Ranking of Maryland Counties By Net Migration in 2020

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2020, the Net Migration for Maryland was -13.30K. Among all Maryland counties, Frederick County had the highest net migration (3.58K), followed by Anne Arundel County (1.10K), and Harford County (952).

The chart below shows the top 10 counties, and the table below shows the ranking of all Maryland counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Maryland Counties By Net Migration in 2020
Frederick
Anne Arundel
Harford
Howard
St. Mary's
Queen Anne's
Worcester
Calvert
Carroll
Cecil
Ranking of Maryland Counties By Net Migration in 2020
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Rank County Net Migration
1 Frederick County 3582
2 Anne Arundel County 1096
3 Harford County 952
4 Howard County 944
5 St. Mary's County 524
6 Queen Anne's County 522
7 Worcester County 490
8 Calvert County 357
9 Carroll County 313
10 Cecil County 266
11 Charles County 151
12 Washington County 49
13 Dorchester County 42
14 Talbot County 1
15 Kent County -59
16 Caroline County -64
17 Garrett County -81
18 Somerset County -83
19 Wicomico County -133
20 Allegany County -192
21 Baltimore County -3009
22 Montgomery County -4385
23 Prince George's County -5955
24 Baltimore city -8629