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Zip Code 51638 — Essex, IA

51638 is a ZIP Code associated with Essex, IA, located within Page. The postal region supports an estimated population of 1,258 residents across Data Pending housing units, with a population density of 6.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.839190, -95.266630)

Data MetricLocal Statistic
Postal / Zip Code51638
Primary CityEssex
State / ProvinceIA
CountyPage
Total Population1,258
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density6.0 people/sq mi
TimezoneAmerica/Chicago

How 51638 Compares

MetricZIP 51638Page CountyIA State Average
Population1,25814,9533,210,984
Median IncomeData PendingN/AN/A
Population Density6.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51645Imogene8.7 mi419N/A
Zip 51601Shenandoah8.8 mi5,629N/A
Zip 51656Yorktown9.3 mi57N/A
Zip 51636Coin12.0 mi455N/A
Zip 51566Red Oak12.3 mi7,010N/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 →