Washington County, Wisconsin Population 2024

138,580

Washington County, Wisconsin's estimated 2024 population is 138,580 with a growth rate of 0.3% in the past year according to the most recent United States census data. Washington County, Wisconsin is the 11th largest county in Wisconsin. The 2010 population was 131,990 and has seen a growth of 4.99% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029140,6404120.29%
2028140,2284120.29%
2027139,8164120.3%
2026139,4044120.3%
2025138,9924120.3%
2024138,5804120.3%
2023138,1684120.3%
2022137,7565030.37%
2021137,2534520.33%
2020136,8014990.37%
2019136,3026870.51%
2018135,6156540.48%
2017134,9616370.47%
2016134,3244040.3%
2015133,9203100.23%
2014133,6106720.51%
2013132,9381950.15%
2012132,7434020.3%
2011132,3413510.27%
2010131,99000%
199095,32810,48012.35%
198084,84821,00932.91%
197063,83917,72038.42%
196046,11912,21736.04%
195033,9025,47219.25%
194028,4301,8797.08%
193026,5518383.26%
192025,7131,9298.11%
191023,7841950.83%
190023,5898383.68%
189022,751-691-2.95%
188023,442-477-1.99%
187023,9192971.26%
186023,6224,13721.23%
185019,48519,1425580.76%
1840343-140,297-99.76%
showing: 36 rows
2024 Growth Rate
0.3% (412)
County Website
Washington County
County Seat
2020 Population
136,801
Area
431 mi²
Density
322 people/mi²
Growth Since 2020
1.3% (1,779)
Founded
1845

Washington County, Wisconsin Population 2024

Population by Race

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Race
Population
Percentage (of total)
White126,65492.55%
Two or more races4,9403.61%
Asian1,9541.43%
Black or African American1,8351.34%
Other race1,1480.84%
Native American2840.21%
Native Hawaiian or Pacific Islander270.02%

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Washington County, Wisconsin Population by Race

Washington County, Wisconsin Population Pyramid 2024

Washington County, Wisconsin Median Age

43.4

Total

42.7

Male

44.3

Female

Washington County, Wisconsin Adults

There are 107,668 adults, (25,584 of whom are seniors) in Washington County, Wisconsin.

Washington County, Wisconsin Age Dependency

66.7

Age Dependency Ratio

31.2

Old Age Dependency Ratio

35.5

Child Dependency Ratio

Washington County, Wisconsin Sex Ratio

Female68,25749.88%
Male68,58550.12%

Washington County, Wisconsin Population by Age

Washington County, Wisconsin Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All56,2792.4177.322.7
Married32,2152.9891.18.9
Non Family17,4711.2257.442.6
Female4,3952.7660.139.9
Male2,1982.8867.532.5

2.9

Average Family Size

2.41

Average Household Size

77.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Washington County, Wisconsin Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade9630.99%
9th to 12th Grade3,7073.81%
High School Graduate28,62429.4%
Some College19,13719.66%
Associates Degree11,87612.2%
Bachelors Degree22,63123.25%
Graduate Degree10,41010.69%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Washington County, Wisconsin Educational Attainment by Sex (over 25)

Washington County, Wisconsin Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White91,29987,24130,852
Hispanic2,2521,836537
2+ Races1,9841,846835
Asian1,2991,273676
Black1,083995301
Other Race64943886
Native American17012845
Islander27190

The highest rate of high school graduation is among asian people with a rate of 98%.

The highest rate of bachelors degrees is among asian people with a rate of 52.04%.

Washington County, Wisconsin Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$57,202$66,642$47,151
Less Than 9th Grade$42,663$45,205$27,483
High School Graduate$46,644$53,991$37,589
Some College$53,697$63,152$42,194
Bachelors Degree$72,352$90,065$57,509
Graduate Degree$86,027$103,661$77,641

$57,202

Average Earnings

$66,642

Average Male

$47,151

Average Female

Washington County, Wisconsin Earnings by Educational Attainment

Washington County, Wisconsin Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Washington County, Wisconsin Language

96.16% of Washington County, Wisconsin residents speak only English, while 3.84% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.68% of the population.

Washington County, Wisconsin Language

Washington County, Wisconsin Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White124,5095,2794.24%
Hispanic4,65460312.96%
Multiple4,9093667.46%
Black1,74732018.32%
Other1,13012310.88%
Native271228.12%
Asian1,946211.08%

4.73%

Overall Poverty Rate

4.08%

Male Poverty Rate

5.39%

Female Poverty Rate

Poverty in Washington County, Wisconsin

The race most likely to be in poverty in Washington County, Wisconsin is Black, with 18.32% below the poverty level.

The race least likely to be in poverty in Washington County, Wisconsin is Asian, with 1.08% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.67%. Among those working part-time, it was 6.44%, and for those that did not work, the poverty rate was 10.52%.

Washington County, Wisconsin Poverty

rate

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Rate
Poverty
Less Than 9th Grade10.79%
High School6.18%
Some College3.99%
Bachelors or Greater2.52%

Washington County, Wisconsin Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed13.92%
Female Unemployed8.68%
Female Employed2.99%
Male Employed1.53%

Washington County, Wisconsin Poverty Rate by Employment Status and Sex

Washington County, Wisconsin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$91,915$109,392
Families$108,427$128,566
Married Families$119,050$-999,999,999
Non Families$50,304$62,349

mean

median

Income by Household Type

Washington County, Wisconsin Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.3%

Overall Marriage Rate

59.5%

Male Marriage Rate

57.2%

Female Marriage Rate

Washington County, Wisconsin Married by Age and Sex

male

female

Washington County, Wisconsin Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Washington County, Wisconsin Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Washington County, Wisconsin Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

7,858

Number of Veterans

7,141

Male Veterans

717

Female Veterans

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War
Veterans
Vietnam2,754
Second Gulf War1,659
First Gulf War1,331
Korea518
World War II279

Washington County, Wisconsin Veterans by War

count

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Age Group
Veterans
75+2,155
65 to 742,103
35 to 541,684
55 to 641,350
18 to 34566

Washington County, Wisconsin Veterans by Age

count

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Name
Veterans
% of Total
White7,5127.43%
Black19015.43%
Hispanic1234.27%
Other Race718.69%
2+ Races381.38%
Asian342.3%
Native American136.13%

Washington County, Wisconsin Veterans by Race

Washington County, Wisconsin Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.32%

Veteran Poverty Rate

23.16%

Veteran Disability Rate

Washington County, Wisconsin Veterans by Education

LaborForceParticipation

69%

Labor Force Participation

66.9%

Employment Rate

3.1%

Unemployment Rate

Washington County, Wisconsin Employment by Age

LaborForceParticipation

Washington County, Wisconsin Employment by Race

LaborForceParticipation

Washington County, Wisconsin Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

82.08%

Born in Washington County, Wisconsin

97.47%

Native Born

2.53%

Foreign Born

0.97%

Non Citizen

1.56%

Naturalized

Place of Birth

97.47% of Washington County, Wisconsin residents were born in the United States, with 82.08% having been born in Wisconsin. 0.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Washington County, Wisconsin Place of Birth

Sources