Explore Port Jefferson, Ohio, with this interactive street and satellite map.
| City | Port Jefferson |
| State | Ohio (OH) |
| County | Shelby County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.328661 |
| Longitude | -84.094386 |
| Population | 308 |
| Density | 782.4 /km² |
| Incorporated | Yes |
| ZIP Code | 45360 |
| Area Code | 937 |
| County Seat | Sidney |
| School District | Sidney City School District |
Port Jefferson occupies a quiet stretch of land where the Great Miami River carves a deliberate path through the fertile, inland plains of western Ohio. It lies 4.4 miles northeast of Sidney, OH (from Sidney, OH: bearing 46°T), and is situated 9.5 miles west of De Graff. The landscape around Port Jefferson remains defined by the steady, unyielding movement of this river, which brings a cool, moisture-laden air to the valley floor even during the height of the summer heat. While the jagged peaks of Bristol Ridge remain a distant, hazy suggestion on the horizon, the immediate terrain consists of expansive, productive fields that catch the long, slanted light of dusk in a way that turns the golden stalks of corn into burnished copper. A few miles to the east, the stillness of Tawawa Lake offers a sharp contrast to the constant, fluid motion of the river, acting as a mirror for the changing skies above the horizon.
Economic life in Port Jefferson historically grew from the necessity of harnessing the power of the water, and the rhythms of the present day still echo the industry of earlier generations who worked the mills and the soil. The nearby Shelby Oaks Golf Course provides a manicured buffer of green space, where the meticulously maintained fairways offer a modern, recreational counterpoint to the wilder, wooded banks of the Great Miami River. Life here proceeds with a measured intensity, where the change of seasons dictates the pace of work and the transition of the landscape from vibrant growth to the muted, gray palette of winter. The people of Port Jefferson maintain a quiet connection to this geography, recognizing the endurance of the land that has supported the settlement since its earliest days of clearing the woods and establishing a foothold in the basin.
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This page provides an embedded street and satellite map of Port Jefferson, Ohio. Coordinates: 40.328661, -84.094386. 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 Port Jefferson includes the ZIP code (45360), telephone area code (937), county seat of Shelby County (Sidney), and school district assignment (Sidney City 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. |