ZIP code · De Kalb Junction · New York · United States

ZIP code 13630 — De Kalb Junction

ZIP code 13630 serves De Kalb Junction, New York.

Postal code
13630
Single source Value from one source, not cross-checked.
City
De Kalb Junction
County
St. Lawrence FIPS 36089
State
New York
Country
United States
Coordinates
44.4896, -75.2871 — precision precise (locality)
View on OpenStreetMap
Population
1,307 (ZCTA, ACS 5-year)
Population density
29 / sq mi
Land area
45.8 sq mi (118.7 km²) (ZCTA, ACS 5-year)
Median household income
$67,000
Per-capita income
$28,896
Median age
42.2
Households
412
Housing units
455
Median home value
$85,100
Congressional district
NY-21 (119th Congress)
USDA hardiness zone
4b (-25 to -20 °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 codes
315, 680 (from the nearest rate centre)
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.

Climate — monthly normals

Warmest month Jul (avg high 80°F), coldest Jan (avg low 7°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F273039536775807871584534
Avg low °F7819334555595749382816
Precip in2.22.02.33.03.13.83.93.43.94.82.92.6

NOAA 1991–2020 climate normals from the nearest station: CANTON 4 SE (10.6 mi) · NOAA NCEI

Places in ZIP 13630

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

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