ZIP code · Girdwood · Alaska · United States
ZIP code 99587 — Girdwood
ZIP code 99587 serves Girdwood, Alaska.
- Postal code
- 99587Single source Value from one source, not cross-checked.
- City
- Girdwood
- County
- Anchorage Municipality FIPS 02020
- State
- Alaska
- Country
- United States
- Coordinates
- 60.9577, -149.1406 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 1,857 (ZCTA, ACS 5-year)
- Population density
- 5 / sq mi
- Land area
- 343.1 sq mi (888.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $154,414
- Per-capita income
- $75,793
- Median age
- 52.2
- Households
- 799
- Housing units
- 1,587
- Median home value
- $672,100
- Congressional district
- AK At-large (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/Anchorage (UTC−9 / UTC−8 DST)
- Area code
- 907Telephone 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 99587 with another ZIP · ZIPs within 25 miles · distance from 99587
Nearby localities
Map of ZIP code 99587
Climate — monthly normals
Warmest month Jul (avg high 67°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 31 | 36 | 46 | 55 | 64 | 67 | 65 | 56 | 44 | 33 | 29 |
| Avg low °F | 17 | 19 | 20 | 29 | 37 | 45 | 50 | 48 | 41 | 32 | 22 | 19 |
| Precip in | 7.3 | 6.6 | 5.4 | 5.3 | 4.0 | 2.2 | 2.7 | 4.9 | 8.3 | 7.8 | 7.7 | 9.0 |
NOAA 1991–2020 climate normals from the nearest station: ALYESKA (1.0 mi) · NOAA NCEI
Places in ZIP 99587
- 1 schools
- 1 hospitals & clinics
- 2 supermarkets
- 12 restaurants & cafés
- 2 bars & pubs
- 16 parks
- 3 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 2 places of worship
- 3 gas stations
- 1 EV charging stations
- 1 police & fire stations
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