Zip Code 50427 — Chapin, IA

50427 is a ZIP Code associated with Chapin, IA, located within Franklin. 50427 ranks #8 out of 11 ZIP codes in Franklin County by population (and #887 out of 970 in IA). The area supports an estimated population of 137 residents across Data Pending housing units, with a population density of 782.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.835570, -93.221160)

Data MetricLocal Statistic
Postal / Zip Code50427
Primary CityChapin
State / ProvinceIA
CountyFranklin
Total Population137
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density782.9 people/sq mi
TimezoneAmerica/Chicago

How 50427 Compares

MetricZIP 50427Franklin CountyIA State Average
Population13711,623 (Total)3,210,984 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density782.9 /sq mi----
County Pop Rank#8 of 11----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 50475Sheffield3.0 mi1,446N/A
Zip 50441Hampton6.6 mi5,450N/A
Zip 50452Latimer8.7 mi946N/A
Zip 50605Aredale9.5 mi63N/A
Zip 50431Coulter10.2 mi228N/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 →