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County · Wisconsin

Sauk County

66,486Population
1.1 %Change since 2020
243Net migration
2.9 %Unemployment rate

Facts

Population
66,486 (2024)
Change since 2020
1.1 %
Net migration
243 (2023)
Unemployment rate
2.9 % (2025)
Population base, April 2020
65,772 (2020)
Births
730 (2023)
Births per 1,000 residents, 2023
11.0
Deaths
735 (2023)
Deaths per 1,000 residents, 2023
11.1
Natural change, 2023
-5
International migration
252 (2023)
Domestic migration
-9 (2023)
Net migration per 1,000, 2023
3.7
Postal code
WI
FIPS code
55111

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

Unemployment rate, annual average

199020252.95.4
PeriodValue
20252.9 %
20242.6 %
20232.5 %
20222.7 %
20214.0 %
20207.6 %
20192.8 %
20182.5 %
20172.9 %
20163.4 %
20154.0 %
20144.9 %

Population estimates, 2020–2024

2020202466.5K65.8K
PeriodValue
202466,486
202366,143
202265,916
202165,705
202065,793