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Zip Code 55904 — Rochester, MN

ZIP Code 55904 is associated with Rochester, MN, in Olmsted County. The listed population estimate is 29,639; estimated density is 190.3 people per square mile. Among records with population estimates, it ranks #2 of 10 in Olmsted County and #53 of 877 in MN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.962040, -92.399310)

Data MetricLocal Statistic
Postal / Zip Code55904
Primary CityRochester
State / ProvinceMN
CountyOlmsted
Total Population29,639
Population Density190.3 people/sq mi
TimezoneAmerica/Chicago

How 55904 Compares

MetricZIP 55904Olmsted County recordsMN records
Population estimate29,639163,038 (sum)5,739,754 (sum)
Population Density190.3 /sq mi----
County population rank#2 of 10----
State population rank#53 of 877----

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 MN

ZIP CodeCityDistancePopulation estimate
ZIP 55903Rochester4.7 miN/A
ZIP 55902Rochester5.8 mi26,464
ZIP 55934Eyota7.2 mi3,466
ZIP 55976Stewartville8.0 mi8,509
ZIP 55905Rochester9.0 miN/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 →