There are 23 counties and one independent city in the U.S. state of Maryland. Many of the counties in Maryland were named for relatives of the Barons Baltimore, who were the proprietors of the Maryland colony from its founding in 1634 through 1771.

There are twenty-three counties and Baltimore City in the U.S. state of Maryland. Though an independent city rather than a county, the City of Baltimore by some is considered the equal of a county for most purposes and is a county-equivalent.

4 days ago · This Maryland County Map on Google Maps interactive tool prominently shows county lines as you explore the map. Along with county borders and roads, it also has options to show county name labels, overlay city limits, civil townships and more.

Map of Maryland Counties & County Seats, courtesy of State Highway Administration, Department of Transportation

Twelve of Maryland's counties are governed by boards of county commissioners. These include Allegany, Calvert, Caroline, Carroll, Charles, Garrett, Kent, Queen Anne's, St. Mary's, Somerset, Washington and Worcester counties.

Twenty-three counties and Baltimore City make up the twenty-four main local jurisdictions found in Maryland. Baltimore City, although a municipality, has been considered on a par with county jurisdictions since the adoption of the Maryland Constitution of 1851.

Local government is found in Maryland's 23 counties, 157 towns and cities, including Baltimore City, and special taxing districts, which are created by state, county, and municipal governments. There are 24 main local jurisdictions found in Maryland, including 23 counties and Baltimore City.

Thirteen of Maryland's counties are governed by boards of county commissioners. These include Allegany, Calvert, Caroline, Carroll, Charles, Frederick, Garrett, Kent, Queen Anne's, St. Mary's, Somerset, Washington and Worcester counties.

A new map of Maryland and Delaware with their canals, roads, & distances, by Henry Schenk Tanner, Philadelphia, 1833 [1836] (Map Collection, Maryland State Archives, MSA SC 1427-1-108).

Jun 28, 2019 · As of 2024, there are a total of 23 counties in the state of Maryland. Among them, Saint Mary’s County is the oldest one (established in 1637) while Garrett County is the youngest (established in 1872). With population of 1,004,709, Montgomery County is the most populated.