South Milwaukee, Wisconsin Population 2021

20,526
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South Milwaukee is a city located in Milwaukee County Wisconsin. With a 2020 population of 20,526, it is the 40th largest city in Wisconsin and the 1816th largest city in the United States . South Milwaukee is currently declining at a rate of -0.41% annually and its population has decreased by -2.98% since the most recent census, which recorded a population of 21,156 in 2010. South Milwaukee reached it's highest population of 23,297 in 1970. Spanning over 5 miles, South Milwaukee has a population density of 4,251 people per square mile.

The average household income in South Milwaukee is $66,639 with a poverty rate of 16.81%. The median rental costs in recent years comes to $838 per month, and the median house value is $162,000. The median age in South Milwaukee is 40.9 years, 39.8 years for males, and 42.9 years for females.

South Milwaukee Demographics

According to the most recent ACS, the racial composition of South Milwaukee was:

  • White: 91.05%
  • Two or more races: 3.47%
  • Black or African American: 3.00%
  • Other race: 1.21%
  • Asian: 0.66%
  • Native American: 0.55%
  • Native Hawaiian or Pacific Islander: 0.05%
The current population of South Milwaukee, Wisconsin is 20,526 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 20,781.The last official US Census in 2010 recorded the population at 21,156.

South Milwaukee, Wisconsin Population 2021

Population by Race

Race Population Percentage
White19,08291.05%
Two or More Races7273.47%
Black or African American6293.00%
Some Other Race2541.21%
Asian1380.66%
American Indian and Alaska Native1160.55%
Native Hawaiian and Other Pacific Islander110.05%
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South Milwaukee Population by Race

South Milwaukee Population Pyramid $2021

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South Milwaukee Median Age

40.9


Total

39.8


Male

42.9


Female

South Milwaukee Adults

There are 16,481 adults, (3,531 of whom are seniors) in South Milwaukee.

South Milwaukee Age Dependency

61.8

Age Dependency Ratio

27.3

Old Age Dependency Ratio

34.6

Child Dependency Ratio

South Milwaukee Sex Ratio

Female

10,711

51.11%

Male

10,246

48.89%

South Milwaukee Population by Age

South Milwaukee Renter vs Owner Occupied by Household Type

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South Milwaukee Household Types

Type Owner Renter
Married76.9%23.1%
All59%41%
Male58.9%41.1%
Non Family47.5%52.5%
Female34.6%65.4%

59.0%

Rate of Home Ownership

South Milwaukee Households and Families

Type Count Average Size Owned
All8,6072.459
Married3,6833.0276.9
Non Family3,3271.2547.5
Female1,1403.534.6
Male4573.0758.9

3.02

Average Family Size

2.4

Average Household Size

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South Milwaukee Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4152.77%
9th to 12th Grade1,0066.71%
High School Graduate5,37735.88%
Some College3,17321.17%
Associates Degree1,60210.69%
Bachelors Degree2,34915.67%
Graduate Degree1,0657.11%
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South Milwaukee Educational Attainment by Sex (over 25)

South Milwaukee Educational Attainment by Race

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Race Total High School Bachelors
White12,84111,7272,895
Hispanic1,3101,092309
Black36529113
2+ Races29027678
Other Race17512012
Asian12511899
Native American908220
Islander1111

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 79.20%.

South Milwaukee Educational Attainment by Race

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Name Average Male Female
Overall$39,114$46,233$33,052
Less Than 9th Grade$21,040$21,551$20,345
High School Graduate$32,621$41,165$24,270
Some College$38,750$47,083$30,193
Bachelors Degree$49,284$61,484$45,606
Graduate Degree$67,000$64,219$67,417

$39,114

Average Earnings

$46,233

Average Male

$33,052

Average Female

South Milwaukee Earnings by Educational Attainment

South Milwaukee Language by Age

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South Milwaukee Language

86.95% of South Milwaukee residents speak only English, while 13.05% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.09% of the population.

South Milwaukee Language

South Milwaukee Poverty by Race

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Name Total In Poverty Poverty Rate
White16,7922,38714.22%
Hispanic2,55057622.59%
Multiple72735148.28%
Black57625143.58%
Asian1344835.82%
Other2544316.93%

16.81%

Overall Poverty Rate

15.57%

Male Poverty Rate

18.00%

Female Poverty Rate

Poverty in South Milwaukee

The race most likely to be in poverty in South Milwaukee is Multiple, with 48.28% below the poverty level.

The race least likely to be in poverty in South Milwaukee is White, with 14.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.09%. Among those working part-time, it was 17.93%, and for those that did not work, the poverty rate was 21.27%.

South Milwaukee Poverty

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Name Poverty
Less Than 9th Grade35.05%
High School12.11%
Some College11.99%
Bachelors or Greater3.88%

South Milwaukee Poverty Rate by Education

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Rate Poverty
Female Unemployed58.50%
Male Unemployed28.02%
Female Employed9.93%
Male Employed6.28%

South Milwaukee Poverty Rate by Employment Status and Sex

South Milwaukee Income by Household Type

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Name Median Mean
Households$52,678$66,639
Families$63,198$74,952
Married Families$78,088-
Non Families$38,882$49,047
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Income by Household Type

South Milwaukee Marital Status

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Marriage Rates

45.3%

Overall Marriage Rate

46.7%

Male Marriage Rate

44.0%

Female Marriage Rate

South Milwaukee Married by Age and Sex

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South Milwaukee Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

South Milwaukee Marital Status by Race

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South Milwaukee Marital Status

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1,485

Number of Veterans

1,382

Male Veterans

103

Female Veterans

War Veterans
Vietnam436
Second Gulf War273
Korea226
First Gulf War213
World War II61

South Milwaukee Veterans by War

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Age Group Veterans
75+450
65 to 74323
35 to 54279
55 to 64240
18 to 34193

South Milwaukee Veterans by Age

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Name Veterans % of Total
White1,3979.18%
2+ Races3810.83%
Black337.55%
Hispanic271.59%
Islander11100.00%
Native American65.88%

South Milwaukee Veterans by Race

South Milwaukee Veterans by Education

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4.14%

Veteran Poverty Rate

30.19%

Veteran Disability Rate

South Milwaukee Veterans by Education

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63.4%

Labor Force Participation

60.4%

Employment Rate

4.5%

Unemployment Rate

South Milwaukee Employment by Age

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South Milwaukee Employment by Race

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South Milwaukee 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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76.21%

Born in South Milwaukee

93.10%

Native Born

6.90%

Foreign Born

3.99%

Non Citizen

2.92%

Naturalized

Place of Birth

93.10% of South Milwaukee residents were born in the United States, with 76.21% having been born in Wisconsin. 3.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

South Milwaukee Place of Birth

Year Population Growth Annual Growth Rate
202120,526-85-0.41%
202020,611-85-0.41%
201920,696-85-0.41%
201820,781-147-0.70%
201720,928-195-0.92%
201621,123-129-0.61%
201521,252-27-0.13%
201421,279190.09%
201321,260390.18%
201221,221400.19%
201121,181180.09%
201021,163-93-0.04%
200021,2562980.14%
199020,958-111-0.05%
198021,069-2,228-1.00%
197023,2972,9901.38%
196020,3077,4524.68%
195012,8551,7211.45%
194011,1344280.39%
193010,7063,1083.49%
19207,5981,5062.23%
19106,0922,7006.03%
19003,3920.00%

South Milwaukee Population by Year