Explore Twin Oaks, Missouri, with this interactive street and satellite map.
| City | Twin Oaks |
| State | Missouri (MO) |
| County | St. Louis County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.564776 |
| Longitude | -90.49651 |
| Population | 605 |
| Density | 858.8 /km² |
| Incorporated | Yes |
| ZIP Code | 63021 |
| Area Code | 314 |
| County Seat | Clayton |
| School District | Valley Park School District |
Twin Oaks emerges from the rolling Missouri landscape as a quiet expanse where the horizon is defined by the steady, muted silhouettes of the Crescent Hills six miles to the west. It lies 2.3 miles south-southeast of Manchester, MO (from Manchester, MO: bearing 163°T), and is situated 8.1 miles south-southeast of Chesterfield. Broad swaths of woodland and open space characterize the terrain, which drains slowly toward the path of Grand Glaize Creek as it winds through the nearby topography. Within the immediate footprint of the land, Twin Oaks Pedestrian Park provides a managed green space that invites a slower pace, offering a place to observe the way golden hour light catches the tall grasses and sharpens the edges of the distant limestone ridges. The air here carries the scent of damp earth and cooling timber, a sensory reminder of the deep, inland stillness that defines the region.
Development in Twin Oaks reflects the steady transition of the suburban Missouri periphery, where the remnants of older, agrarian land use have gradually given way to a quiet, residential character. Residents often look toward the nearby Tyson Hollow for a deeper sense of the rugged, unrefined character of the local geography, or find recreation at the Lone Elk Reservoir, where the water reflects the seasonal change of the trees with singular clarity. The local economy functions as a functional extension of the broader St. Louis orbit, yet the daily rhythm remains tethered to the immediate surroundings, prioritizing the pragmatic and understated lifestyle typical of the Show-Me state. Life here moves with a deliberate, plain-spoken cadence, favoring the comfort of familiar paths and the quiet reliability of the seasons as they turn across the Missouri plains.
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This page provides an embedded street and satellite map of Twin Oaks, Missouri. Coordinates: 38.564776, -90.49651. 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 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).
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 generated | August 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. |