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County · Illinois

Cass County

12,713Population
-2.5 %Change since 2020
65Net migration
4.6 %Unemployment rate

Facts

Population
12,713 (2024)
Change since 2020
-2.5 %
Net migration
65 (2023)
Unemployment rate
4.6 % (2025)
Population base, April 2020
13,034 (2020)
Births
164 (2023)
Births per 1,000 residents, 2023
12.9
Deaths
123 (2023)
Deaths per 1,000 residents, 2023
9.7
Natural change, 2023
41
International migration
199 (2023)
Domestic migration
-134 (2023)
Net migration per 1,000, 2023
5.1
Postal code
IL
FIPS code
17017

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

Unemployment rate, annual average

199020254.68.5
PeriodValue
20254.6 %
20244.6 %
20234.3 %
20224.3 %
20214.9 %
20206.4 %
20194.0 %
20184.5 %
20174.4 %
20165.4 %
20155.6 %
20146.9 %

Population estimates, 2020–2024

2020202412.7K13K
PeriodValue
202412,713
202312,779
202212,672
202112,778
202012,976