Washington County, Wisconsin Population 2021

Washington County, Wisconsin's estimated population is 137,212 with a growth rate of 0.43% in the past year according to the most recent United States census data. Washington County, Wisconsin is the 11th largest county inWisconsin. The 2010 Population was 131,988 and has seen a growth of 3.96% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
2021137,2125890.43%
2020136,6235890.43%
2019136,0345890.43%
2018135,4455150.38%
2017134,9306200.46%
2016134,3104040.30%
2015133,9063050.23%
2014133,6016720.51%
2013132,9291970.15%
2012132,7323950.30%
2011132,3373490.26%
2010131,98836,66038.46%
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%
18403430.00%
2021 Growth Rate
0.43% (589)
County Website
Founded
1845
County Seat
2010 Population
131,988
Growth Since 2010
3.96% (5,224)
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Washington County, Wisconsin Population Growth

Population by Race

Race Population Percentage
White127,87294.77%
Two or More Races2,0831.54%
Black or African American1,8151.35%
Asian1,7621.31%
Some Other Race1,0510.78%
American Indian and Alaska Native2960.22%
Native Hawaiian and Other Pacific Islander460.03%
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Washington County, Wisconsin Population by Race

Washington County, Wisconsin Population Pyramid $2021

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Washington County, Wisconsin Median Age

43.2


Total

42.1


Male

44.3


Female

Washington County, Wisconsin Adults

There are 104,964 adults, (23,547 of whom are seniors) in Washington County, Wisconsin.

Washington County, Wisconsin Age Dependency

65.7

Age Dependency Ratio

28.9

Old Age Dependency Ratio

36.8

Child Dependency Ratio

Washington County, Wisconsin Sex Ratio

Female

67,989

50.39%

Male

66,936

49.61%

Washington County, Wisconsin Population by Age

Washington County, Wisconsin Renter vs Owner Occupied by Household Type

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Washington County, Wisconsin Household Types

Type Owner Renter
Female54.5%45.5%
Non Family59.4%40.6%
Male68.3%31.7%
All77.5%22.5%
Married90.5%9.5%

77.5%

Rate of Home Ownership

Washington County, Wisconsin Households and Families

Type Count Average Size Owned
All54,3022.4777.5
Married31,7023.0390.5
Non Family16,3451.2259.4
Female4,0832.8654.5
Male2,1722.9468.3

2.95

Average Family Size

2.47

Average Household Size

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Washington County, Wisconsin Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,2351.30%
9th to 12th Grade3,6383.82%
High School Graduate28,80930.27%
Some College20,69421.74%
Associates Degree10,86611.42%
Bachelors Degree21,14022.21%
Graduate Degree8,7969.24%
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Washington County, Wisconsin Educational Attainment by Sex (over 25)

Washington County, Wisconsin Educational Attainment by Race

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Race Total High School Bachelors
White90,27786,18528,450
Hispanic2,1351,585476
Asian1,092987525
Black1,029959230
Other Race587448171
2+ Races569533211
Native American19919180
Islander462611

The highest rate of high school graduation is among native american people with a rate of 95.98%.

The highest rate of bachelors degrees is among asian people with a rate of 48.08%.

Washington County, Wisconsin Educational Attainment by Race

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Name Average Male Female
Overall$48,934$57,520$38,982
Less Than 9th Grade$35,633$41,450$22,712
High School Graduate$40,385$49,027$29,605
Some College$45,688$54,803$35,416
Bachelors Degree$59,559$74,494$47,297
Graduate Degree$74,289$95,142$64,290

$48,934

Average Earnings

$57,520

Average Male

$38,982

Average Female

Washington County, Wisconsin Earnings by Educational Attainment

Washington County, Wisconsin Language by Age

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Washington County, Wisconsin Language

96.01% of Washington County, Wisconsin residents speak only English, while 3.99% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.74% of the population.

Washington County, Wisconsin Language

Washington County, Wisconsin Poverty by Race

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Name Total In Poverty Poverty Rate
White124,3845,0004.02%
Hispanic4,24658713.82%
Black1,73129817.22%
Multiple2,05426212.76%
Other1,03718117.45%
Asian1,755452.56%
Islander461021.74%

4.61%

Overall Poverty Rate

3.65%

Male Poverty Rate

5.56%

Female Poverty Rate

Poverty in Washington County, Wisconsin

The race most likely to be in poverty in Washington County, Wisconsin is Islander, with 21.74% below the poverty level.

The race least likely to be in poverty in Washington County, Wisconsin is Asian, with 2.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.80%. Among those working part-time, it was 6.68%, and for those that did not work, the poverty rate was 9.72%.

Washington County, Wisconsin Poverty

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Name Poverty
Less Than 9th Grade10.79%
High School5.77%
Some College3.54%
Bachelors or Greater2.32%

Washington County, Wisconsin Poverty Rate by Education

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Rate Poverty
Female Unemployed13.12%
Male Unemployed10.28%
Female Employed3.34%
Male Employed1.58%

Washington County, Wisconsin Poverty Rate by Employment Status and Sex

Washington County, Wisconsin Income by Household Type

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Name Median Mean
Households$77,663$95,722
Families$94,477$110,873
Married Families$102,154-
Non Families$41,790$57,136
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Income by Household Type

Washington County, Wisconsin Marital Status

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Marriage Rates

58.7%

Overall Marriage Rate

59.3%

Male Marriage Rate

58.2%

Female Marriage Rate

Washington County, Wisconsin Married by Age and Sex

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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

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Washington County, Wisconsin Marital Status

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8,387

Number of Veterans

7,848

Male Veterans

539

Female Veterans

War Veterans
Vietnam3,225
Second Gulf War1,248
First Gulf War1,103
Korea888
World War II312

Washington County, Wisconsin Veterans by War

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Age Group Veterans
65 to 742,451
75+2,396
35 to 541,562
55 to 641,330
18 to 34648

Washington County, Wisconsin Veterans by Age

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Name Veterans % of Total
White8,1378.08%
Hispanic1194.64%
Black1129.88%
2+ Races567.06%
Other Race375.59%
Asian362.74%
Native American93.81%

Washington County, Wisconsin Veterans by Race

Washington County, Wisconsin Veterans by Education

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3.01%

Veteran Poverty Rate

26.56%

Veteran Disability Rate

Washington County, Wisconsin Veterans by Education

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69.8%

Labor Force Participation

67.8%

Employment Rate

2.9%

Unemployment Rate

Washington County, Wisconsin Employment by Age

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Washington County, Wisconsin Employment by Race

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Washington County, Wisconsin Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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82.45%

Born in Washington County, Wisconsin

97.43%

Native Born

2.57%

Foreign Born

0.89%

Non Citizen

1.68%

Naturalized

Place of Birth

97.43% of Washington County, Wisconsin residents were born in the United States, with 82.45% having been born in Wisconsin. 0.89% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources