Warren County, New Jersey
Warren County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 112,031 (2024)
ID: 208755
|
County | Official County Government |
Contact: DIRECTOR
165 COUNTY ROAD 519, 1, BELVIDERE NJ 07823-1949
|
|
GUS Population: 15,393 (2024)
ID: 170249
|
Municipal | Municipal Government Within County |
Contact: MAYOR
675 CORLISS AVE, STE 3, PHILLIPSBURG NJ 08865-1698
|
|
GUS Population: 10,182 (2024)
ID: 109128
|
Municipal | Municipal Government Within County |
Contact: MAYOR
215 W STIGER ST, 1, HACKETTSTOWN NJ 07840-1298
|
|
GUS Population: 9,502 (2024)
ID: 208787
|
Township | Municipal Government Within County |
Contact: MAYOR
232 S 3RD ST, PHILLIPSBURG NJ 08865-1812
|
|
TOWNSHIP OF MANSFIELD
GUS Population: 7,889 (2024)
ID: 190907
|
Township | Municipal Government Within County |
Contact: MAYOR
100 PORT MURRAY RD, PORT MURRAY NJ 07865-4020
|
|
GUS Population: 7,375 (2024)
ID: 170250
|
Municipal | Municipal Government Within County |
Contact: MAYOR
100 BELVIDERE AVE, WASHINGTON NJ 07882-1426
|
|
GUS Population: 6,927 (2024)
ID: 130916
|
Township | Municipal Government Within County |
Contact: TOWNSHIP ADMINISTRATOR
211 RTE 31 N, WASHINGTON NJ 07882
|
|
TOWNSHIP OF BLAIRSTOWN
GUS Population: 5,783 (2024)
ID: 170357
|
Township | Municipal Government Within County |
Contact: MAYOR
106 RTE 94, BLAIRSTOWN NJ 07825
|
|
TOWNSHIP OF INDEPENDENCE
GUS Population: 5,651 (2024)
ID: 109174
|
Township | Municipal Government Within County |
Contact: MUNICIPAL CLERK
PO BOX 164, GREAT MEADOWS NJ 07838-0164
|
|
TOWNSHIP OF GREENWICH
GUS Population: 5,528 (2024)
ID: 193754
|
Township | Municipal Government Within County |
Contact: MAYOR
321 GREENWICH STREET, STEWARTSVILLE NJ 08886-2021
|
|
GUS Population: 5,475 (2024)
ID: 130913
|
Township | Municipal Government Within County |
Contact: MAYOR
PO BOX A, ALLAMUCHY NJ 07820-0228
|
|
GUS Population: 4,729 (2024)
ID: 170362
|
Township | Municipal Government Within County |
Contact: TOWNSHIP CLERK
555 COUNTY ROAD 519, BELVIDERE NJ 07823-2680
|
|
TOWNSHIP OF POHATCONG
GUS Population: 3,296 (2024)
ID: 193755
|
Township | Municipal Government Within County |
Contact: MAYOR
50 MUNICIPAL DR, PHILLIPSBURG NJ 08865-7800
|
|
GUS Population: 3,021 (2024)
ID: 109173
|
Township | Municipal Government Within County |
Contact: MUNICIPAL CLERK
PO BOX 547, BROADWAY NJ 08808-0547
|
|
GUS Population: 2,939 (2024)
ID: 170359
|
Township | Municipal Government Within County |
Contact: CLERK
628 STATE ROUTE 94, COLUMBIA NJ 07832-2526
|
|
GUS Population: 2,700 (2024)
ID: 170360
|
Township | Municipal Government Within County |
Contact: MAYOR
349 MOUNTAIN LAKE RD, GREAT MEADOWS NJ 07838-2355
|
|
TOWN OF BELVIDERE
GUS Population: 2,545 (2024)
ID: 130874
|
Municipal | Municipal Government Within County |
Contact: MUNICIPAL CLERK ADMINISTRATOR
691 WATER ST, BELVIDERE NJ 07823-1317
|
|
GUS Population: 2,538 (2024)
ID: 208786
|
Township | Municipal Government Within County |
Contact: MUNICIPAL CLERK
3003 BELVIDERE RD, PHILLIPSBURG NJ 08865-9583
|
|
GUS Population: 2,477 (2024)
ID: 109175
|
Township | Municipal Government Within County |
Contact: OXFORD TOWNSHIP
11 GREEN ST, OXFORD NJ 07863-3262
|
|
GUS Population: 2,357 (2024)
ID: 193742
|
Municipal | Municipal Government Within County |
Contact: BOROUGH CLERK
1001 EAST BLVD, ALPHA NJ 08865-4418
|
|
GUS Population: 2,242 (2024)
ID: 130914
|
Township | Municipal Government Within County |
Contact: MAYOR
210 MAIN ST, JOHNSONBURG NJ 07825-2613
|
|
GUS Population: 1,859 (2024)
ID: 130915
|
Township | Municipal Government Within County |
Contact: MUNICIPAL CLERK
PO BOX 284, HOPE NJ 07844-0284
|
|
GUS Population: 1,623 (2024)
ID: 170358
|
Township | Municipal Government Within County |
Contact: TOWNSHIP CLERK
40 SPRING VALLEY RD, HARDWICK NJ 07825-3324
|