Home > IA > Woodbury County > Smithland > Zip 51056

Zip Code 51056 — Smithland, IA

51056 is a ZIP Code associated with Smithland, IA, located within Woodbury. The postal region supports an estimated population of 346 residents across Data Pending housing units, with a population density of 4.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.234430, -95.953910)

Data MetricLocal Statistic
Postal / Zip Code51056
Primary CitySmithland
State / ProvinceIA
CountyWoodbury
Total Population346
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.0 people/sq mi
TimezoneAmerica/Chicago

How 51056 Compares

MetricZIP 51056Woodbury CountyIA State Average
Population34697,4393,210,984
Median IncomeData PendingN/AN/A
Population Density4.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51051Rodney2.2 mi39N/A
Zip 51044Oto5.0 mi165N/A
Zip 51026Hornick6.3 mi910N/A
Zip 51015Climbing Hill9.7 mi45N/A
Zip 51034Mapleton9.8 mi1,674N/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 →