Ranking of Maryland Counties By Net Migration Rate per 1K in 2020

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2020, the Net Migration Rate per 1K for Maryland was -2.2. Among all Maryland counties, Frederick County had the highest net migration rate (13.63), followed by Queen Anne's County (10.26), and Worcester County (9.36).

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 Rate per 1K in 2020
Frederick
Queen Anne's
Worcester
St. Mary's
Calvert
Harford
Howard
Cecil
Anne Arundel
Carroll
Ranking of Maryland Counties By Net Migration Rate per 1K in 2020
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Rank County Net Migration Rate
1 Frederick County 13.63
2 Queen Anne's County 10.26
3 Worcester County 9.36
4 St. Mary's County 4.59
5 Calvert County 3.84
6 Harford County 3.72
7 Howard County 2.89
8 Cecil County 2.58
9 Anne Arundel County 1.89
10 Carroll County 1.85
11 Dorchester County 1.32
12 Charles County 0.92
13 Washington County 0.32
14 Talbot County 0.03
15 Wicomico County -1.28
16 Caroline County -1.91
17 Allegany County -2.73
18 Garrett County -2.8
19 Kent County -3.06
20 Somerset County -3.25
21 Baltimore County -3.64
22 Montgomery County -4.17
23 Prince George's County -6.54
24 Baltimore city -14.62