Home > ID > Madison County > Rexburg > Zip 83440

Zip Code 83440 — Rexburg, ID

83440 is a ZIP Code associated with Rexburg, ID, located within Madison. The postal region supports an estimated population of 51,421 residents across Data Pending housing units, with a population density of 109.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.810920, -111.807790)

Data MetricLocal Statistic
Postal / Zip Code83440
Primary CityRexburg
State / ProvinceID
CountyMadison
Total Population51,421
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density109.3 people/sq mi
TimezoneAmerica/Boise

How 83440 Compares

MetricZIP 83440Madison CountyID State Average
Population51,42156,6131,933,906
Median IncomeData PendingN/AN/A
Population Density109.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 83460Rexburg1.3 mi56N/A
Zip 83448Sugar City5.8 mi3,365N/A
Zip 83451Teton9.4 mi993N/A
Zip 83438Parker10.6 mi327N/A
Zip 83434Menan10.7 mi1,816N/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 →