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County · Illinois

Union County

16,886Population
-2.7 %Change since 2020
40Net migration
4.6 %Unemployment rate

Facts

Population
16,886 (2024)
Change since 2020
-2.7 %
Net migration
40 (2023)
Unemployment rate
4.6 % (2025)
Population base, April 2020
17,353 (2020)
Births
156 (2023)
Births per 1,000 residents, 2023
9.2
Deaths
227 (2023)
Deaths per 1,000 residents, 2023
13.4
Natural change, 2023
-71
International migration
49 (2023)
Domestic migration
-9 (2023)
Net migration per 1,000, 2023
2.4
Postal code
IL
FIPS code
17181

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

Unemployment rate, annual average

199020254.610.6
PeriodValue
20254.6 %
20244.7 %
20235.1 %
20224.9 %
20215.4 %
20207.5 %
20195.2 %
20186.2 %
20176.1 %
20166.9 %
20157.6 %
20148.8 %

Population estimates, 2020–2024

2020202416.9K17.3K
PeriodValue
202416,886
202316,866
202216,901
202117,035
202017,298