Home > IA > Pottawattamie County > Underwood > Zip 51576

Zip Code 51576 — Underwood, IA

51576 is a ZIP Code associated with Underwood, IA, located within Pottawattamie. The postal region supports an estimated population of 1,769 residents across Data Pending housing units, with a population density of 14.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.377700, -95.709450)

Data MetricLocal Statistic
Postal / Zip Code51576
Primary CityUnderwood
State / ProvinceIA
CountyPottawattamie
Total Population1,769
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density14.7 people/sq mi
TimezoneAmerica/Chicago

How 51576 Compares

MetricZIP 51576Pottawattamie CountyIA State Average
Population1,76992,7843,210,984
Median IncomeData PendingN/AN/A
Population Density14.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51548McClelland5.7 mi415N/A
Zip 51559Neola6.2 mi1,841N/A
Zip 51542Honey Creek7.8 mi802N/A
Zip 51526Crescent8.8 mi1,664N/A
Zip 51553Minden8.9 mi998N/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 →