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County · Wisconsin

Washington County

138,727Population
1.4 %Change since 2020
594Net migration
2.8 %Unemployment rate

Facts

Population
138,727 (2024)
Change since 2020
1.4 %
Net migration
594 (2023)
Unemployment rate
2.8 % (2025)
Population base, April 2020
136,763 (2020)
Births
1,274 (2023)
Births per 1,000 residents, 2023
9.2
Deaths
1,335 (2023)
Deaths per 1,000 residents, 2023
9.6
Natural change, 2023
-61
International migration
132 (2023)
Domestic migration
462 (2023)
Net migration per 1,000, 2023
4.3
Postal code
WI
FIPS code
55131

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

Unemployment rate, annual average

199020252.83.8
PeriodValue
20252.8 %
20242.6 %
20232.4 %
20222.4 %
20213.1 %
20205.8 %
20192.8 %
20182.6 %
20172.8 %
20163.3 %
20153.7 %
20144.5 %

Population estimates, 2020–2024

20202024138.7K136.8K
PeriodValue
2024138,727
2023138,496
2022137,999
2021137,361
2020136,811