Explore Castine, Ohio, with this interactive street and satellite map. You can “grab” the Castine, OH 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 | Castine |
| State | Ohio (OH) |
| County | Darke |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.931717 |
| Longitude | -84.624399 |
| Population | 71 |
| Density | 112.5 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 45304, 45346 |
| Area Code | 937 |
| County Seat | Greenville |
| School District | Arcanum-Butler Local School District |
Castine is a locality in Darke County, Ohio, United States. It is a small community with a population of 71. The population density is 112.5 people per km². Castine is located at 39.9317°N, 84.6244°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 45346.
Castine rests in the rich, furrowed earth of Darke County, a landscape that rolls with a gentle insistence, like a slow exhale after a long climb. It lies 15.8 miles east-north-east of Richmond, IN (from Richmond, IN: bearing 63°T), and is situated 5.5 miles south-west of Arcanum. Here, the fields are a patchwork quilt of greens and golds, stitched together by the silver threads of meandering creeks that whisper secrets to the willows lining their banks. The sky, vast and often a startling blue, stretches to horizons that seem to hold the promise of distant, unseen things. The air, particularly in the early morning, carries the clean scent of turned soil and the faintest hint of dew-kissed grass, a scent that clings to the simple clapboard houses and the sturdy barns that punctuate the verdant expanse. The history of Castine is as deeply rooted as the ancient oaks that still stand sentinel on the edges of its farmland, a testament to generations who have coaxed sustenance from this fertile ground. Though its beginnings were humble, tied to the agrarian spirit that defines much of this region, the echoes of the past are not forgotten. The local economy, still largely driven by the rhythm of planting and harvest, finds its pulse in the nearby agricultural co-ops and the quiet hum of machinery that speaks of a continuous, if understated, prosperity. There are no grand monuments here, but in the weathered faces of the long-time residents and the well-trodden paths between homes, one finds a quiet dignity, a resilience forged in the shared experience of seasons and the enduring strength of community.
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This page provides an embedded street and satellite map of Castine, Ohio — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.931717, -84.624399. 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 Castine and Darke County.
Detailed location data for Castine includes the ZIP code (45304), telephone area code (937), county seat of Darke County (Greenville), and school district assignment (Arcanum-Butler Local 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 Castine 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. |