Explore Lake Saint Clair, Missouri, with this interactive street and satellite map.
This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.
This interactive map shows the street layout and satellite imagery for Lake Saint Clair, Missouri. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Missouri or beyond.
Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).
TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Lake Saint Clair.
Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.
Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.
| City | Lake Saint Clair |
| State | Missouri (MO) |
| County | Franklin County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.32286 |
| Longitude | -90.99784 |
| Population | 872 |
| Density | 357.4 /km² |
| Incorporated | N/A |
| ZIP Code | 63077 |
| Area Code | 314 |
| County Seat | Union |
Lake Saint Clair reveals itself through the quiet geometry of the Missouri landscape, where the land shifts from timbered rises into the soft, expansive temperament of the interior plains. It lies 8.8 miles south of Union, MO (from Union, MO: bearing 176°T), and is situated 1.8 miles south-southwest of Saint Clair. The terrain here is defined by a slow, rhythmic transition, punctuated by the limestone presence of Lost Hill visible five miles to the west and the deeper, shadowed folds of Bennett Hollow four miles distant. Hoosier Creek carves a narrow, persistent path through the local soil just one mile away, its presence marked by the silver-gray bark of sycamores that catch the slanted, amber light of late afternoon. Beyond the immediate clearings, the woods thicken into stands of oak and hickory, creating a dense canopy that holds the humidity of the season and muffles the mechanical hum of the modern world.
Lake Saint Clair maintains a character forged by the steady, pragmatic pace of regional commerce and the legacy of families who have worked this soil for generations. While residents often look toward the quiet expanse of Cedar Lake seven miles away for recreation, the daily pulse of the locality is anchored by the modest amenities of Main Street Park, a two-mile retreat that serves as a focal point for communal gatherings. The economy persists in a quiet alignment with the surrounding agricultural rhythms, favoring a plain-spoken approach to industry that eschews the frantic pace of larger urban centers. Life in Lake Saint Clair is measured in the changing colors of the fields and the seasonal drift of the wind, maintaining a sense of permanence that honors the quiet, unpretentious history of the Missouri interior.
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This page provides an embedded street and satellite map of Lake Saint Clair, Missouri. Coordinates: 38.32286, -90.99784. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Lake Saint Clair includes the ZIP code (63077), telephone area code (314), county seat of Franklin County (Union), and school district assignment.
Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |