Zip Code 50258 — Union, IA

ZIP Code 50258 is associated with Union, IA, in Hardin County. The listed population estimate is 958; estimated density is 6.9 people per square mile. Among records with population estimates, it ranks #6 of 10 in Hardin County and #480 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.227810, -93.077880)

Data MetricLocal Statistic
Postal / Zip Code50258
Primary CityUnion
State / ProvinceIA
CountyHardin
Total Population958
Population Density6.9 people/sq mi
TimezoneAmerica/Chicago

How 50258 Compares

MetricZIP 50258Hardin County recordsIA records
Population estimate95815,641 (sum)3,210,984 (sum)
Population Density6.9 /sq mi----
County population rank#6 of 10----
State population rank#480 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 50269Whitten4.2 mi164
ZIP 50148Liscomb5.3 mi406
ZIP 50206New Providence5.9 mi349
ZIP 50051Clemons6.9 mi224
ZIP 50005Albion7.3 mi812

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 →