Algonac, Michigan — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Algonac, St. Clair County.
| City | Algonac |
| State | Michigan (MI) |
| County | St. Clair |
| Country | United States of America |
| Timezone | Eastern Time (America/Detroit) |
| Latitude | 42.618368 |
| Longitude | -82.531018 |
| Population | 4,139 |
| Density | 1129.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 48001 |
| Area Code | 313 |
| County Seat | Port Huron |
| School District | Algonac Community School District |
Algonac is a locality in St. Clair County, Michigan, United States. It has a population of approximately 4,139. The population density is 1129.7 people per km². Algonac is located at 42.6184°N, 82.5310°W. It observes the Eastern Time (America/Detroit) timezone. ZIP code: 48001.
Algonac, Michigan, sits at the mouth of the St. Clair River, a place where the vastness of Lake Huron begins to exhale its waters. It lies 14.7 miles east-south-east of Chesterfield Township, MI (from Chesterfield Township, MI: bearing 111°T), and is situated 1.8 miles east of Clay. The land here is flat, edged by the restless shimmer of the river and the broader expanse of the lake, and the air carries the constant, subtle scent of fresh water and the distant hum of boat engines. It is a landscape shaped by the persistent caress of wind and wave, where weathered docks jut out like patient fingers into the currents, and the sky often stretches in an unbroken, luminous arc, particularly in the quiet glow of late afternoon. The houses, many painted in cheerful, sun-bleached hues, seem to lean into the breeze, their gardens often bursting with hardy blooms that thrive in this maritime embrace. The roots of Algonac run deep into the rich soil of maritime tradition and industry, particularly its storied past as a hub for boat building. For generations, the skilled hands of its residents have shaped wood and metal into vessels that have plied these Great Lakes waters, a legacy that still echoes in the boatyards and marinas that dot the shoreline. The St. Clair River, a vital artery connecting these inland seas, has always been the lifeblood of Algonac, fostering a local economy that thrives on recreation, fishing, and the constant flow of commerce. Life here moves with a rhythm dictated by the seasons and the water, a steady cadence punctuated by the calls of gulls and the cheerful greetings exchanged between neighbors who understand the unique charm of a life lived at the edge of the freshwater ocean.
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This page provides an interactive Google map of Algonac, Michigan with street, satellite and terrain views and integrated Street View imagery. 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 Algonac and St. Clair County.
Detailed location data for Algonac includes the ZIP code (48001), telephone area code (313), county seat of St. Clair County (Port Huron), and school district assignment (Algonac Community School District). 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 Algonac is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 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. |