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 2025 population of 9,821. It is also the county seat of Columbia County. Portage is currently declining at a rate of -1.52% annually and its population has decreased by -7.2% since the most recent census, which recorded a population of 10,583 in 2020.

The average household income in Portage is $74,897 with a poverty rate of 13.87%. The median age in Portage is 36.8 years: 36.7 years for males, and 36.9 years for females.

Demographics

The racial composition of Portage includes 87.13% White, 5.33% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	9,039	87.13%
Black or African American	553	5.33%
Two or more races	449	4.33%
Other race	206	1.99%
Asian	74	0.71%
Native American	53	0.51%
Native Hawaiian or Pacific Islander	0	0%

Portage Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Portage's average per capita income is $44,964. Household income levels show a median of $62,785. The poverty rate stands at 13.87%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$92,083	-
Families	$74,570	$87,240
Households	$62,785	$74,897
Non Families	$39,482	$52,445

$44,964

Average Income

$62,785

Median Household Income

13.87%

Poverty Rate