Zip Code 51442 — Denison, IA

ZIP Code 51442 is associated with Denison, IA, in Crawford County. The listed population estimate is 9,692; estimated density is 23.4 people per square mile. Among records with population estimates, it ranks #1 of 12 in Crawford County and #81 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.026960, -95.359150)

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

How 51442 Compares

MetricZIP 51442Crawford County recordsIA records
Population estimate9,69216,249 (sum)3,210,984 (sum)
Population Density23.4 /sq mi----
County population rank#1 of 12----
State population rank#81 of 969----

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 IA

ZIP CodeCityDistancePopulation estimate
ZIP 51520Arion6.5 mi243
ZIP 51441Deloit6.7 mi468
ZIP 51465Vail9.3 mi689
ZIP 51528Dow City10.1 mi674
ZIP 51461Schleswig11.7 mi1,097

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 →