Sun Prairie, Wisconsin Population 2021

36,087
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Sun Prairie is a city located in Dane County Wisconsin. With a 2020 population of 36,087, it is the 23rd largest city in Wisconsin and the 1089th largest city in the United States . Sun Prairie is currently growing at a rate of 2.02% annually and its population has increased by 22.90% since the most recent census, which recorded a population of 29,364 in 2010. Sun Prairie reached it's highest population of 36,087 in 2021. Spanning over 13 miles, Sun Prairie has a population density of 2,890 people per square mile.

The average household income in Sun Prairie is $88,946 with a poverty rate of 7.10%. The median rental costs in recent years comes to $1,087 per month, and the median house value is $239,200. The median age in Sun Prairie is 36.5 years, 35.5 years for males, and 37.4 years for females.

Sun Prairie Demographics

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

  • White: 80.05%
  • Black or African American: 8.09%
  • Asian: 6.70%
  • Two or more races: 3.90%
  • Native American: 0.64%
  • Other race: 0.48%
  • Native Hawaiian or Pacific Islander: 0.14%
The current population of Sun Prairie, Wisconsin is 36,087 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 33,948.The last official US Census in 2010 recorded the population at 29,364.

Sun Prairie, Wisconsin Population 2021

Population by Race

Race Population Percentage
White26,67480.05%
Black or African American2,6958.09%
Asian2,2316.70%
Two or More Races1,3003.90%
American Indian and Alaska Native2120.64%
Some Other Race1610.48%
Native Hawaiian and Other Pacific Islander480.14%
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Sun Prairie Population by Race

Sun Prairie Population Pyramid $2021

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Sun Prairie Median Age

36.5


Total

35.5


Male

37.4


Female

Sun Prairie Adults

There are 24,557 adults, (4,449 of whom are seniors) in Sun Prairie.

Sun Prairie Age Dependency

65.7

Age Dependency Ratio

22.1

Old Age Dependency Ratio

43.6

Child Dependency Ratio

Sun Prairie Sex Ratio

Female

16,952

50.87%

Male

16,369

49.13%

Sun Prairie Population by Age

Sun Prairie Renter vs Owner Occupied by Household Type

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Sun Prairie Household Types

Type Owner Renter
Married77.4%22.6%
All59.7%40.3%
Male59%41%
Female48.3%51.7%
Non Family39%61%

59.7%

Rate of Home Ownership

Sun Prairie Households and Families

Type Count Average Size Owned
All13,4792.4659.7
Married6,7183.1677.4
Non Family5,0691.2139
Female1,2163.3948.3
Male4763.659

3.14

Average Family Size

2.46

Average Household Size

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Sun Prairie Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2651.18%
9th to 12th Grade5982.66%
High School Graduate4,35119.38%
Some College4,24118.89%
Associates Degree2,95513.16%
Bachelors Degree6,85930.55%
Graduate Degree3,18314.18%
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Sun Prairie Educational Attainment by Sex (over 25)

Sun Prairie Educational Attainment by Race

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Race Total High School Bachelors
White18,49618,0108,474
Black1,3401,295372
Asian1,3311,126806
Hispanic921806205
2+ Races248236120
Other Race12712770
Native American12612668
Islander11114

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

The highest rate of bachelors degrees is among asian people with a rate of 60.56%.

Sun Prairie Educational Attainment by Race

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Name Average Male Female
Overall$48,918$54,224$44,089
Less Than 9th Grade$35,361$37,028$
High School Graduate$40,279$43,750$32,958
Some College$43,174$49,541$36,651
Bachelors Degree$56,932$67,411$49,583
Graduate Degree$71,333$85,078$63,424

$48,918

Average Earnings

$54,224

Average Male

$44,089

Average Female

Sun Prairie Earnings by Educational Attainment

Sun Prairie Language by Age

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Sun Prairie Language

89.52% of Sun Prairie residents speak only English, while 10.48% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.13% of the population.

Sun Prairie Language

Sun Prairie Poverty by Race

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Name Total In Poverty Poverty Rate
White24,9739233.70%
Black2,68666424.72%
Multiple1,30035627.38%
Hispanic1,77422412.63%
Asian2,2311486.63%
Islander483777.08%

7.10%

Overall Poverty Rate

6.95%

Male Poverty Rate

7.24%

Female Poverty Rate

Poverty in Sun Prairie

The race most likely to be in poverty in Sun Prairie is Islander, with 77.08% below the poverty level.

The race least likely to be in poverty in Sun Prairie is White, with 3.70% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.45%. Among those working part-time, it was 11.40%, and for those that did not work, the poverty rate was 11.47%.

Sun Prairie Poverty

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Name Poverty
Less Than 9th Grade15.87%
High School7.84%
Some College6.71%
Bachelors or Greater1.31%

Sun Prairie Poverty Rate by Education

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Rate Poverty
Male Unemployed27.44%
Female Unemployed13.46%
Female Employed4.94%
Male Employed3.88%

Sun Prairie Poverty Rate by Employment Status and Sex

Sun Prairie Income by Household Type

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Name Median Mean
Households$77,139$88,946
Families$97,587$105,907
Married Families$107,555-
Non Families$49,928$57,787
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Income by Household Type

Sun Prairie Marital Status

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Marriage Rates

52.8%

Overall Marriage Rate

55.2%

Male Marriage Rate

50.7%

Female Marriage Rate

Sun Prairie Married by Age and Sex

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Sun Prairie 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.

Sun Prairie Marital Status by Race

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Sun Prairie Marital Status

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1,500

Number of Veterans

1,364

Male Veterans

136

Female Veterans

War Veterans
Vietnam409
First Gulf War383
Second Gulf War301
World War II94
Korea94

Sun Prairie Veterans by War

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Age Group Veterans
75+415
35 to 54386
55 to 64290
65 to 74270
18 to 34139

Sun Prairie Veterans by Age

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Name Veterans % of Total
White1,3946.72%
2+ Races4813.37%
Black291.75%
Hispanic272.76%
Asian151.03%
Islander763.64%
Native American74.83%

Sun Prairie Veterans by Race

Sun Prairie Veterans by Education

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2.43%

Veteran Poverty Rate

24.34%

Veteran Disability Rate

Sun Prairie Veterans by Education

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74%

Labor Force Participation

72.8%

Employment Rate

1.4%

Unemployment Rate

Sun Prairie Employment by Age

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Sun Prairie Employment by Race

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Sun Prairie 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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65.65%

Born in Sun Prairie

92.02%

Native Born

7.98%

Foreign Born

4.15%

Non Citizen

3.83%

Naturalized

Place of Birth

92.02% of Sun Prairie residents were born in the United States, with 65.65% having been born in Wisconsin. 4.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Sun Prairie Place of Birth

Year Population Growth Annual Growth Rate
202136,0877132.02%
202035,3747132.06%
201934,6617132.10%
201833,9489822.98%
201732,9661760.54%
201632,7904951.53%
201532,2955681.79%
201431,7277292.35%
201330,9984601.51%
201230,5385061.68%
201130,0324061.37%
201029,6269,2573.82%
200020,3695,0362.88%
199015,3332,4021.72%
198012,9312,9962.67%
19709,9355,9279.50%
19604,0083,3082.95%
19007000.00%

Sun Prairie Population by Year