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| City | Mount Aetna |
| State | Maryland (MD) |
| County | Washington |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.60232 |
| Longitude | -77.624158 |
| Population | 637 |
| Density | 158.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21740, 21742 |
| Area Code | 410, 443 |
| County Seat | Hagerstown |
| School District | Washington County Public Schools |
Mount Aetna is a locality in Washington County, Maryland, United States. It is a small community with a population of 637. The population density is 158.8 people per km². Mount Aetna is located at 39.6023°N, 77.6242°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21742.
Mount Aetna rises from the rolling hills of Washington County, a sentinel of ancient rock cloaked in a verdant tapestry of deciduous forest. It lies 4.1 miles east of Washington, MD (from Washington, MD: bearing 100°T), and is situated 5.8 miles east-south-east of Hagerstown. The air here, especially in the late afternoon when the sun begins its descent, carries a cool, earthy scent, a mingling of damp soil and pine needles, a subtle balm to the senses. Streams, born from hidden springs higher up its slopes, tumble and weave through the terrain, their clear waters carving shallow channels through moss-covered stones. The land itself is a mosaic of shadowed hollows and sun-drenched clearings, where the call of unseen birds echoes through the stillness. The history of Mount Aetna is as layered as its geological strata, a testament to the enduring spirit of those who have called it home. Early settlers, drawn by the fertile soil and abundant timber, established farms and small communities, their lives shaped by the seasons and the bounty of the land. The local economy, long reliant on agriculture, still sees fields of corn and soybeans stretching across the gentler slopes, their stalks whispering secrets on the breeze. Yet, the echoes of a past industry, perhaps a long-vanished quarry or a small mill powered by the very streams that now serenade the woods, linger in the quietude, a reminder of the hands that once shaped this place. Mount Aetna, though small, holds within its embrace a character forged by time and the persistent turning of the earth.
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This page provides an embedded street and satellite map of Mount Aetna, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.60232, -77.624158. 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 Mount Aetna and Washington County.
Detailed location data for Mount Aetna includes the ZIP code (21740), telephone area code (410, 443), county seat of Washington County (Hagerstown), and school district assignment (Washington County Public Schools). 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 Mount Aetna 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. |