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| City | Oakville |
| State | California (CA) |
| County | Napa |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 38.436855 |
| Longitude | -122.402201 |
| Density | 18.9 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 94558, 94562 |
| Area Code | 510 |
| County Seat | Napa |
| School District | St. Helena Unified School District |
Oakville is a locality in Napa County, California, United States. The population density is 18.9 people per km². Oakville is located at 38.4369°N, 122.4022°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94562.
Oakville rests in a verdant pocket of Napa Valley, where rolling hills, cloaked in vineyards that stretch towards the horizon, meet the gentle slopes of the Mayacamas Mountains. It lies 11.5 miles north-north-west of Napa, CA (from Napa, CA: bearing 327°T), and is situated 9.5 miles north-north-east of Boyes Hot Springs. The air here, especially as the afternoon sun begins its descent, carries a subtle, earthy perfume of sun-baked soil and ripening grapes, a scent that seems to seep into the very stones of the old buildings. Ancient oaks, their branches gnarled like the hands of time, punctuate the landscape, their broad canopies offering dappled shade to the winding country roads that meander through the heart of this agricultural haven. The very light seems to soften as dusk approaches, casting long, warm shadows that stretch and deepen, transforming the familiar contours of the land into something more profound and introspective. The history of Oakville is inextricably linked to the cultivation of the vine, a legacy that has shaped its identity and economy for generations. This land was once part of vast ranches, but the enduring allure of its fertile soil and temperate climate soon drew vintners who recognized its potential for producing world-class wines. The local economy thrives on this heritage, a gentle hum of activity centered around vineyards, wineries, and the skilled hands that tend them. Small, family-owned estates stand as quiet testaments to this enduring passion, their cellars holding the fruits of patient labor and deep-rooted tradition. While modern innovation plays its part, the enduring character of Oakville remains one of quiet dedication to the land, a place where the rhythm of the seasons dictates the pace of life.
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This page provides an embedded street and satellite map of Oakville, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.436855, -122.402201. 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 Oakville and Napa County.
Detailed location data for Oakville includes the ZIP code (94558), telephone area code (510), county seat of Napa County (Napa), and school district assignment (St. Helena Unified 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 Oakville 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. |