Zip Code 48028 — Harsens Island, MI

ZIP Code 48028 is associated with Harsens Island, MI, in St. Clair County. The listed population estimate is 1,272; estimated density is 27.7 people per square mile. Among records with population estimates, it ranks #21 of 21 in St. Clair County and #778 of 987 in MI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.589470, -82.619480)

Data MetricLocal Statistic
Postal / Zip Code48028
Primary CityHarsens Island
State / ProvinceMI
CountySt. Clair
Total Population1,272
Population Density27.7 people/sq mi
TimezoneAmerica/Detroit

How 48028 Compares

MetricZIP 48028St. Clair County recordsMI records
Population estimate1,272161,718 (sum)10,077,716 (sum)
Population Density27.7 /sq mi----
County population rank#21 of 21----
State population rank#778 of 987----

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 MI

ZIP CodeCityDistancePopulation estimate
ZIP 48001Algonac3.9 mi11,224
ZIP 48023Fair Haven8.0 mi5,031
ZIP 48039Marine City8.2 mi7,437
ZIP 48047New Baltimore10.1 mi40,302
ZIP 48045Harrison Township10.7 mi24,061

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 →