The Demographic
Services Center annually produces population estimates for Wisconsin
counties and municipalities. The estimates are based on the prior
census and analysis of contemporary data including housing units,
dormitory and institutional populations, automobile registrations, and other indicators of population change. DSC releases
preliminary population estimates by August 10, and final population
estimates by October 10, with a reference date of January 1 of the
current year.
January 1, 2021 Preliminary Population Estimates
January 1, 2020 Final Population Estimates
Time Series Population Estimates (1970 - 2020)
Housing Unit Estimates