Johnsville, Frederick County
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| City | Johnsville |
| State | Maryland (MD) |
| County | Frederick |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.53399 |
| Longitude | -77.230816 |
| Population | 480 |
| Density | 18.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21784, 21753 |
| Area Code | 410, 443 |
| County Seat | Frederick |
Johnsville is a locality in Frederick County, Maryland, United States. It is a small community with a population of 480. The population density is 18.0 people per km². Johnsville is located at 39.5340°N, 77.2308°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21753.
Johnsville rests in a gentle depression of rolling farmland, where the earth exhales the scent of turned soil and distant pine. It lies 12.7 miles north-east of Frederick, MD (from Frederick, MD: bearing 49°T), and is situated 6.6 miles north of Linganore. Here, the landscape unfolds in broad, green strokes, punctuated by the stoic silhouettes of ancient oak trees and the occasional glint of sunlight on a slow-moving creek. The air, especially as the day begins to soften into afternoon, carries a peculiar stillness, a quiet hum that seems to emanate from the very land itself, a testament to the enduring agricultural spirit. Fields of corn and soybeans stretch towards horizons that are not sharply defined but rather bleed into the hazy blue of the sky, creating a sense of boundless, yet intimate, expanse. The history of Johnsville is etched not in grand monuments but in the enduring patterns of its fields and the quiet persistence of its people. For generations, this land has been a source of sustenance, its economy tied to the bounty of the soil, a tradition that continues to shape the rhythm of daily life. The legacy of farming is evident in the weathered barns and the sturdy farmhouses that dot the landscape, each one a silent witness to the seasons and the lives lived within their walls. While not a place of dramatic landmarks, Johnsville possesses a distinctive character, a deep-rooted sense of place that speaks of continuity and a quiet strength drawn from its connection to the earth. The occasional rumble of a tractor crossing the horizon serves as a gentle reminder of the ongoing work that sustains this corner of Frederick County.
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This page provides an embedded street and satellite map of Johnsville, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.53399, -77.230816. 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 Johnsville and Frederick County.
Detailed location data for Johnsville includes the ZIP code (21784), telephone area code (410, 443), county seat of Frederick County (Frederick), and school district assignment. 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 Johnsville 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. |