Howard County is located in the U.S. state of Maryland. As of the 2020 census, the population was 334,529. Since there are no incorporated municipalities, there is no incorporated county seat either. Therefore, its county seat is the unincorporated community of Ellicott City. Howard County is included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area, which is part of the larger Washington–Baltimore combined statistical area.
Maryland City is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 16,093 at the 2010 census. It is located east of Laurel, just over the border with Prince George's County, and it has a Laurel ZIP Code. Maryland City mostly consists of an older, compact housing development and is adjacent to Fort Meade army base. A large newer development on the north side of Maryland Route 198 is known as Russett and is included within the Maryland City CDP.
Elkridge is an unincorporated community and census-designated place (CDP) in Howard County, Maryland, United States. The population was 15,593 at the 2010 census. Founded early in the 18th century, Elkridge is adjacent to two other counties, Anne Arundel and Baltimore.
North Laurel is a census-designated place (CDP) in Howard County, Maryland, United States. The published population was 4,474 at the 2010 census. This population was substantially less than the CDP's population in 2000, and was the result of an error in defining the boundary prior to tabulation and publication of 2010 Census results. The corrected 2010 Census population is 20,259. North Laurel is adjacent to the City of Laurel, which is located across the Patuxent River in Prince George's County.
Laurel is a city in Maryland, United States, located midway between Washington, D.C. and Baltimore on the banks of the Patuxent River. While the city limits are entirely in northern Prince George's County, outlying developments extend into Anne Arundel, Montgomery and Howard counties. Founded as a mill town in the early 19th century, Laurel expanded local industry and was later able to become an early commuter town for Washington and Baltimore workers following the arrival of the Baltimore and Ohio Railroad in 1835. Largely residential today, the city maintains a historic district centered on its Main Street, highlighting its industrial past.
Jessup is an unincorporated community and census-designated place in Howard and Anne Arundel counties, about 15 miles (24 km) southwest of Baltimore, Maryland, United States. Per the 2020 census, the population was 10,535.
The Patuxent River is a tributary of the Chesapeake Bay in the state of Maryland. There are three main river drainages for central Maryland: the Potomac River to the west passing through Washington, D.C., the Patapsco River to the northeast passing through Baltimore, and the Patuxent River between the two. The 908-square-mile (2,352 km2) Patuxent watershed had a rapidly growing population of 590,769 in 2000. It is the largest and longest river entirely within Maryland, and its watershed is the largest completely within the state.
Savage is an unincorporated community and census-designated place located in Howard County, Maryland, United States, approximately 18 miles (29 km) south of Baltimore and 21 miles (34 km) north of Washington, D.C. It is situated close to the city of Laurel and to the planned community of Columbia. As of the 2020 census, it had a population of 7,542. The former mill town is a registered historic place, and has several original buildings preserved within and around the Savage Mill Historic District.
Lisbon is a census-designated place located in western Howard County in the state of Maryland, United States, located roughly between Baltimore and Frederick and north of Washington, D.C. It is contained in an area of roughly one square mile. Lisbon is located along Interstate 70 and Maryland Route 144 and is home to the first roundabout in Maryland. It first appeared as a CDP in the 2020 Census with a population of 282.
Highland is an unincorporated community and census-designated place in Howard County, Maryland, United States. As of the 2020 census it had a population of 1,133. It uses the 20777 zip code.
Maryland Route 216 is a state highway in the U.S. state of Maryland. Known for most of its length as Scaggsville Road, the highway runs 8.73 miles (14.05 km) from MD 108 at Highland east to MD 198 in Laurel. MD 216 connects Highland, Fulton, Scaggsville, and North Laurel in southern Howard County with Laurel in far northern Prince George's County. The highway connects those communities with Interstate 95 (I-95) and U.S. Route 29.
U.S. Route 29 is a north–south United States highway that runs for 1,036 miles (1,667 km) from the western suburbs of Baltimore, Maryland, to Pensacola, Florida. In the U.S. state of Maryland, US 29 is a major highway that emerges from Washington, D.C., and runs north into eastern Montgomery County, stretching over 25.859 miles (41.62 km) through the state and terminating at Maryland Route 99 outside of Ellicott City. It serves the cities of Columbia and Ellicott City and provides the westernmost north–south route between Washington, D.C., and Baltimore.
Ilchester is an unincorporated community and census-designated place in Howard County, Maryland, United States. The population was 23,476 at the 2010 census. It was named after the village of Ilchester in the English county of Somerset.
Queen Anne in Prince George's County, Maryland, United States, is a former port on the Patuxent River. It was delineated as a CDP for the 2010 census, at which time it had a population of 1,280. Per the 2020 census, the population was 1,405.
Fulton is a census-designated place located in southern Howard County, Maryland, United States. As of the 2010 census it had a population of 2,049.
Triadelphia Reservoir is located on the Patuxent River, in Howard County and Montgomery County, Maryland near the town of Brookeville.
Whiskey Bottom Road is a historic road north of Laurel, Maryland that traverses Anne Arundel and Howard Counties in an area that was first settled by English colonists in the mid-1600s. The road was named in the 1880s in association with one of its residents delivering whiskey after a prohibition vote. With increased residential development after World War II, it was designated a collector road in the 1960s; a community center and park are among the most recent roadside developments.
Maryland Route 983 was the unsigned designation for a pair of state highways in the U.S. state of Maryland. The highways formed parts of the old alignment of MD 216 on either side of Interstate 95 (I-95) in North Laurel in southeastern Howard County, Maryland. MD 983 had a length of 1.02 miles (1.64 km) and ran on the east side of I-95. MD 983A spanned 0.71 miles (1.14 km) on the west side of I-95. MD 216 through North Laurel was built in the early 1920s. The segments of MD 983 were designated when MD 216 was relocated east of I-95 in the early 1960s and west of I-95 in the late 1970s. In 2017, both MD 983 and MD 983A were removed from the state highway system and transferred to county maintenance.
The Souder House is a historic commercial building located in Scaggsville, Maryland, Howard County, Maryland, now owned by the Howard County Government.
United States
Maryland 
