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County · Wisconsin

Jefferson County

86,245Population
0.1 %Change since 2020
259Net migration
2.9 %Unemployment rate

Facts

Population
86,245 (2024)
Change since 2020
0.1 %
Net migration
259 (2023)
Unemployment rate
2.9 % (2025)
Population base, April 2020
86,163 (2020)
Births
789 (2023)
Births per 1,000 residents, 2023
9.1
Deaths
868 (2023)
Deaths per 1,000 residents, 2023
10.1
Natural change, 2023
-79
International migration
145 (2023)
Domestic migration
114 (2023)
Net migration per 1,000, 2023
3.0
Postal code
WI
FIPS code
55055

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

Unemployment rate, annual average

199020252.93.9
PeriodValue
20252.9 %
20242.6 %
20232.5 %
20222.5 %
20213.2 %
20205.4 %
20192.9 %
20182.8 %
20173.0 %
20163.6 %
20154.1 %
20144.9 %

Population estimates, 2020–2024

2020202486.2K86.2K
PeriodValue
202486,245
202385,971
202285,809
202185,781
202086,208