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CITY · 2000 CENSUS

Sun Prairie

Wisconsin · 20,369 residents · 13.094 sq mi
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The short version

Sun Prairie is wealthier than most US places, with a median household income of $51,345. Population has grown 33% since 1990. 34% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has more than doubled since 1990, reaching $142,300. Poverty is rare here, at 4.4% of residents.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 32.9
US median: 35.2
More educated
34% hold a bachelor's degree
US average: 24%
Less affordable
home values up 46%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
20,369
+33%since 1990
from 15,333 in 1990
1990 – 2025
Median age
32.9
+6%since 1990
from 31.0 in 1990
US average: 35.2
Population, 1990 – 2024
13K20K26K33K40K1990201020202024Sun Prairie
202438K
1990201020202024
Age distribution, 2000
Under 58.2%(1,666)
US avg: 6.8%
5 to 97.8%(1,594)
US avg: 7.3%
10 to 147.8%(1,590)
US avg: 7.3%
15 to 197.2%(1,468)
US avg: 7.2%
20 to 246.1%(1,251)
US avg: 6.7%
25 to 3416.4%(3,347)
US avg: 14.2%
35 to 4417.3%(3,521)
US avg: 16%
45 to 5413.1%(2,660)
US avg: 13.4%
55 to 646.7%(1,374)
US avg: 8.6%
65 to 744.5%(925)
US avg: 6.5%
75 to 843.4%(701)
US avg: 4.4%
85 and over1.3%(272)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$51,345
+10%inflation adjusted, since 1990
from $35,301 in 1990
US average: $42,589
1990 – 2024
Per capita income
$23,277
+63%since 1990
from $14,268 in 1990
US average: $21,522
Poverty rate
4.4%
+1.3 ptssince 1990
from 3.1% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$142,300
+46%inflation adjusted, since 1990
from $74,200 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$654
+7%inflation adjusted, since 1990
from $465 in 1990
US average: $602
Owner-occupied
60.8%
+4.5 ptssince 1990
from 56.3% in 1990
39.2% rent
RELATED:See current rent listings in Sun Prairie on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic97.8%(14,990)
Black0.7%(100)
Hispanic / Latino0.7%(101)
Asian0.5%(80)
2000
White, non-Hispanic91.2%(18,571)
Black3.1%(623)
Hispanic / Latino2.7%(555)
Asian1.3%(273)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican3.3%(1,255)
Colombian0.1%(46)
Spaniard0.1%(21)
Cuban0%(13)
Asian origin
Asian Indian4.5%(1,681)
Hmong2.1%(781)
Chinese0.8%(308)
Filipino0.3%(117)
Korean0.3%(111)
Vietnamese0.2%(86)
Nepalese0.2%(79)
Okinawan0.1%(20)
Pacific Islander origin
Chamorro0.1%(50)
Samoan0%(7)
Ancestry
German30.5%(11,458)
Irish11.8%(4,415)
English8.5%(3,187)
Norwegian6.3%(2,365)
Polish4.9%(1,834)
American4%(1,498)
Italian2.8%(1,034)
Scottish2.5%(947)
French2%(738)
Dutch1.2%(461)
Swedish1.2%(459)
+ 29 more ancestry groups with data
Czech0.8%(317)
Welsh0.8%(316)
Russian0.7%(256)
Kenyan0.7%(252)
Swiss0.5%(202)
Danish0.4%(162)
Hungarian0.4%(147)
Lithuanian0.4%(145)
Arab0.3%(123)
Brazilian0.3%(107)
Ukrainian0.3%(103)
Egyptian0.2%(85)
Austrian0.2%(66)
Romanian0.2%(66)
Belgian0.2%(64)
West Indian0.2%(57)
Jamaican0.2%(57)
Slovak0.1%(53)
Portuguese0.1%(51)
Finnish0.1%(49)
Scotch-Irish0.1%(40)
Greek0.1%(38)
Lebanese0.1%(27)
British0.1%(20)
Croatian0.1%(19)
Slovene0%(18)
Armenian0%(13)
Iranian0%(13)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Norwegian population · Largest Polish population
Section 05

Education

Bachelor's degree or higher
34.4%
+13.5 ptssince 1990
from 20.9% in 1990
US average: 24.4%
High school or higher
90.9%
+7.0 ptssince 1990
from 83.9% in 1990
US average: 80.3%
Graduate degree
7.5%
+2.1 ptssince 1990
from 5.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.5 min
−28%since 1990
from 18.8 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married28.7%(2,099)
Married61.9%(4,531)
Widowed1.4%(101)
Divorced8%(588)
Women 15+
Never married23.7%(1,900)
Married58%(4,647)
Widowed8%(640)
Divorced10.3%(829)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper

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Compare Sun Prairie to nearby cities

SUN PRAIRIE VS
Windsor
Income$120,048+134%
Home value$425,600+199%
Population10,085−74%
SEE FULL COMPARISON →
SUN PRAIRIE VS
DeForest
Income$106,419+107%
Home value$359,600+153%
Population13,094−67%
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SUN PRAIRIE VS
Cottage Grove
Income$139,313+171%
Home value$449,700+216%
Population8,930−77%
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SUN PRAIRIE VS
Monona
Income$87,773+71%
Home value$427,900+201%
Population8,664−78%
SEE FULL COMPARISON →
Frequently asked

How many people live in Sun Prairie, Wisconsin?

Sun Prairie, Wisconsin has about 20,369 residents according to the 2000 Census.

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

The typical household in Sun Prairie, Wisconsin earns about $51,345 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 $142,300, and the typical rent is about $654 a month.

How educated are people in Sun Prairie, Wisconsin?

About 34.4% 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 4.4% 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 5,036 residents, a change of about 33 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 →