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| City | White Marsh |
| State | Maryland (MD) |
| County | Baltimore |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.383719 |
| Longitude | -76.432184 |
| Population | 10,932 |
| Density | 762.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21162, 21128 |
| Area Code | 240, 301 |
| County Seat | Towson |
| School District | Baltimore County Public Schools |
White Marsh is a locality in Baltimore County, Maryland, United States. It has a population of 10,932. The population density is 762.0 people per km². White Marsh is located at 39.3837°N, 76.4322°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21128.
White Marsh unfolds as a broad, fertile expanse, its character shaped by the gentle, rolling terrain that slopes towards the Chesapeake Bay. It lies 2.6 miles south-east of Perry Hall, MD (from Perry Hall, MD: bearing 140°T), and is situated 9.1 miles east of Towson. The air here often carries the earthy scent of damp soil and distant pines, a fragrance that deepens as the sun dips below the horizon, casting long, languid shadows across the fields and suburban lawns. Wide, open spaces are punctuated by clusters of mature trees, their branches reaching like weathered hands against the pale, expansive sky, and the low, steady hum of traffic on arterial roads serves as a constant reminder of its connection to the wider world. The landscape possesses a quiet, unassuming beauty, a place where the cultivated and the wild coexist in a familiar, enduring embrace. This land has long been a place of cultivation, its history intertwined with the fertile soil that has sustained agriculture for generations. The early settlers, drawn by the promise of rich farmland, established a legacy of husbandry that, while now largely supplanted by modern development, still echoes in the names of streets and the enduring agricultural businesses that dot the periphery. White Marsh has evolved into a vibrant hub of commerce and residence, its economy fueled by retail centers and burgeoning residential communities that attract families seeking a blend of suburban comfort and accessible city amenities. The presence of the historic Jerusalem Mill Village, a preserved testament to the area's industrial past, offers a tangible link to the ingenuity of those who once harnessed the power of the Gunpowder River, a waterway that threads its way through this part of Baltimore County, adding its own quiet murmur to the unfolding story of White Marsh.
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This page provides an embedded street and satellite map of White Marsh, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.383719, -76.432184. 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 White Marsh and Baltimore County.
Detailed location data for White Marsh includes the ZIP code (21162), telephone area code (240, 301), county seat of Baltimore County (Towson), and school district assignment (Baltimore 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 White Marsh 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. |