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Zip Code 55920 — Byron, MN

55920 is a ZIP Code associated with Byron, MN, located within Olmsted. The postal region supports an estimated population of 9,271 residents across Data Pending housing units, with a population density of 52.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.012460, -92.621110)

Data MetricLocal Statistic
Postal / Zip Code55920
Primary CityByron
State / ProvinceMN
CountyOlmsted
Total Population9,271
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density52.1 people/sq mi
TimezoneAmerica/Chicago

How 55920 Compares

MetricZIP 55920Olmsted CountyMN State Average
Population9,271163,0385,739,754
Median IncomeData PendingN/AN/A
Population Density52.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 55905Rochester5.6 miN/AN/A
Zip 55944Kasson6.0 mi8,161N/A
Zip 55902Rochester6.1 mi26,464N/A
Zip 55901Rochester7.4 mi58,495N/A
Zip 55955Mantorville8.1 mi2,605N/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 →