Explore Twin Oaks, Missouri, with this interactive street and satellite map. You can “grab” the Twin Oaks, 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 | Twin Oaks |
| State | Missouri (MO) |
| County | St. Louis |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.564776 |
| Longitude | -90.49651 |
| Population | 734 |
| Density | 1039.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 63021 |
| Area Code | 314 |
| County Seat | Clayton |
| School District | Valley Park School District |
Twin Oaks is a locality in St. Louis County, Missouri, United States. It is a small community with a population of 734. The population density is 1039.7 people per km². Twin Oaks is located at 38.5648°N, 90.4965°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63021.
Twin Oaks unfolds across a landscape of gentle swells and mature woodlands, where the Missouri air, thick with the scent of damp earth and pine, settles into the hollows as dusk deepens. It lies 3.4 miles south-east of Ballwin, MO (from Ballwin, MO: bearing 128°T), and is situated 8.1 miles south-south-east of Chesterfield. The terrain here is a study in patient erosion, with shallow ravines and meandering creeks sketching their paths through the rolling hills. Oak and hickory trees, their branches reaching like gnarled fingers, cast shifting patterns of shade on the undergrowth, a quiet testament to seasons past. Even the cultivated fields, where rows of corn and soybeans follow the land’s contours, seem to possess a natural grace, their ordered geometry softened by the surrounding wildness. The history of Twin Oaks is interwoven with the broader narrative of St. Louis County's westward expansion, a story shaped by agricultural roots and a steady, unpretentious growth. Originally a farming community, its economy has evolved, embracing a blend of small businesses and residential development that maintains a connection to its rural origins. The quiet hum of everyday life here is punctuated by the distant rumble of traffic on major arteries, a reminder of the larger metropolitan area that lies just beyond its borders, yet Twin Oaks retains its distinct character, a place where the pace of life allows for the appreciation of dappled sunlight on a quiet street or the distant call of a bird across an open field.
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This page provides an embedded street and satellite map of Twin Oaks, Missouri — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.564776, -90.49651. 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 Twin Oaks and St. Louis County.
Detailed location data for Twin Oaks includes the ZIP code (63021), telephone area code (314), county seat of St. Louis County (Clayton), and school district assignment (Valley Park 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 Twin Oaks 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. |