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Zip Code 51550 — Magnolia, IA

ZIP Code 51550 is associated with Magnolia, IA, in Harrison County. The listed population estimate is 169; estimated density is 120.4 people per square mile. Among records with population estimates, it ranks #10 of 10 in Harrison County and #868 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.692030, -95.873990)

Data MetricLocal Statistic
Postal / Zip Code51550
Primary CityMagnolia
State / ProvinceIA
CountyHarrison
Total Population169
Population Density120.4 people/sq mi
TimezoneAmerica/Chicago

How 51550 Compares

MetricZIP 51550Harrison County recordsIA records
Population estimate16914,759 (sum)3,210,984 (sum)
Population Density120.4 /sq mi----
County population rank#10 of 10----
State population rank#868 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 51546Logan6.4 mi3,114
ZIP 51557Mondamin7.1 mi828
ZIP 51564Pisgah8.5 mi520
ZIP 51555Missouri Valley9.4 mi4,952
ZIP 51556Modale9.5 mi266

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 →