Skip to main content

Washington County, Wisconsin Demographics 2026

Washington County, Wisconsin has a population of 137,320, the 11th most populous county in Wisconsin. The median household income is $95,851 and the median home value is $316,200. The poverty rate is 5.3%.

Washington County Quick Facts

Population 137,320
Median Household Income $95,851
Median Home Value $316,200
Poverty Rate 5.3%
Unemployment Rate 2.7%
Median Age 43.5 years
Homeownership Rate 78.1%
Affordability Ratio 3.3x
Bachelor's Degree+ 34.8%
High School Graduation 95.6%
Cities/Places 8
Population 137,320 11th of 72
Median Income $95,851 27% higher state
Poverty Rate 5.3%
Unemployment 2.7%

Economy & Housing

Employment

2.7% Unemployment Rate State: 3.3% | National: 5.2%
69.0% Labor Force Participation

Housing Overview

Owner 78.1%
Renter 21.9%
Affordability Index Affordable
3.3x home value to income ratio

People & Demographics

Diversity Index

17out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 36 | National average: 60

Education

Cities & Places in Washington County

CityPopulationMedian IncomePovertyHome Value
West Bend city31,722$75,0437.5%$244,500
Germantown village20,940$104,3373.1%$356,700
Hartford city15,761$74,2528.9%$261,300
Richfield village11,806$135,7744.2%$456,500
Jackson village7,882$95,9605.1%$295,600
Slinger village6,173$99,4572.2%$337,700
Kewaskum village4,367$103,4728.5%$286,800
Newburg village1,285$71,7863.0%$242,500

Explore Wisconsin Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Washington County is located in Wisconsin with a total population of 137,320. It is the 11th most populous county out of 72 in Wisconsin. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Washington County is 43.5 years. This is 8% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Washington County is $95,851. This is 27% higher than the state median of $75,670. Compared to the national median of $78,538, household income here is 22% higher. The poverty rate stands at 5.3%. This is 50% lower than the state poverty rate of 10.6%. The unemployment rate is 2.7%. This is 18% lower than the state rate of 3.3%. The median home value is $316,200. Housing costs are 28% higher than the state median of $247,400. The home-value-to-income ratio is 3.3x. 78.1% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 67.9%.

Race & Ethnicity

Washington County has a predominantly White (non-Hispanic) population, comprising 90.8% of all residents. Hispanic or Latino residents account for 3.7%. The Black or African American population (1.5%) is well below the state average of 6.0%. The Hispanic or Latino population (3.7%) is well below the state average of 7.8%.

Education

34.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher than the state rate of 32.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.6%.

Frequently Asked Questions

What is the population of Washington County, Wisconsin?

Washington County has a population of 137,320, making it the 11th most populous county in Wisconsin.

What is the median income in Washington County?

The median household income in Washington County is $95,851 with a poverty rate of 5.3%.

How many cities are in Washington County, Wisconsin?

Washington County contains 8 Census-designated places.