Maryland Population By County in 2022

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2022, the population of Maryland was 6,164,660. Among all Maryland counties, Montgomery[object Promise] had the highest population (1,052,521), followed by Prince George's[object Promise] (946,971), and Baltimore[object Promise] (846,161). Kent[object Promise] was the least populated county (19,320).

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 2022
Maryland Population By County in 2022
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County Population % of State Population
Allegany 67267 1.09
Anne Arundel 593286 9.62
Baltimore 846161 13.73
Calvert 94573 1.53
Caroline 33433 0.54
Carroll 175305 2.84
Cecil 104942 1.70
Charles 170102 2.76
Dorchester 32726 0.53
Frederick 287079 4.66
Garrett 28579 0.46
Harford 263867 4.28
Howard 335411 5.44
Kent 19320 0.31
Montgomery 1052521 17.07
Prince George's 946971 15.36
Queen Anne's 51711 0.84
St. Mary's 114877 1.86
Somerset 24546 0.40
Talbot 37932 0.62
Washington 155590 2.52
Wicomico 104664 1.70
Worcester 53866 0.87
Baltimore city 569931 9.24