ZIP code · Guilford · New York · United States

ZIP code 13780 — Guilford

ZIP code 13780 serves Guilford, New York.

Postal code: 13780
Single source Value from one source, not cross-checked.
City: Guilford
County: Chenango FIPS 36017
State: New York
Country: United States
Coordinates: 42.4269, -75.4823 — precision precise (locality)
View on OpenStreetMap
Population: 842 (ZCTA, ACS 5-year)
Population density: 37 / sq mi
Land area: 22.8 sq mi (59 km²) (ZCTA, ACS 5-year)
Median household income: $75,278
Per-capita income: $42,253
Median age: 47.1
Households: 330
Housing units: 553
Median home value: $124,100
Congressional district: NY-19 (119th Congress)
USDA hardiness zone: 5b (-15 to -10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/New_York (UTC−5 / UTC−4 DST)
Area code: 607
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Tools: compare 13780 with another ZIP · ZIPs within 25 miles · distance from 13780

Climate — monthly normals

Warmest month Jul (avg high 81°F), coldest Feb (avg low 12°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	32	34	43	57	69	77	81	79	73	60	47	37
Avg low °F	12	12	20	32	43	52	57	55	48	37	27	20
Precip in	3.2	2.7	3.5	3.8	3.6	5.0	4.4	4.4	4.0	3.9	3.2	3.6

NOAA 1991–2020 climate normals from the nearest station: NORWICH (6.2 mi) · NOAA NCEI

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US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page

Map of ZIP code 13780

Climate — monthly normals

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