Maryland Citizen Voting-age Population By County in 2023 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen voting-age population for Maryland was 4,390,315 and represented 71.15% of the total Maryland population.

Among all Maryland counties, Montgomery had the highest citizen voting-age population (684.78K), followed by Baltimore (624.42K), and Prince George's (623.96K).

In terms of percentages, Kent had the highest percentage of its population being citizens of voting-age (82.72%), followed by Garrett (81.37%), and Allegany (81.25%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

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

See this for other years:
Maryland Citizen Voting-age Population By County in 2023
Maryland Citizen Voting-age Population By County in 2023
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County Citizen Voting-age Population % of County Population
Montgomery 684775 64.75
Baltimore 624415 73.50
Prince George's 623960 65.30
Anne Arundel 434860 73.59
Baltimore city 432645 74.96
Howard 231185 69.24
Frederick 201005 71.70
Harford 199110 75.85
Carroll 132420 75.96
Charles 123375 73.13
Washington 116615 75.22
St. Mary's 84970 74.29
Cecil 79485 76.16
Wicomico 75895 72.90
Calvert 71170 75.88
Allegany 55055 81.25
Worcester 42820 80.37
Queen Anne's 38995 76.54
Talbot 29110 77.21
Dorchester 25130 77.06
Caroline 24175 72.37
Garrett 23365 81.37
Somerset 19840 80.37
Kent 15935 82.72