Home > AK > Matanuska-Susitna County > Wasilla > Zip 99623

Zip Code 99623 — Wasilla, AK

ZIP Code 99623 is associated with Wasilla, AK, in Matanuska-Susitna County. The listed population estimate is 23,424; estimated density is 35.0 people per square mile. Among records with population estimates, it ranks #3 of 11 in Matanuska-Susitna County and #10 of 236 in AK.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (61.429190, -149.912260)

Data MetricLocal Statistic
Postal / Zip Code99623
Primary CityWasilla
State / ProvinceAK
CountyMatanuska-Susitna
Total Population23,424
Population Density35.0 people/sq mi
TimezoneAmerica/Anchorage

How 99623 Compares

MetricZIP 99623Matanuska-Susitna County recordsAK records
Population estimate23,424113,116 (sum)735,134 (sum)
Population Density35.0 /sq mi----
County population rank#3 of 11----
State population rank#10 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 99652Big Lake6.9 mi4,313
ZIP 99506Jber11.9 mi7,028
ZIP 99694Houston13.4 mi1,516
ZIP 99505Jber13.7 mi5,015
ZIP 99501Anchorage14.6 mi16,175

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 →