Fort Gratiot, 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 Fort Gratiot, St. Clair County.
| City | Fort Gratiot |
| State | Michigan (MI) |
| County | St. Clair |
| Country | United States of America |
| Timezone | Eastern Time (America/Detroit) |
| Latitude | 43.038 |
| Longitude | -82.478 |
| Population | 11,000 |
| Density | 480.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 48059 |
| Area Code | 313 |
| County Seat | Port Huron |
Fort Gratiot is a locality in St. Clair County, Michigan, United States. It has a population of 11,000. The population density is 480.0 people per km². Fort Gratiot is located at 43.0380°N, 82.4780°W. It observes the Eastern Time (America/Detroit) timezone. ZIP code: 48059.
Fort Gratiot lies at the northern edge of St. Clair County, a place where the land gently slopes toward the vastness of Lake Huron’s lower reaches. It lies 5.4 miles north-north-west of Port Huron, MI (from Port Huron, MI: bearing 330°T), and is situated 7.5 miles north-east of Kimball. The air here often carries the tang of freshwater, a constant companion to the open fields and the scattered stands of oak and maple that punctuate the landscape. Even on a clear day, a certain softness seems to imbue the light, particularly as it filters through the leaves of mature trees lining residential streets, hinting at the changing seasons that have shaped this corner of Michigan. The terrain, mostly flat with a subtle rise as one moves inland, offers long views across manicured lawns and the occasional farm field, a testament to the enduring relationship between the people and the earth. The history of Fort Gratiot is deeply entwined with its strategic location, serving as a vital military outpost in earlier times. This legacy still echoes in the quiet hum of the present-day economy, which leans into the surrounding agricultural bounty and the steady draw of its proximity to the lake. Local businesses, from family-owned diners to small retail shops, form the backbone of Fort Gratiot’s daily life, their rhythms dictated by the ebb and flow of residents going about their day. A notable landmark, the historic lighthouse, stands as a silent sentinel, a beacon that has guided mariners for generations, its presence a constant reminder of the powerful waterways that define this locality and the commerce they have always facilitated.
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This page provides an interactive Google map of Fort Gratiot, 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 Fort Gratiot and St. Clair County.
Detailed location data for Fort Gratiot includes the ZIP code (48059), 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 Fort Gratiot 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. |