Zip Code 99503 — Anchorage, AK

ZIP Code 99503 is associated with Anchorage, AK, in Bethel County. The listed population estimate is 12,964; estimated density is 242.1 people per square mile. Among records with population estimates, it ranks #1 of 27 in Bethel County and #20 of 236 in AK.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (61.907440, -156.852030)

Data MetricLocal Statistic
Postal / Zip Code99503
Primary CityAnchorage
State / ProvinceAK
CountyBethel
Total Population12,964
Population Density242.1 people/sq mi
TimezoneAmerica/Anchorage

How 99503 Compares

MetricZIP 99503Bethel County recordsAK records
Population estimate12,96431,304 (sum)735,134 (sum)
Population Density242.1 /sq mi----
County population rank#1 of 27----
State population rank#20 of 236----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in AK

ZIP CodeCityDistancePopulation estimate
ZIP 99656Red Devil18.7 mi3
ZIP 99668Sleetmute19.8 mi48
ZIP 99575Crooked Creek41.1 mi17
ZIP 99557Aniak44.8 mi714
ZIP 99675Takotna78.2 mi15

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →