Zip Code 83445 — Saint Anthony, ID

ZIP Code 83445 is associated with Saint Anthony, ID, in Fremont County. The listed population estimate is 7,975; estimated density is 10.2 people per square mile. Among records with population estimates, it ranks #1 of 6 in Fremont County and #55 of 276 in ID.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.070140, -111.730750)

Data MetricLocal Statistic
Postal / Zip Code83445
Primary CitySaint Anthony
State / ProvinceID
CountyFremont
Total Population7,975
Population Density10.2 people/sq mi
TimezoneAmerica/Boise

How 83445 Compares

MetricZIP 83445Fremont County recordsID records
Population estimate7,97511,766 (sum)1,933,906 (sum)
Population Density10.2 /sq mi----
County population rank#1 of 6----
State population rank#55 of 276----

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 ID

ZIP CodeCityDistancePopulation estimate
ZIP 83438Parker7.8 mi327
ZIP 83421Chester10.5 mi220
ZIP 83451Teton14.9 mi993
ZIP 83448Sugar City15.2 mi3,365
ZIP 83460Rexburg17.7 mi56

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 →