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Zip Code 51234 — Boyden, IA

51234 is a ZIP Code associated with Boyden, IA, located within Sioux. The postal region supports an estimated population of 1,172 residents across Data Pending housing units, with a population density of 9.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.194120, -96.019920)

Data MetricLocal Statistic
Postal / Zip Code51234
Primary CityBoyden
State / ProvinceIA
CountySioux
Total Population1,172
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density9.1 people/sq mi
TimezoneAmerica/Chicago

How 51234 Compares

MetricZIP 51234Sioux CountyIA State Average
Population1,17241,7023,210,984
Median IncomeData PendingN/AN/A
Population Density9.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51244Matlock5.5 mi144N/A
Zip 51239Hull6.3 mi2,876N/A
Zip 51201Sheldon7.8 mi6,430N/A
Zip 51237George10.0 mi1,605N/A
Zip 51238Hospers10.5 mi1,502N/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 →