Oak Grove, Hardin County
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| City | Oak Grove |
| State | Tennessee (TN) |
| County | Hardin |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 35.274524 |
| Longitude | -88.229758 |
| Density | N/A /km² |
| Incorporated | N/A |
| ZIP Code(s) | 37866, 37769, 37357, 37615 |
| Area Code | 615, 731 |
| County Seat | Savannah |
| School District | Washington County School District |
Oak Grove is a locality in Hardin County, Tennessee, United States. Oak Grove is located at 35.2745°N, 88.2298°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 37615.
Oak Grove exhales a quiet, settled air, a place where the land itself seems to breathe with a slow, deliberate rhythm. It lies 11.1 miles north of Hardin, TN (from Hardin, TN: bearing 5°T), and is situated 3.6 miles north-north-east of Savannah. The terrain here is a gentle rolling of hills, not dramatic peaks, but the kind that invite contemplation, softened by the deep green of mature oak trees that give the settlement its name. These venerable giants, their branches reaching like gnarled fingers toward the wide Tennessee sky, cast dappled shadows across the unpaved driveways and modest homes. The air, especially in the humid embrace of summer, carries the mingled scents of damp earth, pine needles, and the faint, sweet perfume of honeysuckle that clings to weathered fences. In the early morning, a soft mist often rises from the low-lying areas, lending a ephemeral beauty to the landscape before the sun burns it away, revealing the sun-baked dust of the country roads. The history of Oak Grove is a story etched not in grand monuments, but in the persistent cultivation of the land and the enduring spirit of its people. This is a place where agriculture has long been the lifeblood, with fields of corn and soybeans stretching out from the oak-dotted hills, a testament to generations who have worked this soil. The local economy, though modest, is rooted in the land and the quiet hum of small businesses that serve the surrounding farms and families. There's a palpable sense of connection to the past here, a feeling that the echoes of earlier lives – perhaps those who first cleared these woods, or those who sought refuge in its quietude – still resonate in the rustling leaves and the distant lowing of cattle. While not a place of bustling industry or famous landmarks, Oak Grove offers a different kind of richness, a deep-seated peace found in the enduring simplicity of rural life.
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This page provides an embedded street and satellite map of Oak Grove, Tennessee — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 35.274524, -88.229758. 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 Oak Grove and Hardin County.
Detailed location data for Oak Grove includes the ZIP code (37866), telephone area code (615, 731), county seat of Hardin County (Savannah), and school district assignment (Washington County 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 Oak Grove 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. |