Explore Clayton, Missouri, with this interactive street and satellite map. You can “grab” the Clayton, MO street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Clayton |
| State | Missouri (MO) |
| County | St. Louis |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.642552 |
| Longitude | -90.323726 |
| Population | 17,380 |
| Density | 2661.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 63105 |
| Area Code | 314 |
| County Seat | Clayton |
| School District | Clayton School District |
Clayton is a locality in St. Louis County, Missouri, United States. It has a population of 17,380. The population density is 2661.7 people per km². Clayton is located at 38.6426°N, 90.3237°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63105.
Clayton’s heart beats in a landscape of rolling hills, a gentle topography that softens the edges of urban life. It lies 1.2 miles south-west of University City, MO (from University City, MO: bearing 220°T), and is situated 6.9 miles west of St. Louis. The land here, a rich loam, supports a verdant canopy of mature trees that line its wide avenues, their leaves catching the soft Missouri light. Even in the midst of its bustling commercial centers, there’s a sense of groundedness, a quiet dignity in the way the streets feel laid out, not with abruptness, but with a thoughtful, almost organic flow. The air, especially in the late afternoon when the sun begins its descent, carries a faint, earthy perfume, a reminder of the soil beneath the pavement. This place, Clayton, has a history woven through the development of the wider region, its early days tied to agriculture before it blossomed into a center of commerce and county governance. The local economy thrives on a diverse base, with a strong presence in professional services and a reputation for attracting established businesses. Distinctive landmarks punctuate the skyline, testaments to its growth and aspirations, while nearby parks offer quiet respites, their manicured paths and open green spaces a gentle counterpoint to the surrounding development. Clayton’s character is one of refined ambition, a place that respects its past while confidently looking toward the future.
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This page provides an embedded street and satellite map of Clayton, Missouri — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.642552, -90.323726. 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 Clayton and St. Louis County.
Detailed location data for Clayton includes the ZIP code (63105), telephone area code (314), county seat of St. Louis County (Clayton), and school district assignment (Clayton 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 Clayton is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 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. |