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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

The poverty rate is what most separates Portage County from the typical county: 5.1% of residents live below the federal poverty line, against 12.4% nationally. With 70,375 residents, Portage County is a county in Wisconsin. It ranks #23 among counties in Wisconsin by population.

Households take in a median $73,284, comfortably below the US median of $78,538. The poverty rate, 5.1%, is on the lower side for US counties and below the national 12.4%. A typical home is worth $230,400, with typical rent around $903.

Educational attainment is on the higher side for US counties — 33.7% of adults hold a four-year degree, near the national 35.0%. About 11.5% of workers primarily work from home, below the national 14.0%, and the average commute runs about 20 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
Portage County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

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.