Frontenac, 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 Frontenac, St. Louis County.
| City | Frontenac |
| State | Missouri (MO) |
| County | St. Louis |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.635608 |
| Longitude | -90.415118 |
| Population | 3,701 |
| Density | 491.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 63131 |
| Area Code | 314 |
| County Seat | Clayton |
| School District | Ladue School District |
Frontenac is a locality in St. Louis County, Missouri, United States. It has a population of approximately 3,701. The population density is 491.7 people per km². Frontenac is located at 38.6356°N, 90.4151°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63131.
Frontenac, Missouri, unfolds as a tranquil expanse where manicured lawns meet the hushed embrace of mature woodlands. It lies 3.6 miles north of Kirkwood, MO (from Kirkwood, MO: bearing 353°T), and is situated 8.9 miles east-south-east of Chesterfield. The terrain, a gentle undulation of the broader Missouri landscape, offers a sense of quiet seclusion, its broad avenues shaded by a canopy of oaks and maples that rustle secrets in the breeze. Sunlight, when it pierces the dense foliage, paints shifting mosaics on the well-kept driveways and the stately homes that punctuate the green. The air here, especially in the twilight hours, carries a faint, earthy perfume, a blend of damp soil and the lingering sweetness of honeysuckle, a testament to the land's enduring natural character. This enclave, though suburban in its current guise, carries echoes of a richer agricultural past, with its roots tracing back to the fertile lands that once sustained farms and orchards. While the primary economy now leans towards the professional and service sectors, with many residents commuting to the urban core, a distinct local character persists, shaped by its history as a desirable address for those seeking a refined yet accessible lifestyle. The presence of prestigious educational institutions nearby subtly influences the intellectual hum of the locality, and the quiet dignity of its streets suggests a community that values discretion and established tradition, a subtle contrast to the more boisterous energy of the city it borders.
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This page provides an interactive Google map of Frontenac, 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 Frontenac and St. Louis County.
Detailed location data for Frontenac includes the ZIP code (63131), telephone area code (314), county seat of St. Louis County (Clayton), and school district assignment (Ladue School District). 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 Frontenac 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. |