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| City | Dayton |
| State | Maryland (MD) |
| County | Howard |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.239272 |
| Longitude | -76.986644 |
| Population | 1,800 |
| Density | 55.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21036 |
| Area Code | 240, 301 |
| County Seat | Ellicott City |
Dayton is a locality in Howard County, Maryland, United States. It has a population of approximately 1,800. The population density is 55.0 people per km². Dayton is located at 39.2393°N, 76.9866°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21036.
Dayton settles into the rolling terrain of Howard County, a landscape softened by time and cultivation. It lies 3.5 miles south-south-west of Howard, MD (from Howard, MD: bearing 200°T), and is situated 7.9 miles west of Columbia. Here, the land breathes with a gentle incline, the earth a rich tapestry of loamy soil that cradles sprawling residences and verdant fields. Mature trees, their branches reaching like supplicant arms towards the sky, punctuate the horizon, their leaves whispering secrets in the humid Maryland air. The light here, especially as it slants through the oaks and maples in the late afternoon, casts long, melancholic shadows, imbuing the very atmosphere with a quiet, contemplative mood. It is a place where the sky feels vast, yet intimately present, a constant presence over the scattered homes and the winding country roads that define Dayton. The origins of Dayton are rooted in the agricultural heritage of this region, a history that still whispers through the fields of corn and soybeans that dot the landscape. While the precise founding dates are lost to the casual observer, the economy of Dayton has steadily evolved, transitioning from its agrarian past to a more diversified present, incorporating professional services and retail that cater to the growing population of the surrounding metropolitan area. This evolution has not erased the sense of a connected past; the old stone foundations of forgotten farmsteads sometimes emerge from the earth after a heavy rain, stark reminders of the lives that once sustained this land. Though not a place of grand pronouncements or bustling tourist attractions, Dayton possesses a quiet dignity, its character shaped by the enduring rhythms of nature and the persistent hum of suburban life unfolding with a deliberate, unhurried grace.
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This page provides an embedded street and satellite map of Dayton, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.239272, -76.986644. 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 Dayton and Howard County.
Detailed location data for Dayton includes the ZIP code (21036), 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 Dayton 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. |