ZIP code · Homer · Alaska · United States

ZIP code 99603 — Homer

ZIP code 99603 serves Homer, Alaska.

Postal code
99603
Single source Value from one source, not cross-checked.
City
Homer
County
Kenai Peninsula FIPS 02122
State
Alaska
Country
United States
Coordinates
59.5374, -151.2356 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
11,557 (ZCTA, ACS 5-year)
Population density
11 / sq mi
Land area
1,068.8 sq mi (2,768.3 km²) (ZCTA, ACS 5-year)
Median household income
$76,368
Per-capita income
$41,904
Median age
39.7
Households
4,599
Housing units
6,251
Median home value
$345,600
Median gross rent
$1,236 / month
Congressional district
AK At-large (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Anchorage (UTC−9 / UTC−8 DST)
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 63°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323537465459636357473834
Avg low °F192223313845494842332521
Precip in2.11.81.31.10.80.91.42.33.32.62.93.3

NOAA 1991–2020 climate normals from the nearest station: HOMER AP (11.5 mi) · NOAA NCEI

Places in ZIP 99603

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