Home > ID > Fremont County > Ashton > Zip 83420

Zip Code 83420 — Ashton, ID

83420 is a ZIP Code associated with Ashton, ID, located within Fremont. The postal region supports an estimated population of 2,580 residents across Data Pending housing units, with a population density of 2.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.060010, -111.322430)

Data MetricLocal Statistic
Postal / Zip Code83420
Primary CityAshton
State / ProvinceID
CountyFremont
Total Population2,580
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.4 people/sq mi
TimezoneAmerica/Boise

How 83420 Compares

MetricZIP 83420Fremont CountyID State Average
Population2,58011,7661,933,906
Median IncomeData PendingN/AN/A
Population Density2.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 83421Chester11.5 mi220N/A
Zip 83424Felt12.5 mi168N/A
Zip 83436Newdale15.6 mi778N/A
Zip 83452Tetonia16.4 mi2,237N/A
Zip 83445Saint Anthony20.3 mi7,975N/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 →