Maryland 2019 Population By County
Updated on June 22, 2021.

According to the US Census Bureau population estimates, there were 6,045,680 people living in Maryland in 2019. Montgomery County was the most populated county with 1,050,688 residents, followed by Prince George's County with 909,327 residents, and Baltimore County with 827,370 residents. Kent County with a population of 19,422 was the least populated county in Maryland in 2019.

Use the map below to interactively explore the population of each county in Maryland in 2019. The data can also be explored further by sorting and filtering with the table below.

Maryland 2019 Population By County
See also Population estimate for other years:
Table of Maryland 2019 Population By County
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County Population % of State Population
Allegany 70,416 1.17%
Anne Arundel 579,234 9.58%
Baltimore 827,370 13.69%
Calvert 92,525 1.53%
Caroline 33,406 0.55%
Carroll 168,447 2.79%
Cecil 102,855 1.70%
Charles 163,257 2.70%
Dorchester 31,929 0.53%
Frederick 259,547 4.29%
Garrett 29,014 0.48%
Harford 255,441 4.22%
Howard 325,690 5.39%
Kent 19,422 0.32%
Montgomery 1,050,688 17.38%
Prince George's 909,327 15.04%
Queen Anne's 50,381 0.83%
St. Mary's 113,510 1.88%
Somerset 25,616 0.42%
Talbot 37,181 0.62%
Washington 151,049 2.50%
Wicomico 103,609 1.71%
Worcester 52,276 0.87%
Baltimore city 593,490 9.82%