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List of Cities and Counties in Maryland
Discover Maryland population facts easily with our list of counties and cities. Find out how many people live in each area, from big cities to small towns, and see how Maryland’s population is spread out across the state.
Maryland Counties by Population
A county is an administrative subdivision of a US state or territory. As of 2022, Maryland is divided into 23 counties. In addition, it has one independent city, the City of Baltimore, and is considered the equal of a county for most purposes and is a county-equivalent.
Montgomery is the most populous county in Maryland and Kent county is the Least populated county in Maryland. Worcester County is the largest county by land area and Baltimore City is the smallest by area.
read about the Population of Maryland
# | County | Population 2021 | Area (sq. mi.) |
1 | Montgomery County | 1,054,827 | 507 |
2 | Prince George’s County | 955,306 | 498 |
3 | Baltimore County | 849,316 | 682 |
4 | Anne Arundel County | 590,336 | 588 |
5 | Baltimore City | 576,498 | 92 |
6 | Howard County | 334,529 | 254 |
7 | Frederick County | 279,835 | 667 |
8 | Harford County | 262,977 | 527 |
9 | Carroll County | 173,873 | 452 |
10 | Charles County | 168,698 | 643 |
11 | Washington County | 154,937 | 468 |
12 | St. Mary’s County | 114,468 | 611 |
13 | Wicomico County | 103,980 | 400 |
14 | Cecil County | 103,905 | 418 |
15 | Calvert County | 93,928 | 345 |
16 | Allegany County | 67,729 | 430 |
17 | Worcester County | 53,132 | 695 |
18 | Queen Anne’s County | 50,798 | 510 |
19 | Talbot County | 37,626 | 477 |
20 | Caroline County | 33,386 | 326 |
21 | Dorchester County | 32,489 | 540 |
22 | Garrett County | 28,702 | 656 |
23 | Somerset County | 24,584 | 611 |
24 | Kent County | 19,270 | 414 |
Source: US Census report 2021
read about the race and ethnicity in Maryland
Top cities in Maryland by population
Maryland is divided into 23 counties and contains 157 municipalities consisting of cities, towns, or villages. The most populated city in Maryland is Baltimore with 585,708 individuals residing there. Other Cities have a population of less than 100 thousand.
Let’s have a look at the Top 20 Cities in Maryland by Population
# | City | County | Population 2020 |
1 | Baltimore | — | 585,708 |
2 | Frederick | Frederick | 78,171 |
3 | Gaithersburg | Montgomery | 69,657 |
4 | Rockville | Montgomery | 67,117 |
5 | Bowie | Prince George’s | 58,329 |
6 | Hagerstown | Washington | 43,527 |
7 | Annapolis | Anne Arundel | 40,812 |
8 | College Park | Prince George’s | 34,740 |
9 | Salisbury | Wicomico | 33,050 |
10 | Laurel | Prince George’s | 30,060 |
11 | Greenbelt | Prince George’s | 24,921 |
12 | Hyattsville | Prince George’s | 21,187 |
13 | Westminster | Carroll | 20,126 |
14 | Cumberland | Allegany | 19,076 |
15 | Takoma Park | Montgomery | 17,629 |
16 | Easton | Talbot | 17,101 |
17 | Aberdeen | Harford | 16,254 |
18 | Elkton | Cecil | 15,807 |
19 | Havre de Grace | Harford | 14,807 |
20 | New Carrollton | Prince George’s | 13,715 |
Source: US Census 2020
Most Populous Counties in Maryland
The most populous county in Maryland is Montgomery County with 1 million residents. Its followed by Prince George’s County (0.95 million) and Baltimore County (0.85 million)
Let’s have a look at the Top 10 most populous counties
# | County | Population 2021 |
1 | Montgomery County | 1,054,827 |
2 | Prince George’s County | 955,306 |
3 | Baltimore County | 849,316 |
4 | Anne Arundel County | 590,336 |
5 | Baltimore City | 576,498 |
6 | Howard County | 334,529 |
7 | Frederick County | 279,835 |
8 | Harford County | 262,977 |
9 | Carroll County | 173,873 |
Least Populated Maryland County
The least populous county is Kent County with 19,270 residents, it’s followed by Somerset and Garrett County.
Let’s have look at 5 least populated counties in Maryland
# | County | Population 2021 |
1 | Kent County | 19,270 |
2 | Somerset County | 24,584 |
3 | Garrett County | 28,702 |
4 | Dorchester County | 32,489 |
5 | Caroline County | 33,386 |
source: US Census 2021
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Largest Counties in Maryland by area
The Largest county by Land Area in Maryland is Worcester County with an area of 695 sq. miles. Baltimore County with an area of 682 sq. mi. comes next followed by Frederick county (667 sq. mi.)
Let’s have a look at the Top 10 counties by Area
# | County | Area (sq. mi.) |
1 | Worcester County | 695 |
2 | Baltimore County | 682 |
3 | Frederick County | 667 |
4 | Garrett County | 656 |
5 | Charles County | 643 |
6 | Somerset County | 611 |
7 | St. Mary’s County | 611 |
8 | Anne Arundel County | 588 |
9 | Dorchester County | 540 |
10 | Harford County | 527 |
Smallest County in Maryland by area
The smallest county by area in Maryland is Baltimore with an area of 92 square miles.
# | County | Area (sq. mi.) |
1 | Baltimore City | 92 |
2 | Howard County | 254 |
3 | Caroline County | 326 |
4 | Calvert County | 345 |
5 | Wicomico County | 400 |
source: US Census report 2021
Most Densely populated Counties in Maryland
The most densely populated county in Maryland is Baltimore City, with 6,266 people per sq. mi. Next comes Montgomery county with 2080 people per sq. mi followed by Prince George’s ty (1918/ sq.mi)
Let’s have a look at the Top 10 densely populated counties
# | County | Density (people/sq. mi) |
1 | Baltimore City | 6,266.28 |
2 | Montgomery County | 2,080.53 |
3 | Prince George’s County | 1,918.29 |
4 | Howard County | 1,317.04 |
5 | Baltimore County | 1,245.33 |
6 | Anne Arundel County | 1,003.97 |
7 | Harford County | 499.01 |
8 | Frederick County | 419.54 |
9 | Carroll County | 384.67 |
10 | Washington County | 331.06 |
Least densely Populated County in Maryland
# | County | Density (people/sq. mi) |
1 | Somerset County | 40.24 |
2 | Garrett County | 43.75 |
3 | Kent County | 46.55 |
4 | Dorchester County | 60.16 |
5 | Worcester County | 76.45 |