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County · Maryland

Frederick County

299,317Population
10.2 %Change since 2020
4,920Net migration
3.5 %Unemployment rate

Facts

Population
299,317 (2024)
Change since 2020
10.2 %
Net migration
4,920 (2023)
Unemployment rate
3.5 % (2025)
Population base, April 2020
271,720 (2020)
Births
3,063 (2023)
Births per 1,000 residents, 2023
10.2
Deaths
2,127 (2023)
Deaths per 1,000 residents, 2023
7.1
Natural change, 2023
936
International migration
1,465 (2023)
Domestic migration
3,455 (2023)
Net migration per 1,000, 2023
16.4
Postal code
MD
FIPS code
24021

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020253.53.9
PeriodValue
20253.5 %
20242.7 %
20231.9 %
20222.5 %
20214.0 %
20205.3 %
20192.8 %
20183.2 %
20173.3 %
20163.5 %
20154.4 %
20145.0 %

Population estimates, 2020–2024

20202024299.3K272.8K
PeriodValue
2024299,317
2023294,154
2022288,316
2021280,666
2020272,787