Maryland Net International Migration By County in 2021

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2021, the net international migration for Maryland was 9,038. Montgomery County had the highest net international migration (2,914) followed by Prince George's County (2,557), and Baltimore County (1,109). On the other hand, Allegany County had the lowest net international migration (0), followed by Garrett County (3), and Kent County (8).

Net International migration for a given county refers to the difference between the number of people moving to the county from other parts of the world outside the borders of the United States (50 states and District of Columbia) and the number of people moving out of the county to other parts of the world outside the borders of the United States.

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

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.

See this for other years:
Maryland Net International Migration By County in 2021
Maryland Net International Migration By County in 2021
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County Net International Migration
Allegany 0
Anne Arundel 403
Baltimore 1109
Calvert 10
Caroline 30
Carroll 62
Cecil 37
Charles 99
Dorchester 13
Frederick 315
Garrett 3
Harford 50
Howard 410
Kent 8
Montgomery 2914
Prince George's 2557
Queen Anne's 28
St. Mary's 67
Somerset 9
Talbot 23
Washington 72
Wicomico 154
Worcester 23
Baltimore city 642