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Zip Code 50156 — Madrid, IA

50156 is a ZIP Code associated with Madrid, IA, located within Boone. The postal region supports an estimated population of 4,575 residents across Data Pending housing units, with a population density of 20.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.903490, -93.800010)

Data MetricLocal Statistic
Postal / Zip Code50156
Primary CityMadrid
State / ProvinceIA
CountyBoone
Total Population4,575
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density20.0 people/sq mi
TimezoneAmerica/Chicago

How 50156 Compares

MetricZIP 50156Boone CountyIA State Average
Population4,57526,9943,210,984
Median IncomeData PendingN/AN/A
Population Density20.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 50152Luther4.6 mi138N/A
Zip 50243Sheldahl6.0 mi361N/A
Zip 50134Kelley6.9 mi770N/A
Zip 50276Woodward7.0 mi2,679N/A
Zip 50244Slater8.5 mi1,729N/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 →