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| City | Marianna |
| State | Pennsylvania (PA) |
| County | Washington |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.024795 |
| Longitude | -80.100056 |
| Population | 585 |
| Density | 106.2 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 15345 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | Washington |
| School District | Bethlehem-Center School District |
Marianna is a locality in Washington County, Pennsylvania, United States. It is a small community with a population of 585. The population density is 106.2 people per km². Marianna is located at 40.0248°N, 80.1001°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 15345.
Marianna lies cradled by the rolling hills of Washington County, where the land itself seems to sigh with the passage of seasons. It lies 21.2 miles south of Bethel Park, PA (from Bethel Park, PA: bearing 189°T), and is situated 6.9 miles north-north-west of Jefferson Greene County. The terrain here is a study in subtle contours, a gentle push and pull of earth that swells into wooded ridges and dips into narrow valleys, often shrouded in the soft, diffused light of western Pennsylvania. Oak and maple dominate the sparse forests that cling to the slopes, their leaves a riot of color in autumn, a stark, skeletal beauty in winter. The air, particularly after a rain, carries the scent of damp earth and decaying leaves, a primal perfume that speaks of the region's deep, untroubled connection to the land. Even in the quietude of midday, a restless energy hums beneath the surface, a sense of latent power in the very bones of the landscape. This corner of Washington County carries the indelible mark of its industrial past, a history etched not in grand monuments but in the very texture of the soil and the muted hues of the remaining structures. Marianna, like many towns in this region, owes its existence to the deep seams of coal that once fueled a nation's progress, the echoes of pickaxes and the rumble of mine carts a lingering memory. While the active mining operations have long since faded, the legacy persists in the stoic resilience of its people and the quiet pride that pervades the community. The local economy, now a more diversified tapestry, still feels the pull of its roots, with agriculture and small businesses forming the backbone of daily life. The occasional gleam of sunlight on a distant farmhouse roof or the purposeful stride of a resident heading to work are small, constant affirmations of a place that endures, adapting but never entirely forgetting its origins.
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This page provides an embedded street and satellite map of Marianna, Pennsylvania — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.024795, -80.100056. 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 Marianna and Washington County.
Detailed location data for Marianna includes the ZIP code (15345), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Washington County (Washington), and school district assignment (Bethlehem-Center 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 Marianna 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. |