ZIP code · Koyukuk · Alaska · United States

ZIP code 99754 — Koyukuk

ZIP code 99754 serves Koyukuk, Alaska.

Postal code
99754
Single source Value from one source, not cross-checked.
City
Koyukuk
County
Yukon-Koyukuk (CA) FIPS 02290
State
Alaska
Country
United States
Coordinates
64.8803, -157.7008 — precision precise (locality)
View on OpenStreetMap
Population
44 (ZCTA, ACS 5-year)
Population density
8 / sq mi
Land area
5.7 sq mi (14.9 km²) (ZCTA, ACS 5-year)
Median household income
$28,250
Per-capita income
$22,730
Median age
55
Households
35
Housing units
52
Median home value
$110,000
Congressional district
AK At-large (119th Congress)
USDA hardiness zone
2a (-50 to -45 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Area code
907
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.

Nearby localities

Climate — monthly normals

Warmest month Jul (avg high 69°F), coldest Jan (avg low -17°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F-391938576969625231123
Avg low °F-17-10-517354751463520-1-12
Precip in0.60.80.60.30.41.62.02.51.81.21.20.9

NOAA 1991–2020 climate normals from the nearest station: GALENA (26.1 mi) · NOAA NCEI

Places in ZIP 99754

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