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Population Review

Portage County, Wisconsin Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 23rd-largest in Wisconsin

The population of Portage County, Wisconsin is 70,375 as of the 2023 American Community Survey, making it the 23rd-largest county in Wisconsin. The median household income is $73,284, the median home value is $230,400, and the median age is 38.1.

The population of Portage County has grown 2.9% since 2010 (70,025 → 72,040), a +0.20% annualized rate.

Portage County within Wisconsin · Source: US Census TIGER/Line via us-atlas

70,375

Population

+0.20%

Annual growth

88

People / sq mi

$73,284

Median Income

$230,400

Median Home Value

Portage County covers 801 sq mi of land at 87.9 people per square mile.

About Portage County, WI

Portage County is a county in Wisconsin with a population of 70,375. It ranks #23 among counties in Wisconsin by population. The median age is 38.1, in line with the national median. The population is 51.1% male and 48.9% female.

The median household income in Portage County is $73,284, near the US median of $74,580. 5.1% of residents live below the federal poverty level. Home values sit at a median of $230,400, with monthly rent averaging $903. The homeownership rate of 69.3% is higher than the national rate of 64.8%.

Educational attainment in Portage County reflects 33.7% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 11.5% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 19.5 minutes each way.

Portage County Population History (2010-2024)

The county of Portage County had a population of 70,025 in 2010 and 72,040 in 2024, a 2.9% growth over 14 years. The peak was 72,040 in 2024. Average annual growth rate: 0.21%.

2024 · 72K20102024

72,040

Population (2024)

70,025

Population (2010)

72,040

Peak (2024)

0.21%

Avg Annual Growth

YearPopulation
201070,025
201170,093
201270,436
201370,535
201470,546
201570,544
201670,483
201770,674
201870,979
201970,943
202070,412
202169,447
202270,799
202371,461
202472,040

Race & Ethnicity

White90.5%
Black or African American0.8%
Asian0.0%
Hispanic or Latino (any race)1.0%
Two or More Races0.0%

Age & Sex

38.1

Median Age

48.9%

Female

51.1%

Male

17.8%

Age 65+

Age Distribution

Under 5
4.6%
5–9
5.5%
10–14
5.4%
15–19
7.9%
20–24
11.1%
25–34
11.9%
35–44
11.4%
45–54
11.0%
55–59
6.3%
60–64
7.0%
65–74
10.9%
75–84
5.3%
85+
1.6%

Children (under 15): 15.5% · Seniors (65+): 17.8%

Income & Poverty

Median household income$73,284$-2,386 vs state
Mean household income$92,252
Per-capita income$39,476
Poverty rate5.1%-1.5% vs state
Unemployment rate2.1%
Employment-to-population64.4%

Top Industries by Employment

Professional & business services
22.5%
Manufacturing
15.2%
Information
10.2%
Education & health care
9.6%
Finance & real estate
7.4%
Construction
5.9%
Retail trade
5.2%
Arts, entertainment & food
4.0%

The largest employment sector in Portage County is professional & business services, accounting for 22.5% of workers.

How residents commute

0.4%

Drive alone

4.0%

Carpool

74.1%

Public transit

11.5%

Work from home

19.5 min

Avg commute

Housing

$230,400$-17,000 vs state

Median home value

$903

Median rent

69.3%

Homeownership rate

31,496

Total housing units

94.1%

Occupied

5.9%

Vacant

30.7%

Renter-occupied

Social & access

95.0%

With health insurance

94.8%

With broadband internet

17.9%

Foreign-born

7.0%

Veterans (18+)

11.4%

With a disability

95.3%

Speak language other than English at home

Education

94.8%

High School+

33.7%

Bachelor's+

Largest cities in Wisconsin

Other counties in Wisconsin

Part of Wisconsin

Metro areas in Wisconsin

County rankings

Frequently Asked Questions

Portage County, Wisconsin has a population of 70,375 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest county in Wisconsin. Population density is 88 people per square mile.

The population of Portage County has grown 2.9% since 2010 (70,025 → 72,040), a +0.20% annualized rate.

The median household income in Portage County, Wisconsin is $73,284, with mean (average) household income of $92,252 and per-capita income of $39,476. 5.1% of residents live below the federal poverty level.

In Portage County, the largest racial and ethnic groups are White (90.5%), Hispanic or Latino (1.0%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Portage County, Wisconsin is 38.1 years. Residents are 48.9% female and 51.1% male.

The median home value in Portage County is $230,400 and median monthly rent is $903. 69.3% of occupied housing units are owner-occupied. The county has 31,496 total housing units, 5.9% of which are vacant.

The largest employment sector in Portage County, Wisconsin is professional, scientific, and management services, employing 22.5% of workers. The unemployment rate is 2.1%.

Milwaukee is among the largest cities associated with Portage County, Wisconsin, with a population of 569,756.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.