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Putnam County, New York

Putnam 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: 98,409 (2024)
ID: 194485
County Official County Government
Contact: DEPUTY COMMISSIONER OF PLANNING
841 FAIR STREET, CARMEL NY 10512-3012
GUS Population: 33,992 (2024)
ID: 109687
Township Municipal Government Within County
Contact: ENG PROJECTS COORDINATOR
60 MCALPIN AVE, MAHOPAC NY 10541-2360
GUS Population: 18,340 (2024)
ID: 170960
Township Municipal Government Within County
Contact: SUPERVISOR
1360 ROUTE 22, BREWSTER NY 10509-6407
GUS Population: 12,861 (2024)
ID: 131414
Township Municipal Government Within County
Contact: TOWN SUPERVISOR
25 SYBILS XING, KENT LAKES NY 10512-4744
GUS Population: 11,744 (2024)
ID: 131415
Township Municipal Government Within County
Contact: SUPERVISOR
265 OSCAWANA LAKE RD, PUTNAM VALLEY NY 10579-2045
GUS Population: 11,591 (2024)
ID: 139394
Township Municipal Government Within County
Contact: TOWN SUPERVISOR
PO BOX 470, PATTERSON NY 12563-0470
GUS Population: 9,881 (2024)
ID: 170959
Township Municipal Government Within County
Contact: TOWN OF PHILPSTOWN
PO BOX 155, 238 MAIN ST, COLD SPRING NY 10516
GUS Population: 2,504 (2024)
ID: 170605
Municipal Municipal Government Within County
Contact: RECORDS MANAGEMENT OFFICER
50 MAIN ST, STE B, BREWSTER NY 10509-6400
GUS Population: 1,995 (2024)
ID: 109559
Municipal Municipal Government Within County
Contact: VILLAGE CLERK
85 MAIN ST, COLD SPRING NY 10516-2810
GUS Population: 631 (2024)
ID: 212075
Municipal Municipal Government Within County
Contact: VILLAGE MAYOR
258 MAIN ST, NELSONVILLE NY 10516-1405