Sun Prairie, WI Profile: Facts & Data


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Sun Prairie, Wisconsin - Basic Facts

The City of Sun Prairie had a population of 33,392 as of July 1, 2018. Sun Prairie ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Wisconsin. See peer rankings below.

The primary coordinate point for Sun Prairie is located at latitude 43.182 and longitude -89.2357 in Dane County. The formal boundaries for the City of Sun Prairie (see map below) encompass a land area of 12.01 sq. miles and a water area of 0.02 sq. miles. Dane County is in the Central time zone (GMT -6). The elevation is 955 feet.

The City of Sun Prairie (GNIS ID: 1584255) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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  1. Sun Prairie 2018 Demographic Data
  2. Growth Rates for Sun Prairie (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Wisconsin Research Tools (Easy Tools & Current Data)
  3. Wisconsin Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Sun Prairie, WI Data & Demographics (As of July 1, 2018)


Total Population 33,392
Population in Households 33,246
Population in Familes 26,575
Population in Group Qrtrs 146
Population Density2 2,780
Diversity Index3 36


Median Household Income $73,350
Average Household Income $88,056
Per Capita Income $35,243


Total Housing Units 13,889 (100%)
Owner Occupied HU 8,248 (59.4%)
Renter Occupied HU 5,167 (37.2%)
Vacant Housing Units 474 ( 3.4%)
Median Home Value $230,956
Average Home Value $252,998


Total Households 13,415
Average Household Size 2.48
Family Households 8,869
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 1.61% 1.72%
Households 1.78% 1.83%
Families 1.86% 1.77%
Median Household Income   1.62%
Per Capita Income   2.45%

Sun Prairie, WI - Peer Comparisons by Rank and Percentile

The table below compares Sun Prairie to the other 774 incorporated cities, towns and CDPs in Wisconsin by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 24 97th
Population Density # 23 97th
Diversity Index # 90 88th
Median Household Income # 104 87th
Per Capita Income # 115 85th

Additional comparisons and rankings can be made with a VERY EASY TO USE Wisconsin Census Data Comparison Tool.

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Compare Wisconsin July 1, 2018 Data
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