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| City | Port William |
| State | Ohio (OH) |
| County | Clinton |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.552006 |
| Longitude | -83.786314 |
| Population | 175 |
| Density | 282.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 45164 |
| Area Code | 513 |
| County Seat | Wilmington |
| School District | Wilmington City School District |
Port William is a locality in Clinton County, Ohio, United States. It is a small community with a population of 175. The population density is 282.8 people per km². Port William is located at 39.5520°N, 83.7863°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 45164.
Port William rests in a gentle hollow, a quiet convergence of rolling farmland where the soil, a rich, dark loam, yields generously to the seasons. It lies 11.9 miles south-east of Xenia, OH (from Xenia, OH: bearing 140°T), and is situated 7.7 miles north-north-east of Wilmington. The landscape here breathes with the slow exhalation of cornfields and pastures, punctuated by the stoic silhouettes of oak and maple trees that stand sentinel along property lines and cluster in small, wooded enclaves. The air, particularly in the late afternoon, carries a faint, sweet scent of ripening grain and damp earth, a perfume of cultivation that clings to the very breath. Sunlight, when it breaks through the often-hazy skies of southwestern Ohio, falls in broad, buttery swathes across the fields, illuminating the subtle contours of the land as it slopes towards the occasional meandering creek. The story of Port William is etched in the quiet persistence of its agricultural roots. For generations, this land has been worked, its bounty harvested and sent out to the wider world, forming the backbone of its local economy. While the days of vast, singular estates have largely faded, the spirit of the farmer, the steward of the soil, remains a defining characteristic of Port William. Small businesses, often family-run, cater to the needs of the surrounding agricultural community, their storefronts lining a main street that hums with a subdued, familiar energy. The rhythm of life here is dictated less by the clock and more by the turning of the earth and the needs of livestock, a steady, unhurried cadence that has shaped the character of its inhabitants.
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This page provides an embedded street and satellite map of Port William, Ohio — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.552006, -83.786314. 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 Port William and Clinton County.
Detailed location data for Port William includes the ZIP code (45164), telephone area code (513), county seat of Clinton County (Wilmington), and school district assignment (Wilmington City 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 Port William 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. |