Maryland Counties Map

Maryland highlighted on the US map.
The State of Maryland highlighted on the US map.

Map of Maryland Counties

Below is a map of the 23 counties of Maryland (you can click on the map to enlarge it and to see the major city in each state).

Colorful Maryland counties map showing counties, main cities, rivers, and neighboring counties.
Maryland Counties Map with cities.

Interactive Map of Maryland Counties

Click on any of the counties on the map to see the county’s population, economic data, time zone, and zip code (the data will appear below the map). Data is sourced from the US Census 2021.

List of the Counties of Maryland:

Note: Baltimore City is an independent city and not part of any county, even though it is surrounded by Baltimore County.

CountyPopulationPer sq. kmLargest City
Allegany County68,68462.81Cumberland
Anne Arundel County584,064543.64Glen Burnie
Baltimore City592,2112824.77Baltimore
Baltimore County850,702548.93Dundalk
Calvert County92,515167.55Chesapeake Ranch Estates
Caroline County33,23440.17Denton
Carroll County172,148148.49Eldersburg
Cecil County103,370115.25Elkton
Charles County165,209139.33Waldorf
Dorchester County32,48623.19Cambridge
Frederick County267,498156.35Frederick
Garrett County28,95517.22Oakland
Harford County259,162228.91Bel Air South
Howard County329,248506.57Columbia
Kent County19,33526.95Chestertown
Montgomery County1,057,201827.75Germantown
Prince George’s County957,767766.18Bowie
Queen Anne’s County49,70251.63Stevensville
Somerset County24,83429.99Princess Anne
St. Mary’s County113,209121.89California
Talbot County37,51053.93Easton
Washington County153,956129.85Hagerstown
Wicomico County103,223106.44Salisbury
Worcester County52,32243.13Ocean Pines