Home > ID > Boise County > Idaho City > Zip 83631

Zip Code 83631 — Idaho City, ID

83631 is a ZIP Code associated with Idaho City, ID, located within Boise. The postal region supports an estimated population of 1,916 residents across Data Pending housing units, with a population density of 4.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.885430, -115.773690)

Data MetricLocal Statistic
Postal / Zip Code83631
Primary CityIdaho City
State / ProvinceID
CountyBoise
Total Population1,916
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.4 people/sq mi
TimezoneAmerica/Boise

How 83631 Compares

MetricZIP 83631Boise CountyID State Average
Population1,9166,0531,933,906
Median IncomeData PendingN/AN/A
Population Density4.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 83666Placerville11.3 mi30N/A
Zip 83716Boise15.8 mi21,402N/A
Zip 83622Garden Valley16.3 mi2,132N/A
Zip 83629Horseshoe Bend19.8 mi1,749N/A
Zip 83602Banks23.7 miN/AN/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 →