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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

#CountyPopulation 2021Area (sq. mi.)
1Montgomery County1,054,827507
2Prince George’s County955,306498
3Baltimore County849,316682
4Anne Arundel County590,336588
5Baltimore City576,49892
6Howard County334,529254
7Frederick County279,835667
8Harford County262,977527
9Carroll County173,873452
10Charles County168,698643
11Washington County154,937468
12St. Mary’s County114,468611
13Wicomico County103,980400
14Cecil County103,905418
15Calvert County93,928345
16Allegany County67,729430
17Worcester County53,132695
18Queen Anne’s County50,798510
19Talbot County37,626477
20Caroline County33,386326
21Dorchester County32,489540
22Garrett County28,702656
23Somerset County24,584611
24Kent County19,270414

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

#CityCountyPopulation 2020
1Baltimore—585,708
2Frederick Frederick78,171
3GaithersburgMontgomery69,657
4RockvilleMontgomery67,117
5BowiePrince George’s58,329
6HagerstownWashington43,527
7AnnapolisAnne Arundel40,812
8College ParkPrince George’s34,740
9SalisburyWicomico33,050
10LaurelPrince George’s30,060
11GreenbeltPrince George’s24,921
12HyattsvillePrince George’s21,187
13WestminsterCarroll20,126
14CumberlandAllegany19,076
15Takoma ParkMontgomery17,629
16EastonTalbot17,101
17AberdeenHarford16,254
18ElktonCecil15,807
19Havre de GraceHarford14,807
20New CarrolltonPrince George’s13,715

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

#CountyPopulation 2021
1Montgomery County1,054,827
2Prince George’s County955,306
3Baltimore County849,316
4Anne Arundel County590,336
5Baltimore City576,498
6Howard County334,529
7Frederick County279,835
8Harford County262,977
9Carroll County173,873
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

#CountyPopulation 2021
1Kent County19,270
2Somerset County24,584
3Garrett County28,702
4Dorchester County32,489
5Caroline County33,386

source: US Census 2021

read about religion in Maryland

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

#CountyArea (sq. mi.)
1Worcester County695
2Baltimore County682
3Frederick County667
4Garrett County656
5Charles County643
6Somerset County611
7St. Mary’s County611
8Anne Arundel County588
9Dorchester County540
10Harford County527
Smallest County in Maryland by area

The smallest county by area in Maryland is Baltimore with an area of 92 square miles.

#CountyArea (sq. mi.)
1Baltimore City92
2Howard County254
3Caroline County326
4Calvert County345
5Wicomico County400

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

#CountyDensity (people/sq. mi)
1Baltimore City6,266.28
2Montgomery County2,080.53
3Prince George’s County1,918.29
4Howard County1,317.04
5Baltimore County1,245.33
6Anne Arundel County1,003.97
7Harford County499.01
8Frederick County419.54
9Carroll County384.67
10Washington County331.06
Least densely Populated County in Maryland
#CountyDensity (people/sq. mi)
1Somerset County40.24
2Garrett County43.75
3Kent County46.55
4Dorchester County60.16
5Worcester County76.45

Sources

Religion in United States
Race and Ethnicity in US
US State by Population
List of Counties in Maryland 2024 | Top Cities in Maryland by population

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