Maryland Population By County in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the population of Maryland was 6,028,186. Among all Maryland counties, Montgomery had the highest population (1,047,239), followed by Prince George's (910,946), and Baltimore (828,956). Kent was the least populated county (19,486).

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.

See this for other years:
Maryland Population By County in 2017
less than 25K25K - 50K50K - 100K100K - 200K200K - 500KOver 500K
Maryland Population By County in 2017
County
Population
% of State Population
Montgomery 1,047,239 17.37
Prince George's 910,946 15.11
Baltimore 828,956 13.75
Baltimore city 610,853 10.13
Anne Arundel 571,359 9.48
Howard 319,409 5.30
Harford 251,948 4.18
Frederick 251,037 4.16
Carroll 167,687 2.78
Charles 159,718 2.65
Washington 150,247 2.49
St. Mary's 112,627 1.87
Cecil 102,509 1.70
Wicomico 102,471 1.70
Calvert 91,492 1.52
Allegany 71,363 1.18
Worcester 51,721 0.86
Queen Anne's 49,648 0.82
Talbot 37,057 0.62
Caroline 33,122 0.55
Dorchester 32,093 0.53
Garrett 29,276 0.49
Somerset 25,922 0.43
Kent 19,486 0.32
Items per page:
1 – 24 of 24