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County ZIP codes · New York · FIPS 36041

Hamilton County, NY ZIP Codes

Hamilton County, New York has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 13 of the residential ones lie mainly in Hamilton County and 1 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Hamilton County?

12032 · Caroga Lake: $66k12108 · Lake Pleasant: $56k12134 · Northville: $78k12139 · Piseco: $72k12164 · Speculator: $62k12190 · Wells: $74k12812 · Blue Mountain Lake: $156k12842 · Indian Lake: $59k12847 · Long Lake: $71k12864 · Sabael: –13331 · Eagle Bay: $61k13353 · Hoffmeister: $82k13360 · Inlet: $108k13436 · Raquette Lake: $73k1284712190121391213412842133531333112164120321281212108134361336012032 · Caroga Lake: $66k12108 · Lake Pleasant: $56k12134 · Northville: $78k12139 · Piseco: $72k12164 · Speculator: $62k12190 · Wells: $74k12812 · Blue Mountain Lake: $156k12842 · Indian Lake: $59k12847 · Long Lake: $71k12864 · Sabael: –13331 · Eagle Bay: $61k13353 · Hoffmeister: $82k13360 · Inlet: $108k13436 · Raquette Lake: $73k12847121901213912134128421335313331121641203212812134361336012032 · Caroga Lake: $66k12108 · Lake Pleasant: $56k12134 · Northville: $78k12139 · Piseco: $72k12164 · Speculator: $62k12190 · Wells: $74k12812 · Blue Mountain Lake: $156k12842 · Indian Lake: $59k12847 · Long Lake: $71k12864 · Sabael: –13331 · Eagle Bay: $61k13353 · Hoffmeister: $82k13360 · Inlet: $108k13436 · Raquette Lake: $73k12847121901213912134128421333112164120321281213436
The residential ZIP codes of Hamilton County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 14 residential ZIP codes in Hamilton County

13 ZIP codes lie mainly in Hamilton County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Hamilton County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
12134 Northville 3,846 20 $78k $223k 65%
12842 Indian Lake 995 6 $59k $220k 100%
12847 Long Lake 740 2 $71k $276k 92%
12190 Wells 671 4 $74k $269k 100%
12032 Caroga Lake 662 7 $66k $182k 58%
12164 Speculator 539 5 $62k $227k 100%
12108 Lake Pleasant 350 5 $56k $339k 100%
12812 Blue Mountain Lake 265 3 $156k $412k 100%
12139 Piseco 227 1 $72k $260k 100%
13360 Inlet 227 4 $108k $344k 100%
13436 Raquette Lake 135 4 $73k $350k 100%
13353 Hoffmeister 63 0 $82k $129k 100%
12864 Sabael 8 38 – – 100%

Partly in Hamilton County

Residential ZIP codes mainly in another county that reach at least 1% into Hamilton County, by their share here
In this county
13331 Eagle Bay 204 1 $61k $283k 1%

Download the 14 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

4 ZIP codes of Hamilton County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Hamilton County and in the neighboring counties
ZIPIn HamiltonElsewhere
1213465%Saratoga County27%; Fulton County8%
1284792%St. Lawrence County8%
1203258%Fulton County42%
133311%Herkimer County99%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Hamilton County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hamilton County's ZIP codes use 5 prefixes: 120, 121, 128, 133 and 134.

Three-digit prefixes of Hamilton County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Hamilton County's
PrefixSectional centerHereAll codes
120Albany, NY (SCF 120)171
121Albany, NY (SCF 120)573
128Albany, NY (SCF 120)467
133Syracuse, NY (SCF 130)355
134Syracuse, NY (SCF 130)168

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.