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CITY · 2020 ACS

Sun Prairie

Wisconsin · 35,967 residents · 13.1 sq mi
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The short version

Sun Prairie is home to 35,967 people in Wisconsin. Since 2000 the city has risen by half, up 15,598 people. 47% of adults hold a bachelor's degree, against 33% nationally. That is roughly 26% ahead of the Wisconsin median. The median age is 35.8, younger than the US median of 38.8. The poverty rate is 6.5%, under the national 12.8%.

At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 35.8
US median: 38.8
More educated
47% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

35,967
+77%since 2000
from 20,369 in 2000
1990 – 2025
35.8
+9%since 2000
from 32.9 in 2000
US average: 38.8
Land area
13.1 sq mi
Population, 19902024
13K20K26K33K40K19902000201020202024Sun Prairie
202438K
1990201020202024
Age distribution, 2020
Under 56.5%(2,344)
US avg: 5.6%
5 to 97.5%(2,695)
US avg: 6.1%
10 to 147.8%(2,789)
US avg: 6.5%
15 to 196.2%(2,221)
US avg: 6.6%
20 to 245.2%(1,863)
US avg: 6.7%
25 to 3415.4%(5,550)
US avg: 13.5%
35 to 4416%(5,770)
US avg: 12.7%
45 to 5411.9%(4,283)
US avg: 12.3%
55 to 6410.4%(3,743)
US avg: 13.1%
65 to 747.5%(2,692)
US avg: 10%
75 to 843.8%(1,375)
US avg: 4.9%
85 and over1.8%(642)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$79,566
+3%inflation adjusted, since 2000
from $51,345 in 2000
US average: $66,278
1990 – 2024
$37,272
+60%since 2000
from $23,277 in 2000
US average: $35,364
Households earning $100K+
53.4%
+12.1 ptssince 2009
from 41.3% in 2009
US average: 43.9%
6.5%
+2.0 ptssince 2000
from 4.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Information13%
US avg: 11.1%
Other services10.4%
US avg: 6.6%
Retail trade10.4%
US avg: 10%
Public administration9%
US avg: 4.7%
Finance & insurance4.1%
US avg: 5.5%
Wholesale trade3.4%
US avg: 6.7%
Professional, scientific, technical3.3%
US avg: 4.7%
Transportation & warehousing3%
US avg: 2.5%
Arts, entertainment, food2.2%
US avg: 2%
Education & health services0.9%
US avg: 0.8%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$249,400
+17%inflation adjusted, since 2000
from $142,300 in 2000
US average: $265,253
1990 – 2024
$1,131
+15%inflation adjusted, since 2000
from $654 in 2000
US average: $1,124
60.2%
−0.6 ptssince 2000
from 60.8% in 2000
39.8% rent
2.49 people
−2%since 2009
from 2.55 people in 2009
US average: 2.61
3.1
−8%since 2009
from 3.4 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic91.2%(18,571)
Black3.1%(623)
Hispanic / Latino2.7%(555)
Asian1.3%(273)
Other0%
2020
White, non-Hispanic73.3%(26,369)
Black7.3%(2,609)
Hispanic / Latino6.1%(2,192)
Asian7.6%(2,717)
Other4.6%(1,640)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican3.4%(1,155)
Puerto Rican0.2%(61)
Ecuadorian0.2%(55)
Cuban0.2%(51)
Spaniard0.1%(25)
Asian origin
Asian Indian1.8%(613)
Hmong1.8%(604)
Chinese0.6%(187)
Vietnamese0.3%(118)
Filipino0.2%(52)
Korean0.1%(40)
Mongolian0.1%(34)
Cambodian0.1%(26)
Indonesian0.1%(25)
Burmese0%(12)
Japanese0%(11)
Pacific Islander origin
Samoan0.1%(26)
Chamorro0.1%(18)
Ancestry
German36.6%(12,434)
Irish13.4%(4,553)
Norwegian8.2%(2,786)
Polish7.7%(2,622)
English6%(2,041)
American2.9%(971)
Italian2.3%(774)
French2.2%(743)
Dutch1.9%(656)
Swedish1.8%(596)
Scottish1.4%(461)
+ 29 more ancestry groups with data
Swiss1.4%(460)
Czech1.1%(369)
Croatian0.6%(218)
Scotch-Irish0.6%(212)
Hungarian0.4%(137)
Russian0.4%(119)
Welsh0.3%(118)
Lithuanian0.3%(117)
Latvian0.3%(113)
Austrian0.3%(107)
British0.3%(104)
Kenyan0.3%(102)
Bulgarian0.3%(97)
Danish0.3%(92)
Ukrainian0.3%(86)
Belgian0.3%(85)
Greek0.2%(69)
Finnish0.2%(56)
West Indian0.1%(48)
Haitian0.1%(48)
Serbian0.1%(43)
Lebanese0.1%(38)
Portuguese0.1%(38)
Slovak0.1%(35)
Brazilian0.1%(27)
Nigerian0%(12)
Slovene0%(10)
Section 05

Education

47.0%
+12.6 ptssince 2000
from 34.4% in 2000
US average: 32.9%
High school or higher
96.5%
+5.6 ptssince 2000
from 90.9% in 2000
US average: 88.5%
14.7%
+7.1 ptssince 2000
from 7.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

22.1 min
+64%since 2000
from 13.5 min in 2000
US average: 26.9
77.6%
−6.6 ptssince 2009
from 84.2% in 2009
US average: 75.1%
4.5%
+1.3 ptssince 2009
from 3.2% in 2009
US average: 8.4%
Section 07

Work & employment

1.5%
−3.6 ptssince 2011
from 5.1% in 2011
US average: 5.4%
72.3%
−6.4 ptssince 2011
from 78.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
85.5%
US average: 73.3%
48.8%
+5.9 ptssince 2009
from 42.9% in 2009
US average: 39.3%
Section 08

People & community

50.0%
+0.2 ptssince 2009
from 49.8% in 2009
50.0%
−0.2 ptssince 2009
from 50.2% in 2009
6.5%
+2.0 ptssince 2009
from 4.4% in 2009
US average: 13.5%
2.0%
−2.4 ptssince 2013
from 4.4% in 2013
US average: 8.8%
Computer in household
95.8%
US average: 91.9%
90.2%
US average: 86.2%
Marital status (2024)
Men 15+
Never married35%(4,777)
Married55.8%(7,622)
Widowed1.4%(186)
Divorced7.8%(1,066)
Women 15+
Never married28.7%(4,594)
Married48.2%(7,722)
Widowed8.3%(1,334)
Divorced14.9%(2,382)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

2.0%
−2.4 ptssince 2013
from 4.4% in 2013
US average: 8.8%
73.1%
US average: 55.4%
Direct-purchase
12.4%
US average: 13.7%
14.5%
US average: 17.6%
12.1%
US average: 20.0%
VA health care
2.6%
US average: 2.3%
Any private
83.6%
US average: 68.1%
Any public
25.3%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)15.7%(285)
US avg: 20.6%
Gulf War (1990s)17%(310)
US avg: 21.4%
Vietnam era38.6%(702)
US avg: 35.2%
Korean War4.7%(85)
US avg: 7.6%
World War II4%(73)
US avg: 2.9%

Share of the 1,819 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Sun Prairie, Wisconsin?

Sun Prairie, Wisconsin has about 35,967 residents according to the 2020 American Community Survey.

What is the median household income in Sun Prairie, Wisconsin?

The typical household in Sun Prairie, Wisconsin earns about $79,566 a year. Half of households make more than that, and half make less.

Is Sun Prairie, Wisconsin expensive?

In Sun Prairie, Wisconsin, the median home is worth about $249,400, and the typical rent is about $1,131 a month.

How educated are people in Sun Prairie, Wisconsin?

About 47.0% of adults age 25 and over in Sun Prairie, Wisconsin hold a bachelor's degree or higher.

What is the poverty rate in Sun Prairie, Wisconsin?

About 6.5% of people in Sun Prairie, Wisconsin live below the federal poverty line.

Has Sun Prairie, Wisconsin grown since 1990?

Yes, Sun Prairie, Wisconsin has grown since 1990. The population has added about 20,634 residents, a change of about 135 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →