- Township of Parsippany-Troy Hills pop. 56,120
- Township of Pequannock pop. 15,552
- Township of Randolph pop. 26,480
- Township of Rockaway pop. 25,869
- Township of Roxbury pop. 23,161
- Township of Washington pop. 18,166
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 109043
- FIPS state
- 34
- FIPS county
- 027
- FIPS place
- 99027
- Census record name
- COUNTY OF MORRIS
- Mailing address
- PO BOX 900, MORRISTOWN 07963