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County · Illinois

Franklin County

37,033Population
-2.1 %Change since 2020
127Net migration
5.0 %Unemployment rate

Facts

Population
37,033 (2024)
Change since 2020
-2.1 %
Net migration
127 (2023)
Unemployment rate
5.0 % (2025)
Population base, April 2020
37,820 (2020)
Births
381 (2023)
Births per 1,000 residents, 2023
10.3
Deaths
567 (2023)
Deaths per 1,000 residents, 2023
15.3
Natural change, 2023
-186
International migration
20 (2023)
Domestic migration
107 (2023)
Net migration per 1,000, 2023
3.4
Postal code
IL
FIPS code
17055

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

Unemployment rate, annual average

199020255.013.7
PeriodValue
20255.0 %
20245.2 %
20235.2 %
20225.1 %
20216.4 %
202010.0 %
20195.1 %
20186.0 %
20176.2 %
20167.8 %
20158.0 %
20149.2 %

Population estimates, 2020–2024

2020202437K37.7K
PeriodValue
202437,033
202337,156
202237,226
202137,484
202037,717