Sullivan County, New York
Sullivan 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: 80,450 (2024)
ID: 131198
|
County | Official County Government |
Contact: COUNTY MANAGER
PO BOX 5012, MONTICELLO NY 12701-5192
|
|
GUS Population: 16,736 (2024)
ID: 171031
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
4052 RTE 42, MONTICELLO NY 12701
|
|
TOWN OF FALLSBURG
GUS Population: 15,019 (2024)
ID: 208921
|
Township | Municipal Government Within County |
Contact: TOWN SECRETARY
PO BOX 2019, SOUTH FALLSBURG NY 12779-2019
|
|
TOWN OF MAMAKATING
GUS Population: 12,721 (2024)
ID: 208923
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
2948 RTE 209, WURTSBORO NY 12790
|
|
GUS Population: 10,385 (2024)
ID: 208922
|
Township | Municipal Government Within County |
Contact: TOWN CLERK
120 N MAIN ST, LIBERTY NY 12754-1893
|
|
GUS Population: 7,228 (2024)
ID: 170661
|
Municipal | Municipal Government Within County |
Contact: MAYOR
2 PLEASANT ST, MONTICELLO NY 12701-1408
|
|
GUS Population: 5,136 (2024)
ID: 186662
|
Municipal | Municipal Government Within County |
Contact: MAYOR
167 N MAIN ST, LIBERTY NY 12754-1864
|
|
GUS Population: 4,210 (2024)
ID: 211396
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
PO BOX 300, 3454 ROUTE 55, WHITE LAKE NY 12786-0300
|
|
GUS Population: 3,382 (2024)
ID: 131441
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
PO BOX 307, GRAHAMSVILLE NY 12740-0307
|
|
TOWN OF ROCKLAND
GUS Population: 3,346 (2024)
ID: 171030
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
PO BOX 964, LIVINGSTON MANOR NY 12758-0964
|
|
GUS Population: 3,052 (2024)
ID: 212077
|
Township | Municipal Government Within County |
Contact: SUPERVISORS BOOKKEEPER
PO BOX 687, JEFFERSONVILLE NY 12748-0687
|
|
TOWN OF LUMBERLAND
GUS Population: 2,305 (2024)
ID: 139400
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
1054 PROCTOR RD, GLEN SPEY NY 12737-5581
|
|
GUS Population: 2,226 (2024)
ID: 171029
|
Township | Municipal Government Within County |
Contact: BOOKKEEPER/SECRETARY
PO BOX 177, ELDRED NY 12732-0177
|
|
GUS Population: 2,209 (2024)
ID: 171028
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
PO BOX 129, HORTONVILLE NY 12745-0129
|
|
GUS Population: 1,446 (2024)
ID: 192174
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 195, NARROWSBURG NY 12764-0195
|
|
GUS Population: 1,442 (2024)
ID: 131439
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 295, LAKE HUNTINGTON NY 12752-0295
|
|
TOWN OF FREMONT
GUS Population: 1,150 (2024)
ID: 131440
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
PO BOX 69, FREMONT CENTER NY 12736-0069
|
|
VILLAGE OF WURTSBORO
GUS Population: 1,086 (2024)
ID: 170662
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
PO BOX 157, WURTSBORO NY 12790-0157
|
|
VILLAGE OF BLOOMINGBURG
GUS Population: 978 (2024)
ID: 170659
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 341, BLOOMINGBURG NY 12721-0341
|
|
TOWN OF FORESTBURGH
GUS Population: 821 (2024)
ID: 109710
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
332 KING RD, FORESTBURGH NY 12777-6523
|
|
VILLAGE OF WOODRIDGE
GUS Population: 709 (2024)
ID: 204977
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLIENT
PO BOX 655, WOODRIDGE NY 12789-0655
|
|
VILLAGE OF JEFFERSONVILLE
GUS Population: 391 (2024)
ID: 170660
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURERE
PO BOX 555, JEFFERSONVILLE NY 12748
|