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County · Illinois

Stephenson County

43,088Population
-3.6 %Change since 2020
-123Net migration
4.5 %Unemployment rate

Facts

Population
43,088 (2024)
Change since 2020
-3.6 %
Net migration
-123 (2023)
Unemployment rate
4.5 % (2025)
Population base, April 2020
44,700 (2020)
Births
393 (2023)
Births per 1,000 residents, 2023
9.1
Deaths
619 (2023)
Deaths per 1,000 residents, 2023
14.4
Natural change, 2023
-226
International migration
59 (2023)
Domestic migration
-182 (2023)
Net migration per 1,000, 2023
-2.9
Postal code
IL
FIPS code
17177

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

Unemployment rate, annual average

199020254.55.9
PeriodValue
20254.5 %
20244.8 %
20235.0 %
20224.6 %
20215.6 %
20207.2 %
20194.3 %
20184.7 %
20174.7 %
20165.8 %
20156.6 %
20147.3 %

Population estimates, 2020–2024

2020202443.1K44.6K
PeriodValue
202443,088
202343,347
202243,702
202144,130
202044,573