Sussex, Wisconsin Population 2021

11,279
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Sussex is a city located in Waukesha County Wisconsin. With a 2020 population of 11,279, it is the 82nd largest city in Wisconsin and the 2858th largest city in the United States . Sussex is currently growing at a rate of 1.34% annually and its population has increased by 7.24% since the most recent census, which recorded a population of 10,518 in 2010. Sussex reached it's highest population of 11,279 in 2021. Spanning over 8 miles, Sussex has a population density of 1,449 people per square mile.

The average household income in Sussex is $103,204 with a poverty rate of 5.49%. The median rental costs in recent years comes to $987 per month, and the median house value is $286,300. The median age in Sussex is 37.5 years, 35.1 years for males, and 39.5 years for females.

Sussex Demographics

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

  • White: 93.73%
  • Asian: 4.53%
  • Two or more races: 1.20%
  • Black or African American: 0.28%
  • Other race: 0.26%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Sussex, Wisconsin is 11,279 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 10,832.The last official US Census in 2010 recorded the population at 10,518.

Sussex, Wisconsin Population 2021

Population by Race

Race Population Percentage
White10,15493.73%
Asian4914.53%
Two or More Races1301.20%
Black or African American300.28%
Some Other Race280.26%
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Sussex Population by Race

Sussex Population Pyramid $2021

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Sussex Median Age

37.5


Total

35.1


Male

39.5


Female

Sussex Adults

There are 8,033 adults, (1,224 of whom are seniors) in Sussex.

Sussex Age Dependency

59.1

Age Dependency Ratio

18

Old Age Dependency Ratio

41.1

Child Dependency Ratio

Sussex Sex Ratio

Female

5,475

50.54%

Male

5,358

49.46%

Sussex Population by Age

Sussex Renter vs Owner Occupied by Household Type

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Sussex Household Types

Type Owner Renter
Married90.2%9.8%
Male80.9%19.1%
All68.8%31.2%
Female44.8%55.2%
Non Family34.9%65.1%

68.8%

Rate of Home Ownership

Sussex Households and Families

Type Count Average Size Owned
All4,1912.5868.8
Married2,4103.290.2
Non Family1,3031.334.9
Female3682.844.8
Male1103.6380.9

3.12

Average Family Size

2.58

Average Household Size

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Sussex Households by Type

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Education Attained Count Percentage
Less Than 9th Grade570.78%
9th to 12th Grade801.10%
High School Graduate1,54721.22%
Some College1,36818.76%
Associates Degree84611.60%
Bachelors Degree2,56635.19%
Graduate Degree82811.35%
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Sussex Educational Attainment by Sex (over 25)

Sussex Educational Attainment by Race

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Race Total High School Bachelors
White6,8396,7083,068
Asian300300274
Hispanic737335
2+ Races636317
Black1711
Other Race1212

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

The highest rate of bachelors degrees is among asian people with a rate of 91.33%.

Sussex Educational Attainment by Race

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Name Average Male Female
Overall$54,156$66,103$43,526
Less Than 9th Grade$$$
High School Graduate$45,833$56,313$32,012
Some College$43,350$53,821$35,433
Bachelors Degree$62,745$85,625$51,904
Graduate Degree$76,544$96,932$68,125

$54,156

Average Earnings

$66,103

Average Male

$43,526

Average Female

Sussex Earnings by Educational Attainment

Sussex Language by Age

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Sussex Language

93.83% of Sussex residents speak only English, while 6.17% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.60% of the population.

Sussex Language

Sussex Poverty by Race

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5.49%

Overall Poverty Rate

4.26%

Male Poverty Rate

6.71%

Female Poverty Rate

Poverty in Sussex

The race most likely to be in poverty in Sussex is White, with 5.93% below the poverty level.

The race least likely to be in poverty in Sussex is White, with 5.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.85%. Among those working part-time, it was 6.80%, and for those that did not work, the poverty rate was 10.89%.

Sussex Poverty

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Name Poverty
Less Than 9th Grade21.17%
Some College7.90%
High School4.33%
Bachelors or Greater2.00%

Sussex Poverty Rate by Education

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Rate Poverty
Male Unemployed11.38%
Female Employed3.61%
Male Employed1.35%
Female Unemployed0.00%

Sussex Poverty Rate by Employment Status and Sex

Sussex Income by Household Type

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Name Median Mean
Households$91,387$103,204
Families$108,472$118,192
Married Families$117,500-
Non Families$56,042$67,752
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Income by Household Type

Sussex Marital Status

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Marriage Rates

58.9%

Overall Marriage Rate

60.8%

Male Marriage Rate

57.2%

Female Marriage Rate

Sussex Married by Age and Sex

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Sussex 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 35-44.

Sussex Marital Status by Race

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Sussex Marital Status

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373

Number of Veterans

366

Male Veterans

7

Female Veterans

War Veterans
Vietnam178
Korea53
First Gulf War30
Second Gulf War21
World War II

Sussex Veterans by War

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Age Group Veterans
65 to 74125
75+121
35 to 5468
55 to 6438
18 to 3421

Sussex Veterans by Age

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Name Veterans % of Total
White3674.80%
Black635.29%

Sussex Veterans by Race

Sussex Veterans by Education

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0.00%

Veteran Poverty Rate

33.78%

Veteran Disability Rate

Sussex Veterans by Education

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75.1%

Labor Force Participation

72.9%

Employment Rate

3%

Unemployment Rate

Sussex Employment by Age

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Sussex Employment by Race

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Sussex 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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81.03%

Born in Sussex

95.17%

Native Born

4.83%

Foreign Born

2.68%

Non Citizen

2.15%

Naturalized

Place of Birth

95.17% of Sussex residents were born in the United States, with 81.03% having been born in Wisconsin. 2.68% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Sussex Place of Birth

Year Population Growth Annual Growth Rate
202111,2791491.34%
202011,1301491.36%
201910,9811491.38%
201810,832130.12%
201710,819500.46%
201610,769210.20%
201510,748-8-0.07%
201410,756560.52%
201310,700460.43%
201210,654600.57%
201110,594520.49%
201010,5421,7141.79%
20008,8283,7895.77%
19905,0391,5573.77%
19803,4827242.36%
19702,7580.00%

Sussex Population by Year