Green Valley, Harford County
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| City | Green Valley |
| State | Maryland (MD) |
| County | Harford |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.596772 |
| Longitude | -76.488298 |
| Density | N/A /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21084, 21770 |
| Area Code | 240, 301, 410, 443 |
| County Seat | Bel Air |
| School District | Frederick County Public Schools |
Green Valley is a locality in Harford County, Maryland, United States. Green Valley is located at 39.5968°N, 76.4883°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21770.
Green Valley unfurls its verdant embrace beneath a sky that often holds the hushed, bruised purples of approaching twilight. It lies 5.4 miles west of Forest Hill, MD (from Forest Hill, MD: bearing 279°T), and is situated 6.7 miles west of Harford. Rolling hills, softened by the slow erosion of centuries, cradle the land, their slopes a patchwork quilt of emerald pastures and the deeper, shadowed greens of mature woodlands. The air here carries the clean, cool scent of damp earth and pine needles, a fragrance that clings even on the warmest days. A meandering creek, its surface reflecting the shifting patterns of clouds, threads its way through the valley, its gentle murmur a constant, unobtrusive soundtrack to the quiet existence of this place. The very contours of the land seem to whisper of a patient, enduring nature, of a world that moves at a pace dictated by the sun and seasons rather than the hurried pulse of distant metropolises. The history of Green Valley is etched not in grand monuments but in the enduring rhythm of its agricultural heart. For generations, the fertile soil has yielded its bounty, supporting a lineage of farmers who have shaped the landscape with their sweat and toil. The local economy, though now diversified, still carries the indelible imprint of this agrarian past, with remnants of old barns and stone walls standing as silent witnesses to a simpler time. While no famous figures loom large in its immediate narrative, Green Valley has fostered its own quiet legends – the exceptionally prolific apple orchards that once dotted the hillsides, or the generations of skilled craftsmen who found their livelihood in the abundant timber. The distinctive character of Green Valley lies in this understated resilience, a deep-rooted connection to the land that continues to define its unique, unpretentious charm.
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This page provides an embedded street and satellite map of Green Valley, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.596772, -76.488298. 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 Green Valley and Harford County.
Detailed location data for Green Valley includes the ZIP code (21084), telephone area code (240, 301, 410, 443), county seat of Harford County (Bel Air), and school district assignment (Frederick 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 Green Valley 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. |