Jefferson County, New York
Jefferson 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: 113,140 (2024)
ID: 170423
|
County | Official County Government |
Contact: COUNTY ADMINISTRATOR
195 ARSENAL ST, WATERTOWN NY 13601-2591
|
|
GUS Population: 24,274 (2024)
ID: 190990
|
Township | Municipal Government Within County |
Contact: ADM CLERK TO THE SUPERVISOR
8650 LERAY ST, EVANS MILLS NY 13637-3191
|
|
GUS Population: 24,038 (2024)
ID: 212228
|
Municipal | Municipal Government Within County |
Contact: CITY MANAGER
245 WASHINGTON ST, WATERTOWN NY 13601-3475
|
|
TOWN OF BROWNVILLE
GUS Population: 5,768 (2024)
ID: 170854
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
16431 STAR SCHOOL HOUSE RD, DEXTER NY 13634-4022
|
|
TOWN OF WILNA
GUS Population: 5,598 (2024)
ID: 208897
|
Township | Municipal Government Within County |
Contact: TOWN OF WILNA SUPERVISOR
414 STATE ST, CARTHAGE NY 13619-1414
|
|
TOWN OF WATERTOWN
GUS Population: 5,464 (2024)
ID: 131369
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
22867 COUNTY ROUTE 67, WATERTOWN NY 13601-9362
|
|
GUS Population: 4,893 (2024)
ID: 186680
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
3 SOUTH MAIN STREET, ADAMS NY 13605
|
|
GUS Population: 4,631 (2024)
ID: 131366
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
405 RIVERSIDE DR, CLAYTON NY 13624-1024
|
|
GUS Population: 4,497 (2024)
ID: 208895
|
Township | Municipal Government Within County |
Contact: FINANCIAL DIRECTOR
10 N BROAD ST, CARTHAGE NY 13619-9645
|
|
TOWN OF ALEXANDRIA
GUS Population: 3,685 (2024)
ID: 204994
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
46372 COUNTY ROUTE 1, ALEXANDRIA BAY NY 13607-2170
|
|
TOWN OF ELLISBURG
GUS Population: 3,311 (2024)
ID: 109652
|
Township | Municipal Government Within County |
Contact: CLERK TO SUPERVISOR
16335 COUNTY ROUTE 85, ADAMS NY 13605-2257
|
|
TOWN OF PAMELIA
GUS Population: 3,274 (2024)
ID: 170859
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
25859 STATE ROUTE 37, WATERTOWN NY 13601-5794
|
|
GUS Population: 3,257 (2024)
ID: 204960
|
Municipal | Municipal Government Within County |
Contact: CLERK/TREASURER
120 S MECHANIC ST, STE 1, CARTHAGE NY 13619-1627
|
|
TOWN OF HOUNSFIELD
GUS Population: 3,237 (2024)
ID: 170857
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
18774 COUNTY ROUTE 66, STE 1, WATERTOWN NY 13601-5533
|
|
TOWN OF RUTLAND
GUS Population: 2,982 (2024)
ID: 131368
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
28411 NYS RTE 126, BLACK RIVER NY 13612
|
|
GUS Population: 2,764 (2024)
ID: 131367
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 187, LA FARGEVILLE NY 13656-0187
|
|
GUS Population: 2,622 (2024)
ID: 170860
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
215 RIVERSIDE AVE, THERESA NY 13691-2116
|
|
GUS Population: 2,541 (2024)
ID: 170855
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
PO BOX 680, CAPE VINCENT NY 13618-0680
|
|
GUS Population: 2,236 (2024)
ID: 109653
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 66, CHAUMONT NY 13622-0066
|
|
TOWN OF PHILADELPHIA
GUS Population: 1,952 (2024)
ID: 208896
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
33019 US ROUTE 11, PHILADELPHIA NY 13673-2501
|
|
GUS Population: 1,749 (2024)
ID: 170519
|
Municipal | Municipal Government Within County |
Contact: VILLAGE MAYOR
61 HIGH ST, CARTHAGE NY 13619-1300
|
|
GUS Population: 1,689 (2024)
ID: 170513
|
Municipal | Municipal Government Within County |
Contact: CLERK
PO BOX 250, CLAYTON NY 13624-0250
|
|
GUS Population: 1,671 (2024)
ID: 186639
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
3 S MAIN ST, ADAMS NY 13605-1157
|
|
TOWN OF ANTWERP
GUS Population: 1,665 (2024)
ID: 208894
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 658, ANTWERP NY 13608-0658
|
|
TOWN OF HENDERSON
GUS Population: 1,424 (2024)
ID: 170856
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
12105 TOWN BARN RD, HENDERSON NY 13650
|
|
VILLAGE OF SACKETS HARBOR
GUS Population: 1,364 (2024)
ID: 170518
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 335, SACKETS HARBOR NY 13685-0335
|
|
VILLAGE OF BLACK RIVER
GUS Population: 1,236 (2024)
ID: 190962
|
Municipal | Municipal Government Within County |
Contact: VILLAGE MAYOR
107 JEFFERSON PL, BLACK RIVER NY 13612-2302
|
|
GUS Population: 1,181 (2024)
ID: 109654
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 523, RODMAN NY 13682-0523
|
|
VILLAGE OF PHILADELPHIA
GUS Population: 1,143 (2024)
ID: 170517
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 70, PHILADELPHIA NY 13673-0070
|
|
VILLAGE OF DEXTER
GUS Population: 1,011 (2024)
ID: 131233
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 62, DEXTER NY 13634-0062
|
|
GUS Population: 942 (2024)
ID: 208820
|
Municipal | Municipal Government Within County |
Contact: CLERK
110 WALTON ST, ALEXANDRIA BAY NY 13607
|
|
GUS Population: 928 (2024)
ID: 208821
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 118, BROWNVILLE NY 13615-0118
|
|
GUS Population: 904 (2024)
ID: 170858
|
Township | Municipal Government Within County |
Contact: VINCENT MOORE
PO ABOX 56, LORRAINE NY 13659
|
|
VILLAGE OF THERESA
GUS Population: 742 (2024)
ID: 204961
|
Municipal | Municipal Government Within County |
Contact: VILLAGE MAYOR
PO BOX 299, THERESA NY 13691-0299
|
|
GUS Population: 727 (2024)
ID: 170512
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 337, CAPE VINCENT NY 13618-0337
|
|
VILLAGE OF EVANS MILLS
GUS Population: 613 (2024)
ID: 170520
|
Municipal | Municipal Government Within County |
Contact: CLERK-TREASURER
PO BOX 176, EVANS MILLS NY 13637-0176
|
|
VILLAGE OF CHAUMONT
GUS Population: 595 (2024)
ID: 109513
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 297, CHAUMONT NY 13622-0297
|
|
GUS Population: 512 (2024)
ID: 170511
|
Municipal | Municipal Government Within County |
Contact: CLERK/TREASURER
PO BOX 620, ANTWERP NY 13608-0620
|
|
VILLAGE OF GLEN PARK
GUS Population: 445 (2024)
ID: 170515
|
Municipal | Municipal Government Within County |
Contact: VILLAGE TREASURER VILLAGE CLERK
642 MAIN ST, GLEN PARK NY 13601-1067
|
|
VILLAGE OF MANNSVILLE
GUS Population: 320 (2024)
ID: 131234
|
Municipal | Municipal Government Within County |
Contact: CLERK-TREASURER
PO BOX 153, MANNSVILLE NY 13661-0153
|
|
GUS Population: 256 (2024)
ID: 170514
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 206, DEFERIET NY 13628-0206
|
|
VILLAGE OF ELLISBURG
GUS Population: 211 (2024)
ID: 202195
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 116, ELLISBURG NY 13636-0116
|
|
TOWN OF WORTH
GUS Population: 199 (2024)
ID: 170861
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
24750 MACKLIN RD, LORRAINE NY 13659-3150
|