Zip Code 55121 — Saint Paul, MN

ZIP Code 55121 is associated with Saint Paul, MN, in Dakota County. The listed population estimate is 9,198; estimated density is 369.5 people per square mile. Among records with population estimates, it ranks #14 of 19 in Dakota County and #181 of 877 in MN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.845910, -93.159320)

Data MetricLocal Statistic
Postal / Zip Code55121
Primary CitySaint Paul
State / ProvinceMN
CountyDakota
Total Population9,198
Population Density369.5 people/sq mi
TimezoneAmerica/Chicago

How 55121 Compares

MetricZIP 55121Dakota County recordsMN records
Population estimate9,198447,813 (sum)5,739,754 (sum)
Population Density369.5 /sq mi----
County population rank#14 of 19----
State population rank#181 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 55120Saint Paul1.9 mi5,058
ZIP 55150Mendota2.9 mi201
ZIP 55123Saint Paul3.1 mi26,501
ZIP 55111Saint Paul3.2 mi233
ZIP 55122Saint Paul3.5 mi32,261

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 →