Home > AK > Matanuska-Susitna County > Willow > Zip 99688

Zip Code 99688 — Willow, AK

99688 is a ZIP Code associated with Willow, AK, located within Matanuska-Susitna. The postal region supports an estimated population of 2,739 residents across Data Pending housing units, with a population density of 0.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (61.894120, -150.047490)

Data MetricLocal Statistic
Postal / Zip Code99688
Primary CityWillow
State / ProvinceAK
CountyMatanuska-Susitna
Total Population2,739
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.6 people/sq mi
TimezoneAmerica/Anchorage

How 99688 Compares

MetricZIP 99688Matanuska-Susitna CountyAK State Average
Population2,739113,116735,134
Median IncomeData PendingN/AN/A
Population Density0.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99694Houston20.4 mi1,516N/A
Zip 99652Big Lake25.6 mi4,313N/A
Zip 99654Wasilla28.7 mi44,647N/A
Zip 99623Wasilla32.4 mi23,424N/A
Zip 99683Trapper Creek40.4 mi583N/A

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 →