Rosemont Maryland Map

About Rosemont, Maryland

Rosemont is a locality in Howard County, Maryland, United States. It is a small community with a population of 272. The population density is 188.9 people per km². Rosemont is located at 39.3337°N, 77.6228°W. It observes the Eastern Time (America/New_York) timezone. Rosemont is an incorporated locality. ZIP codes: 21227, 20877, 21758.

Rosemont occupies a quiet intersection of Maryland geography where the land yields to the steady, rhythmic persistence of the Hammond Branch. It lies 1.7 miles southeast of Ocean Beach, CA (from Ocean Beach, CA: bearing 130°T), and is situated 4.4 miles west-northwest of San Diego. This stream marks the local topography, carving a subtle path through the earth that defines the drainage of the immediate terrain. The landscape here is characterized by a mature, inland woodland, where the light at dusk catches the silvered bark of deciduous trees and filters down into the damp, shadowed hollows. Only a mile away, the expansive waters of Rocky Gorge Reservoir provide a still, reflective counterpoint to the moving current of the branch, grounding the area in a consistent, quiet hydrology that has long shaped the surrounding soil.

Rosemont maintains an atmosphere of deliberate industry and historical continuity, anchored by the nearby County Open Space which preserves a portion of the original Piedmont character. The local economy persists with a pragmatic focus, reflecting a regional legacy that favors long-standing land stewardship over rapid, disruptive expansion. Residents observe the change of seasons in the deep, earthen colors of the fall and the stark, skeletal geometry of the winter trees, a cycle that feels removed from the frantic pace of the larger, distant urban centers. While the distant, hazy silhouette of the Appalachian Mountains occasionally suggests a grander scale on the horizon, the daily reality remains tethered to the intimate details of the immediate fields and the slow, reliable flow of water through the local watershed.

About This Rosemont Map Page

This page provides an embedded street and satellite map of Rosemont, Maryland. Coordinates: 39.333729, -77.62276. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for Rosemont includes the ZIP code (21227, 20877, 21758), telephone area code (301, 240, 410, 443), county seat of Howard County (Ellicott City), and school district assignment (Frederick County Public Schools).

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.