Sun Prairie, MT demographics:
population, income, and more

Total population
1,171
-22.7% year-over-year change
Median household income
$55,688/yr
-8.7% year-over-year change
Housing units
539
-15.5% year-over-year change

Sun Prairie population

How many people live in Sun Prairie

Sun Prairie is home to 1,171 residents, according to the most recent Census data. Gender-wise, 52.9% of Sun Prairie locals are male, and 47.1% are female.

Total population
1,171
-22.7% year-over-year change
Gender ratio
Male
52.9%
619
Female
47.1%
552
Value Percent YoY change
Male 619 52.9% -17.9%
Female 552 47.1% -27.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sun Prairie is 49, with the population distributed as follows: about 18% are children under 15, then 17% are in the 15 to 24 age group. Adults between 25 and 44 make up 13.8% of the population, while another 33.6% fall into the 45 to 64 bracket. Finally, around 17.6% are 65 or older.

Median age
49
Age breakdown
Under 15
18%
15 to 24
17%
25 to 44
13.8%
45 to 64
33.6%
Over 65
17.6%
Value Percent YoY change
Under 15 211 18% -14.2%
15 to 24 199 17% -16.4%
25 to 44 162 13.8% -16.9%
45 to 64 393 33.6% -14.4%
Over 65 206 17.6% -45.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sun Prairie, 94.1% of the population are US-born citizens, while 5.6% have gained naturalized citizenship. At the same time, 0.3% of residents are non-citizens. There’s also a share of 6.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.1%
Non-U.S.-born citizens
5.6%
Non-citizens
0.3%
Value Percent YoY change
U.S.-born citizens 1,102 94.1% -21.2%
Non-U.S.-born citizens 65 5.6% -42.5%
Non-citizens 4 0.3% 33.3%
Racial breakdown
White
90.2%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
3.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.6%
Other
0%
Value Percent
White 1,056 90.2%
Asian 38 3.2%
Two or more races 77 6.6%

Households in Sun Prairie

A peek inside Sun Prairie households

Sun Prairie has 539 households, with an average of 2 members in each. Of these, 67% are families, while the remaining 33% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
539
-12.4% year-over-year change
Average people per household
2
Non-family households
178
Family households
361
Value Percent YoY change
Non-family households 178 33% 38.0%
Family households 361 67% -25.7%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sun Prairie

The housing landscape of Sun Prairie

Sun Prairie's housing consists of 539 units, with 52.5% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 47.5% of the housing landscape.

Housing units
539
-15.5% year-over-year change
Housing types
Value Percent
1 unit, detached 283 52.5%
Mobile home 256 47.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in Sun Prairie

In Sun Prairie, the median construction year is 1981. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built between 1970 and 1979 257 47.7% -25.9%
Built between 1980 and 1989 125 23.2% 13.6%
Built between 1990 and 1999 72 13.4% 20.0%
Built between 2000 and 2009 34 6.3% -50.7%
Built between 2010 and 2019 51 9.5% -1.9%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sun Prairie occupancy rates

Out of the 539 occupied housing units in Sun Prairie, 99.3% are owner-occupied, while 0.7% are lived in by tenants.

Occupied housing units
539
-12.4% year-over-year change
Occupancy breakdown
Renter occupied
4
Owner occupied
535
Value Percent YoY
change
Renter occupied 4 0.7% -55.6%
Owner occupied 535 99.3% -11.7%
Unoccupied housing units
0.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sun Prairie housing costs

Median housing costs per month
$1,048/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Sun Prairie

Sun Prairie education at a glance

About 38.5% of the population in Sun Prairie went to high school, while 22.8% pursued college studies. Another 13.2% earned an associate degree and 15.4% hold a bachelor’s. Meanwhile, 7.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 21 2.3% -54.4%
High school diploma 349 38.5% -30.5%
College diploma 207 22.8% -29.1%
Associate degree 120 13.2% -5.5%
Bachelor's degree 140 15.4% -3.5%
Graduate degree 70 7.7% -30.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sun Prairie

How much people earn in Sun Prairie

The average annual household income in Sun Prairie was $81,584 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.9% change from the previous year. At the same time, the median income stood at $55,688, reflecting a -8.7% shift over the same period.

Average household income in Sun Prairie
$81,584/year
4.9% year-over-year change
Median household income in Sun Prairie
$55,688/year
-8.7% year-over-year change

Sun Prairie income by age

Younger households, where the main provider is under 25 and just starting out, report a median income of $36,593, while those led by someone over 65, many of whom may be retired, have about $51,705 in earnings. Overall, 90.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $36,593 -0.2%
Over 65 $51,705 6.7%
Above poverty level
1,044
Below poverty level
115
Value Percent YoY
change
Above poverty level 1,044 90.1% -22.4%
Below poverty level 115 9.9% -16.7%

Employment in Sun Prairie

Workforce and job types in Sun Prairie

The job market in Sun Prairie is powered by 594 working residents, spread across a range of industries and roles. 67.8% of the working population are employed in professional or administrative positions, while 32.2% are in hands-on or service-based jobs. Also, 13.3% run their own businesses, 58.8% are employed by private companies, and 2.2% work in the public sector.

Workforce demographics

Working population
594
-17.3% year-over-year change
White collar
403
Blue collar
191
Value Percent YoY change
White collar 403 67.8% -22.4%
Blue collar 191 32.2% -4.0%
Employer type
Self employees
13.3%
Private companies
58.8%
Governmental workers
2.2%
Not for profit companies
25.8%
Value Percent YoY change
Self employees 79 13.3% -19.4%
Private companies 349 58.8% -21.2%
Governmental workers 13 2.2% -66.7%
Not for profit companies 153 25.8% 10.9%

Transportation in Sun Prairie

How people get around in Sun Prairie

Means of transportation
Value Percent YoY change
Car 536 88.6% -20.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Sun Prairie demographics 

What is the total population of Sun Prairie?

Sun Prairie has a total population of 1,171 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -22.7% compared to a year ago.

What is the gender ratio in Sun Prairie?

The gender ratio in Sun Prairie is as follows:
  • 52.9% males (619 residents)
  • 47.1% females (552 residents)

What is the median age in Sun Prairie?

The median age in Sun Prairie is 49.

What is the age distribution of the population in Sun Prairie?

The age distribution in Sun Prairie is as follows:
  • Under 15: 18% (211 residents)
  • Ages 15-24: 17% (199 residents)
  • Ages 25-44: 13.8% (162 residents)
  • Ages 45-64: 33.6% (393 residents)
  • Over 65: 17.6% (206 residents)

What is the racial and ethnic makeup of Sun Prairie?

The racial and ethnic makeup of Sun Prairie is as follows:
  • White: 90.2% (1,056 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 3.2% (38 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.6% (77 residents)
  • Other: 0% (0 residents)

What percentage of the population in Sun Prairie are U.S.-born citizens?

U.S.-born citizens represent 94.1% of the population in Sun Prairie.

How many housing units are there in Sun Prairie?

There are 539 housing units in Sun Prairie, reflecting a -15.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sun Prairie and what is the average household size?

Sun Prairie has a total of 539 households, with an average of 2 people in each.

What is the median household income in Sun Prairie?

Sun Prairie has a median household income of $55,688, representing a -8.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Sun Prairie?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.8% (403 residents)
  • Blue-collar workers: 32.2% (191 residents)

Places of employment:
  • Self-employed: 13.3% (79 residents)
  • Private companies: 58.8% (349 residents)
  • Governmental workers: 2.2% (13 residents)
  • Not-for-profit companies: 25.8% (153 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025