Home > IA > Crawford County > Denison > Zip 51442

Zip Code 51442 — Denison, IA

51442 is a ZIP Code associated with Denison, IA, located within Crawford. The postal region supports an estimated population of 9,692 residents across Data Pending housing units, with a population density of 23.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.026960, -95.359150)

Data MetricLocal Statistic
Postal / Zip Code51442
Primary CityDenison
State / ProvinceIA
CountyCrawford
Total Population9,692
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density23.4 people/sq mi
TimezoneAmerica/Chicago

How 51442 Compares

MetricZIP 51442Crawford CountyIA State Average
Population9,69216,2493,210,984
Median IncomeData PendingN/AN/A
Population Density23.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51520Arion6.5 mi243N/A
Zip 51441Deloit6.7 mi468N/A
Zip 51465Vail9.3 mi689N/A
Zip 51528Dow City10.1 mi674N/A
Zip 51461Schleswig11.7 mi1,097N/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 →