Marriottsville, Maryland — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Marriottsville, Howard County.
| City | Marriottsville |
| State | Maryland (MD) |
| County | Howard |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.350105 |
| Longitude | -76.899421 |
| Population | 4,200 |
| Density | 120.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21104 |
| Area Code | 240, 301 |
| County Seat | Ellicott City |
Marriottsville is a locality in Howard County, Maryland, United States. It has a population of approximately 4,200. The population density is 120.0 people per km². Marriottsville is located at 39.3501°N, 76.8994°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21104.
Marriottsville breathes a quiet grace, its landscape a gentle yielding of rolling fields and mature woodlands that have witnessed generations. It lies 4.6 miles south-east of Eldersburg, MD (from Eldersburg, MD: bearing 144°T), and is situated 5.6 miles north-east of Howard. The terrain here, a verdant tapestry woven from the soft curves of the land, slopes towards the Patapsco River, its presence felt in the cool, damp air that often clings to the hollows. Sunlight, filtered through the leaves of ancient oaks and maples, paints shifting mosaics on the forest floor, a living testament to the enduring natural beauty of this Howard County haven. The air itself carries a subtle perfume of earth and pine, a constant reminder of the rural heart that beats beneath the surface of this place. The history of Marriottsville is deeply entwined with the agricultural heritage of Maryland, a legacy evident in the few remaining colonial-era farmsteads that dot the countryside, their weathered barns standing as silent sentinels of a bygone era. The local economy, once dominated by farming and the milling of grain along the Patapsco, has evolved, yet the spirit of its founding remains. Today, Marriottsville is known for its peaceful residential character, a place where families seek solace from the clamor of larger cities, drawn by the promise of open spaces and a slower pace of life. The nearby state parks offer abundant opportunities for recreation, their trails winding through woodlands that echo with the whispers of history, a continuous thread connecting the past to the present in Marriottsville.
Loading news…
Loading news-world…
Loading news-world…
This page provides an interactive Google map of Marriottsville, Maryland with street, satellite and terrain views and integrated Street View imagery. 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 Marriottsville and Howard County.
Detailed location data for Marriottsville includes the ZIP code (21104), telephone area code (240, 301), county seat of Howard County (Ellicott City), 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 Marriottsville is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 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. |