Explore Harsens Island, Michigan, with this interactive street and satellite map. You can “grab” the Harsens Island, MI street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Harsens Island |
| State | Michigan (MI) |
| County | St. Clair |
| Country | United States of America |
| Timezone | Eastern Time (America/Detroit) |
| Latitude | 42.575837 |
| Longitude | -82.594307 |
| Population | 1,600 |
| Density | 55.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 48028 |
| Area Code | 313 |
| County Seat | Port Huron |
Harsens Island is a locality in St. Clair County, Michigan, United States. It has a population of approximately 1,600. The population density is 55.0 people per km². Harsens Island is located at 42.5758°N, 82.5943°W. It observes the Eastern Time (America/Detroit) timezone. ZIP code: 48028.
Harsens Island emerges from the marshy embrace of the St. Clair River delta, a verdant ribbon of land where the great lake waters begin their slow journey south. It lies 11.9 miles east of Harrison Township, MI (from Harrison Township, MI: bearing 95°T), and is situated 3.4 miles south-south-west of Clay. The air here carries the damp, earthy scent of reeds and the subtle tang of freshwater, a constant whisper of the surrounding waterways. Ancient oaks, their branches gnarled like the hands of old fishermen, cast dappled shadows across the narrow roads that wind through scattered homesteads and weathered cottages. The landscape itself feels permeable, a place where the solid ground gives way readily to the shimmering expanse of water, its surface a mirror to the ever-changing Michigan sky, reflecting the pale blues of morning and the fiery golds of sunset. The story of Harsens Island is written in the slow ebb and flow of its tides and the enduring spirit of its inhabitants. For generations, life here has been intrinsically tied to the river's bounty, with fishing and farming forming the bedrock of its economy. The island's distinctive character is shaped by its isolation, a gentle seclusion that fosters a deep sense of community and a reliance on self-sufficiency. While no grand monuments mark its history, the weathered clapboard of old barns and the quiet persistence of its maritime traditions speak volumes of a past steeped in hard work and a profound connection to the natural world. Even today, the island retains a timeless quality, a place where the rhythm of the seasons dictates the pace of life, and the gentle lapping of waves against the shore is the most insistent sound.
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This page provides an embedded street and satellite map of Harsens Island, Michigan — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 42.575837, -82.594307. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Harsens Island and St. Clair County.
Detailed location data for Harsens Island includes the ZIP code (48028), telephone area code (313), county seat of St. Clair County (Port Huron), and school district assignment. These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Harsens Island is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |