Maryland Population By County in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the population of Maryland was 6,054,954. Among all Maryland counties, Montgomery had the highest population (1,051,129), followed by Prince George's (911,562), and Baltimore (828,503). Kent was the least populated county (19,426).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Maryland Population By County in 2019
Maryland Population By County in 2019
County
Population
% of State Population
Montgomery 1,051,129 17.36
Prince George's 911,562 15.06
Baltimore 828,503 13.68
Baltimore city 594,601 9.82
Anne Arundel 579,895 9.58
Howard 325,951 5.38
Frederick 260,609 4.30
Harford 255,594 4.22
Carroll 168,774 2.79
Charles 163,733 2.70
Washington 151,066 2.50
St. Mary's 113,764 1.88
Wicomico 104,005 1.72
Cecil 103,092 1.70
Calvert 92,660 1.53
Allegany 70,527 1.17
Worcester 52,261 0.86
Queen Anne's 50,585 0.84
Talbot 37,186 0.61
Caroline 33,509 0.55
Dorchester 31,864 0.53
Garrett 29,049 0.48
Somerset 25,609 0.42
Kent 19,426 0.32
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