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County · Wisconsin

Rock County

165,461Population
1.1 %Change since 2020
571Net migration
3.5 %Unemployment rate

Facts

Population
165,461 (2024)
Change since 2020
1.1 %
Net migration
571 (2023)
Unemployment rate
3.5 % (2025)
Population base, April 2020
163,687 (2020)
Births
1,787 (2023)
Births per 1,000 residents, 2023
10.8
Deaths
1,839 (2023)
Deaths per 1,000 residents, 2023
11.1
Natural change, 2023
-52
International migration
181 (2023)
Domestic migration
390 (2023)
Net migration per 1,000, 2023
3.5
Postal code
WI
FIPS code
55105

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

Unemployment rate, annual average

199020253.55.5
PeriodValue
20253.5 %
20243.2 %
20233.2 %
20223.4 %
20214.6 %
20207.4 %
20193.6 %
20183.3 %
20173.8 %
20164.4 %
20155.1 %
20146.1 %

Population estimates, 2020–2024

20202024165.5K163.8K
PeriodValue
2024165,461
2023164,443
2022163,959
2021164,128
2020163,761