Summit, Douglas County, WI demographics:
population, income, and more

Total population
5,856
0.3% year-over-year change
Median household income
$72,653/yr
-1.4% year-over-year change
Housing units
2,834
2.1% year-over-year change

Summit population

How many people live in Summit

Summit is home to 5,856 residents, according to the most recent Census data. Gender-wise, 50.5% of Summit locals are male, and 49.5% are female.

Total population
5,856
0.3% year-over-year change
Gender ratio
Male
50.5%
2,958
Female
49.5%
2,898
Value Percent YoY change
Male 2,958 50.5% 0.7%
Female 2,898 49.5% -0.1%
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 Summit is 44, with the population distributed as follows: about 16.2% are children under 15, then 12.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.6% of the population, while another 25.2% fall into the 45 to 64 bracket. Finally, around 19.7% are 65 or older.

Median age
44
Age breakdown
Under 15
16.2%
15 to 24
12.4%
25 to 44
26.6%
45 to 64
25.2%
Over 65
19.7%
Value Percent YoY change
Under 15 948 16.2% 0.6%
15 to 24 723 12.4% -2.6%
25 to 44 1,555 26.6% 1.6%
45 to 64 1,478 25.2% -2.7%
Over 65 1,152 19.7% 4.1%
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 Summit, 97.8% of the population are US-born citizens, while 1.3% have gained naturalized citizenship. At the same time, 0.9% of residents are non-citizens. As for race, 89.6% of locals are Caucasian, 0.8% are African American and 0.8% have Asian roots. There’s also a share of 7.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.8%
Non-U.S.-born citizens
1.3%
Non-citizens
0.9%
Value Percent YoY change
U.S.-born citizens 5,728 97.8% 0.5%
Non-U.S.-born citizens 75 1.3% -15.7%
Non-citizens 53 0.9% 6.0%
Racial breakdown
White
89.6%
Black or African American
0.8%
American Indian and Alaska Native
1.3%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.2%
Other
0.2%
Value Percent
White 5,246 89.6%
Black or African American 47 0.8%
American Indian and Alaska Native 76 1.3%
Asian 49 0.8%
Two or more races 423 7.2%
Other 14 0.2%

Households in Summit

A peek inside Summit households

Summit has 2,567 households, with an average of 2 members in each. Of these, 53% are families, while the remaining 47% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,567
1.8% year-over-year change
Average people per household
2
Non-family households
1,207
Family households
1,360
Value Percent YoY change
Non-family households 1,207 47% 6.0%
Family households 1,360 53% -1.6%
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 Summit

The housing landscape of Summit

Summit's housing consists of 2,834 units, with 68.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.8% of the housing landscape.

Housing units
2,834
2.1% year-over-year change
Housing types
Value Percent
1 unit, detached 1,931 68.1%
1 unit, attached 80 2.8%
2 units 134 4.7%
3 or 4 units 123 4.3%
5 to 9 units 103 3.6%
10 to 19 units 101 3.6%
20 to 49 units 47 1.7%
50 or more units 180 6.4%
Mobile home 135 4.8%
Homes built since 2020
23
53.3% year-over-year change

The age of buildings in Summit

In Summit, the median construction year is 1970. About 29.2% of homes were built before the 1940s, with another 8.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.1% of homes were added from 2000 to 2009, 4.5% between 2010 and 2019, and 0.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 827 29.2% 5.1%
Built between 1940 and 1949 231 8.2% -5.3%
Built between 1950 and 1959 223 7.9% 7.7%
Built between 1960 and 1969 318 11.2% 14.0%
Built between 1970 and 1979 430 15.2% -7.1%
Built between 1980 and 1989 202 7.1% 3.6%
Built between 1990 and 1999 195 6.9% -10.6%
Built between 2000 and 2009 257 9.1% -1.9%
Built between 2010 and 2019 127 4.5% 20.9%
Built in 2020 or later 23 0.8% 53.3%
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.

Summit occupancy rates

Out of the 2,567 occupied housing units in Summit, 67.6% are owner-occupied, while 32.3% are lived in by tenants. Meanwhile, 9.4% of all homes on the local market sit vacant.

Occupied housing units
2,567
1.8% year-over-year change
Occupancy breakdown
Renter occupied
830
Owner occupied
1,736
Value Percent YoY
change
Renter occupied 830 32.3% 2.2%
Owner occupied 1,736 67.6% 1.6%
Unoccupied housing units
9.4%
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.

Summit housing costs

Housing costs in Summit come to a median of $1,055 per month, while tenants specifically pay a median gross rent of $910.

Median housing costs per month
$1,055/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.
Median gross rent in Summit
$910/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Summit

Summit education at a glance

About 36.3% of the population in Summit went to high school, while 23.5% pursued college studies. Another 13% earned an associate degree and 19.3% hold a bachelor’s. Meanwhile, 7.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 39 0.8% -4.9%
High school diploma 1,702 36.3% 2.5%
College diploma 1,101 23.5% -4.6%
Associate degree 607 13% -5.2%
Bachelor's degree 906 19.3% 3.8%
Graduate degree 334 7.1% 14.0%
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 Summit

How much people earn in Summit

The average annual household income in Summit was $90,361 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.1% change from the previous year. At the same time, the median income stood at $72,653, reflecting a -1.4% shift over the same period.

Average household income in Summit
$90,361/year
2.1% year-over-year change
Median household income in Summit
$72,653/year
-1.4% year-over-year change

Summit income by age

In Summit, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $97,334. Those with someone between 45 and 64 in charge, often well established professionally, earn $83,315 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $42,656, while those led by someone over 65, many of whom may be retired, have about $51,082 in earnings. Overall, 88.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $42,656 2.6%
25 - 44 $97,334 9.3%
45 - 64 $83,315 -2.4%
Over 65 $51,082 -1.3%
Above poverty level
4,962
Below poverty level
672
Value Percent YoY
change
Above poverty level 4,962 88.1% -0.5%
Below poverty level 672 11.9% 4.0%

Employment in Summit

Workforce and job types in Summit

70.8% of the working population are employed in professional or administrative positions, while 29.2% are in hands-on or service-based jobs. Also, 5.9% run their own businesses, 68.1% are employed by private companies, and 16.1% work in the public sector.

Workforce demographics

White collar
2,104
Blue collar
869
Value Percent YoY change
White collar 2,104 70.8% -1.3%
Blue collar 869 29.2% 4.1%
Employer type
Self employees
5.9%
Private companies
68.1%
Governmental workers
16.1%
Not for profit companies
9.9%
Value Percent YoY change
Self employees 176 5.9% 7.3%
Private companies 2,025 68.1% -0.3%
Governmental workers 479 16.1% -0.8%
Not for profit companies 293 9.9% 2.5%

Transportation in Summit

How people get around in Summit

In Summit, the average commute time is 35 minutes. Commuting methods vary: 94% of residents travel by personal vehicle and 4.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
35 min
6.1% year-over-year change
Means of transportation
Value Percent YoY change
Car 2,502 94% -1.5%
Taxicab 4 0.2% N/A
Bus or trolleybus 34 1.3% 13.3%
Motorcycle 3 0.1% 0.0%
Bicycle 8 0.3% N/A
Walk 112 4.2% -12.5%
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.

What is the median and average household income in Summit by zipcode?

Zipcode Population Number of households Median income Average income
54836 931 375 $77,031 $91,805
54880 30,312 13,465 $68,275 $84,867

Explore more communities

FAQs about Summit demographics 

What is the total population of Summit?

Summit has a total population of 5,856 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 +0.3% compared to a year ago.

What is the gender ratio in Summit?

The gender ratio in Summit is as follows:
  • 50.5% males (2,958 residents)
  • 49.5% females (2,898 residents)

What is the median age in Summit?

The median age in Summit is 44.

What is the age distribution of the population in Summit?

The age distribution in Summit is as follows:
  • Under 15: 16.2% (948 residents)
  • Ages 15-24: 12.4% (723 residents)
  • Ages 25-44: 26.6% (1,555 residents)
  • Ages 45-64: 25.2% (1,478 residents)
  • Over 65: 19.7% (1,152 residents)

What is the racial and ethnic makeup of Summit?

The racial and ethnic makeup of Summit is as follows:
  • White: 89.6% (5,246 residents)
  • Black or African American: 0.8% (47 residents)
  • American Indian and Alaska Native: 1.3% (76 residents)
  • Asian: 0.8% (49 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 7.2% (423 residents)
  • Other: 0.2% (14 residents)

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

U.S.-born citizens represent 97.8% of the population in Summit.

How many housing units are there in Summit?

There are 2,834 housing units in Summit, reflecting a +2.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Summit has a total of 2,567 households, with an average of 2 people in each.

What is the median household income in Summit?

Summit has a median household income of $72,653, representing a -1.4% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Summit?

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

Job types:
  • White-collar workers: 70.8% (2,104 residents)
  • Blue-collar workers: 29.2% (869 residents)

Places of employment:
  • Self-employed: 5.9% (176 residents)
  • Private companies: 68.1% (2,025 residents)
  • Governmental workers: 16.1% (479 residents)
  • Not-for-profit companies: 9.9% (293 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