Home > AK > Matanuska-Susitna County > Cantwell > Zip 99729

Zip Code 99729 — Cantwell, AK

99729 is a ZIP Code associated with Cantwell, AK, located within Matanuska-Susitna. 99729 ranks #11 out of 11 ZIP codes in Matanuska-Susitna County by population (and #177 out of 245 in AK). The area supports an estimated population of 128 residents across Data Pending housing units, with a population density of Data Pending people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (63.226860, -148.101220)

Data MetricLocal Statistic
Postal / Zip Code99729
Primary CityCantwell
State / ProvinceAK
CountyMatanuska-Susitna
Total Population128
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Anchorage

How 99729 Compares

MetricZIP 99729Matanuska-Susitna CountyAK State Average
Population128113,116 (Total)735,134 (Total)
Average ZIP IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----
County Pop Rank#11 of 11----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99755Denali National Park40.1 mi987N/A
Zip 99676Talkeetna70.3 mi1,628N/A
Zip 99743Healy73.1 mi652N/A
Zip 99588Glennallen75.5 mi1,037N/A
Zip 99704Clear80.8 mi20N/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 →