Portage Flag

Portage

County:
Columbia County
County Seat:
Yes
Area (mi²):
8.907
State:
Wisconsin

Portage is a city located in Columbia County, Wisconsin. Portage has a 2026 population of 9,975. It is also the county seat of Columbia County. Portage is currently growing at a rate of 0.91% annually but its population has decreased by -5.76% since the most recent census, which recorded a population of 10,585 in 2020.

10K
Total Population
1,120
Density (mi²)
90 0.91%
Growth