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Lake Saint Clair Missouri Map

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.

Interactive Map of Lake Saint Clair, Missouri

How to Use This Lake Saint Clair, Missouri Map

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.

CityLake Saint Clair
StateMissouri (MO)
CountyFranklin County
CountryUnited States of America
TimezoneCentral Time (America/Chicago)
Latitude38.32286
Longitude-90.99784
Population872
Density357.4 /km²
IncorporatedN/A
ZIP Code63077
Area Code314
County SeatUnion

About Lake Saint Clair, Missouri

Lake Saint Clair is a locality in Franklin County, Missouri, United States. It is a small community with a population of 872. The population density is 357.4 people per km². Lake Saint Clair is located at 38.3229°N, 90.9978°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63077.

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.

Nearby Outdoor Places

  • Main Street Park (Local Park) — 1.9 mi, 029° NE
  • Evergreen Park (Local Park) — 2.1 mi, 029° NE
  • Old Bus Stop and Gallery Route 66 (Attraction) — 2.1 mi, 023° NE
  • Unknown Park (Local Recreation) — 2.7 mi, 036° NE
  • Green Meadow Access (State Recreation Area) — 3.5 mi, 079° E
  • Redhorse Access (State Recreation Area) — 4.5 mi, 131° SE
  • Meramec Conservation Area (State Conservation Area) — 5.2 mi, 202° S
  • Meramec State Park (State Park) — 6.9 mi, 216° SW
  • Little Indian Creek Conservation Area (State Conservation Area) — 7.1 mi, 159° S
  • Meramec Caverns (Attraction) — 7.6 mi, 222° SW
  • Blue Star Memorial Highway (Monument) — 8.1 mi, 352° N
  • 9-11 Memorial (Monument) — 8.4 mi, 357° N
  • Benjamin Franklin (Public Artwork) — 8.5 mi, 357° N
  • Veterans Memoria (Monument) — 8.5 mi, 357° N
  • Robertsville State Park (State Park) — 11.4 mi, 053° NE
  • Caldwell Franklin County Museum (Museum) — 12.9 mi, 003° N
  • Sod House (Historic Ruins) — 13.9 mi, 043° NE
  • Indian Teepee (Historic Ruins) — 14.0 mi, 044° NE
  • Observation Deck (Viewpoint) — 14.2 mi, 044° NE
  • Machine Shop Gallery (Gallery) — 15.9 mi, 359° N
  • MMTAS Art Gallery (Gallery) — 16.5 mi, 357° N
  • Big Foot (Attraction) — 16.7 mi, 047° NE
  • Blue Springs Creek Conservation Area (Nature Reserve) — 17.5 mi, 216° SW
  • Battle of Pacific (Registered Battlefield) — 17.7 mi, 051° NE
  • Mark Twain National Forest (National Forest) — 21.5 mi, 177° S · 1.5M acres
  • Log Flume (Attraction) — 21.8 mi, 053° NE
  • Wildwood History Museum (Museum) — 22.1 mi, 045° NE
  • B&B Theaters Wildwood (Cinema) — 26.7 mi, 048° NE
  • Big Muddy National Fish And Wildlife Refuge (National Wildlife Refuge) — 30.1 mi, 324° NW · 32k acres
  • Middle Mississippi River National Wildlife Refuge (National Wildlife Refuge) — 34.7 mi, 094° E · 16k acres

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About This Lake Saint Clair Map Page

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 generatedSeptember 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Map layersGoogle Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model)
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API.