Explore Greendale, Missouri, with this interactive street and satellite map. You can “grab” the Greendale, 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 | Greendale |
| State | Missouri (MO) |
| County | St. Louis |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.695329 |
| Longitude | -90.31317 |
| Population | 794 |
| Density | 950.4 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 63121 |
| Area Code | 314 |
| County Seat | Clayton |
| School District | Normandy Schools Collaborative |
Greendale is a locality in St. Louis County, Missouri, United States. It is a small community with a population of 794. The population density is 950.4 people per km². Greendale is located at 38.6953°N, 90.3132°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63121.
Greendale unfolds across a gentle, rolling terrain where the land dips and rises with a quiet grace, a topography shaped by the patient sculpting of water over millennia. It lies 2.7 miles north of University City, MO (from University City, MO: bearing 356°T), and is situated 7.8 miles north-west of St. Louis. Mature oak and maple trees, their branches thick with the weight of seasons, offer a dappled shade that softens the bright Missouri sun, particularly in the late afternoon when a honeyed light spills across the lawns and the paved streets. The air here carries the faint, earthy scent of damp soil and mown grass, mingling with the occasional sweet perfume of honeysuckle in the warmer months, a subtle olfactory signature of the region’s verdant character. Houses, many with wide porches and well-tended gardens, present a welcoming face to the neighborhood, their architectural styles hinting at a blend of mid-century practicality and earlier, more ornate designs. The history of Greendale is intertwined with the agricultural roots of St. Louis County, a legacy that still whispers in the names of streets and the enduring presence of open spaces. For decades, this area drew families seeking a respite from the bustling city, its development spurred by a desire for a more serene way of life, though the underlying pulse of commerce never entirely faded. While not a primary industrial hub, Greendale has long benefited from its proximity to larger economic centers, fostering a local economy built on small businesses, service industries, and the quiet industry of homeowners tending their properties and their lives. The nearby Missouri River, though not directly bordering Greendale, has always been a powerful influence, its seasonal moods and its role as a historical artery shaping the broader development of the region, a constant, unseen presence in the collective memory of its residents.
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This page provides an embedded street and satellite map of Greendale, Missouri — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.695329, -90.31317. 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 Greendale and St. Louis County.
Detailed location data for Greendale includes the ZIP code (63121), telephone area code (314), county seat of St. Louis County (Clayton), and school district assignment (Normandy Schools Collaborative). 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 Greendale 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. |