Maryland Population By County in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the population of Maryland was 6,180,253. Among all Maryland counties, Montgomery had the highest population (1,058,474), followed by Prince George's (947,430), and Baltimore (844,703). Kent was the least populated county (19,303).

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 2023
Maryland Population By County in 2023
County
Population
% of State Population
Montgomery 1,058,474 17.13
Prince George's 947,430 15.33
Baltimore 844,703 13.67
Anne Arundel 594,582 9.62
Baltimore city 565,239 9.15
Howard 336,001 5.44
Frederick 293,391 4.75
Harford 264,644 4.28
Carroll 176,639 2.86
Charles 171,973 2.78
Washington 155,813 2.52
St. Mary's 115,281 1.87
Cecil 105,672 1.71
Wicomico 104,800 1.70
Calvert 94,728 1.53
Allegany 67,273 1.09
Worcester 54,171 0.88
Queen Anne's 52,508 0.85
Talbot 37,823 0.61
Caroline 33,593 0.54
Dorchester 32,879 0.53
Garrett 28,423 0.46
Somerset 24,910 0.40
Kent 19,303 0.31
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