Casco, 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 Casco, St. Clair County.
| City | Casco |
| State | Michigan (MI) |
| County | St. Clair |
| Country | United States of America |
| Timezone | Eastern Time (America/Detroit) |
| Latitude | 42.752532 |
| Longitude | -82.671584 |
| Population | 2,800 |
| Density | 35.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 48064, 49404 |
| Area Code | 313, 616 |
| County Seat | Port Huron |
Casco is a locality in St. Clair County, Michigan, United States. It has a population of approximately 2,800. The population density is 35.0 people per km². Casco is located at 42.7525°N, 82.6716°W. It observes the Eastern Time (America/Detroit) timezone. ZIP code: 49404.
Casco lies under a broad, often dramatic sky, a landscape etched by the slow, relentless work of glaciers and the more recent hand of agriculture. It lies 7.6 miles east-north-east of Chesterfield Township, MI (from Chesterfield Township, MI: bearing 59°T), and is situated 5.9 miles north-east of New Baltimore. Rolling fields, a patchwork of greens and golds in the summer and pale straw in the winter, stretch towards the horizon, punctuated by stands of sturdy oak and maple that offer their shade generously. The St. Clair River, a vast, liquid highway, forms a significant boundary, its presence felt in the moist air and the occasional glint of sunlight on its broad expanse. Small creeks, ribbons of silver, meander through the terrain, feeding into larger waterways and hinting at the rich, dark soil that supports the region's bounty. The air here carries a distinct cleanness, a scent of damp earth and distant, woodsmoke, especially potent as the sun begins its descent, painting the western heavens in hues of rose and bruised plum. The history of Casco is deeply intertwined with the land and the river, a narrative of settlement driven by fertile ground and access to trade. Early generations carved their lives from the wilderness, establishing farms that continue to define the economic pulse of the area, producing corn, soybeans, and other staples that feed the wider world. The river, once a vital artery for logging and shipping, still hums with a quiet industry, its shores dotted with marinas and small fishing operations. Local traditions, often tied to the harvest seasons and the changing moods of the weather, are passed down through families, fostering a sense of enduring connection. There’s a palpable sense of continuity in Casco, a feeling that the past is not so much a relic as an ongoing conversation with the present, evident in the weathered barns and the sturdy, unpretentious homes that dot the countryside.
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This page provides an interactive Google map of Casco, 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 Casco and St. Clair County.
Detailed location data for Casco includes the ZIP code (48064), telephone area code (313, 616), 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 Casco 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. |