Home > MN > Itasca County > Side Lake > Zip 55781

Zip Code 55781 — Side Lake, MN

ZIP Code 55781 is associated with Side Lake, MN, in Itasca County. The listed population estimate is 821; estimated density is 3.9 people per square mile. Among records with population estimates, it ranks #10 of 23 in Itasca County and #605 of 877 in MN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.675870, -93.065240)

Data MetricLocal Statistic
Postal / Zip Code55781
Primary CitySide Lake
State / ProvinceMN
CountyItasca
Total Population821
Population Density3.9 people/sq mi
TimezoneAmerica/Chicago

How 55781 Compares

MetricZIP 55781Itasca County recordsMN records
Population estimate82145,207 (sum)5,739,754 (sum)
Population Density3.9 /sq mi----
County population rank#10 of 23----
State population rank#605 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 55719Chisholm12.8 mi5,613
ZIP 55703Angora13.9 mi906
ZIP 55723Cook14.5 mi1,927
ZIP 55769Nashwauk14.7 mi2,219
ZIP 55710Britt17.4 mi1,362

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 →