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County · Illinois

Clay County

12,821Population
-3.5 %Change since 2020
-59Net migration
5.0 %Unemployment rate

Facts

Population
12,821 (2024)
Change since 2020
-3.5 %
Net migration
-59 (2023)
Unemployment rate
5.0 % (2025)
Population base, April 2020
13,289 (2020)
Births
138 (2023)
Births per 1,000 residents, 2023
10.8
Deaths
185 (2023)
Deaths per 1,000 residents, 2023
14.4
Natural change, 2023
-47
International migration
1 (2023)
Domestic migration
-60 (2023)
Net migration per 1,000, 2023
-4.6
Postal code
IL
FIPS code
17025

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

Unemployment rate, annual average

199020255.09.6
PeriodValue
20255.0 %
20245.1 %
20235.5 %
20225.0 %
20215.9 %
20209.4 %
20194.6 %
20185.4 %
20175.5 %
20167.0 %
20157.0 %
20148.0 %

Population estimates, 2020–2024

2020202412.8K13.3K
PeriodValue
202412,821
202312,945
202213,053
202113,166
202013,273