Lake St. Louis Missouri Map
Lake St. Louis, Missouri — 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 Lake St. Louis, St. Charles County.
Interactive Map of Lake St. Louis, Missouri
| City | Lake St. Louis |
| State | Missouri (MO) |
| County | St. Charles |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.780938 |
| Longitude | -90.78836 |
| Population | 18,066 |
| Density | 792.1 /km² |
| Incorporated | N/A |
About Lake St. Louis, Missouri
Lake St. Louis is a locality in St. Charles County, Missouri, United States. It has a population of 18,066. The population density is 792.1 people per km². Lake St. Louis is located at 38.7809°N, 90.7884°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63367.
Lake St. Louis unfolds as a landscape of gentle slopes and broad horizons, where the verdant Missouri countryside meets the shimmering expanse of its namesake water. It lies 4.1 miles east-south-east of Wentzville, MO (from Wentzville, MO: bearing 121°T), and is situated 5.2 miles west-south-west of O'Fallon. The terrain, shaped by ancient geological forces, offers a pleasing undulation that guides the eye from manicured lawns and thoughtfully planned neighborhoods towards the expansive blue of the lake. Dusk here often paints the sky in hues of rose and lavender, reflecting softly on the water's surface, a quiet spectacle that seems to breathe life into the very air, lending a palpable sense of calm to the evening. The character of Lake St. Louis is one of carefully cultivated charm, a place where the whispers of nature are amplified by the deliberate design of its residential areas, creating an atmosphere of serene domesticity. The origins of Lake St. Louis are rooted in a vision for a planned community, a concept that took shape to harness the natural beauty of the area and foster a distinct way of life. Its economy, once perhaps more agrarian, has diversified, with a focus on services and retail that cater to its growing population, ensuring a steady hum of local commerce. The lake itself, more than just a geographical feature, is the heart of this locality, a hub for recreation and a constant reminder of the water's enduring presence. This community, Lake St. Louis, thrives on a sense of shared space and a commitment to maintaining the tranquil environment that drew its residents, fostering a quiet pride in its well-kept avenues and the accessible natural amenities.
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About This Lake St. Louis Map Page
This page provides an interactive Google map of Lake St. Louis, Missouri 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 Lake St. Louis and St. Charles County. Coordinates and population data are also included.
Location data for Lake St. Louis is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity, not name matching alone — ensuring the correct Lake St. Louis is identified even where the name is shared across multiple counties or states.
| 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. |
