Spencer, WI demographics:
population, income, and more

Total population
1,686
4.0% year-over-year change
Median household income
$69,750/yr
-6.0% year-over-year change
Housing units
757
4.3% year-over-year change

Spencer population

How many people live in Spencer

Spencer is home to 1,686 residents, according to the most recent Census data. Gender-wise, 55.6% of Spencer locals are male, and 44.4% are female.

Total population
1,686
4.0% year-over-year change
Gender ratio
Male
55.6%
938
Female
44.4%
748
Value Percent YoY change
Male 938 55.6% 9.8%
Female 748 44.4% -2.5%
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 Spencer is 39, with the population distributed as follows: about 23.6% are children under 15, then 5.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 31.1% of the population, while another 19% fall into the 45 to 64 bracket. Finally, around 20.6% are 65 or older.

Median age
38.7
Age breakdown
Under 15
23.6%
15 to 24
5.6%
25 to 44
31.1%
45 to 64
19%
Over 65
20.6%
Value Percent YoY change
Under 15 398 23.6% 4.7%
15 to 24 95 5.6% -14.4%
25 to 44 525 31.1% 8.9%
45 to 64 320 19% 0.9%
Over 65 348 20.6% 5.1%
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

At the same time, 0.4% of residents are non-citizens. There’s also a share of 1.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.6%
Non-U.S.-born citizens
0%
Non-citizens
0.4%
Value Percent YoY change
U.S.-born citizens 1,680 99.6% 3.6%
Non-citizens 6 0.4% N/A
Racial breakdown
White
97.4%
Black or African American
0%
American Indian and Alaska Native
0.1%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.9%
Other
0.6%
Value Percent
White 1,642 97.4%
American Indian and Alaska Native 2 0.1%
Two or more races 32 1.9%
Other 10 0.6%

Households in Spencer

A peek inside Spencer households

Spencer has 752 households, with an average of 2 members in each. Of these, 65.2% are families, while the remaining 34.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
752
4.3% year-over-year change
Average people per household
2
Non-family households
262
Family households
490
Value Percent YoY change
Non-family households 262 34.8% 6.1%
Family households 490 65.2% 3.4%
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 Spencer

The housing landscape of Spencer

Spencer's housing consists of 757 units, with 73.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.2% 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 7.4% of the housing landscape.

Housing units
757
4.3% year-over-year change
Housing types
Value Percent
1 unit, detached 555 73.3%
1 unit, attached 9 1.2%
2 units 85 11.2%
3 or 4 units 6 0.8%
5 to 9 units 15 2%
10 to 19 units 31 4.1%
Mobile home 56 7.4%
Homes built since 2020
0
% year-over-year change

The age of buildings in Spencer

In Spencer, the median construction year is 1972. About 17.2% of homes were built before the 1940s, with another 3.7% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 130 17.2% 11.1%
Built between 1940 and 1949 28 3.7% -30.0%
Built between 1950 and 1959 118 15.6% 0.0%
Built between 1960 and 1969 59 7.8% -10.6%
Built between 1970 and 1979 180 23.8% 6.5%
Built between 1980 and 1989 98 13% 28.9%
Built between 1990 and 1999 77 10.2% -1.3%
Built between 2000 and 2009 53 7% 3.9%
Built between 2010 and 2019 14 1.8% 27.3%
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.

Spencer occupancy rates

Out of the 752 occupied housing units in Spencer, 71.9% are owner-occupied, while 28.1% are lived in by tenants. Meanwhile, 0.7% of all homes on the local market sit vacant.

Occupied housing units
752
4.3% year-over-year change
Occupancy breakdown
Renter occupied
211
Owner occupied
541
Value Percent YoY
change
Renter occupied 211 28.1% 14.1%
Owner occupied 541 71.9% 0.9%
Unoccupied housing units
0.7%
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.

Spencer housing costs

Housing costs in Spencer come to a median of $760 per month, while tenants specifically pay a median gross rent of $580.

Median housing costs per month
$760/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 Spencer
$580/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 Spencer

Spencer education at a glance

About 47.3% of the population in Spencer went to high school, while 22% pursued college studies. Another 16% earned an associate degree and 11% hold a bachelor’s. Meanwhile, 3.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 7 0.6% 0.0%
High school diploma 586 47.3% 3.5%
College diploma 273 22% 0.0%
Associate degree 198 16% 10.0%
Bachelor's degree 136 11% -0.7%
Graduate degree 38 3.1% 22.6%
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 Spencer

How much people earn in Spencer

The average annual household income in Spencer was $76,273 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -4.2% change from the previous year. At the same time, the median income stood at $69,750, reflecting a -6% shift over the same period.

Average household income in Spencer
$76,273/year
-4.2% year-over-year change
Median household income in Spencer
$69,750/year
-6.0% year-over-year change

Spencer income by age

In Spencer, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $89,250. Those with someone between 45 and 64 in charge, often well established professionally, earn $77,102 overall. Overall, 97.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $89,250 -8.0%
45 - 64 $77,102 -9.7%
Over 65 $39,559 -1.8%
Above poverty level
1,599
Below poverty level
35
Value Percent YoY
change
Above poverty level 1,599 97.9% 4.2%
Below poverty level 35 2.1% -2.8%

Employment in Spencer

Workforce and job types in Spencer

The job market in Spencer is powered by 860 working residents, spread across a range of industries and roles. 61.5% of the working population are employed in professional or administrative positions, while 38.5% are in hands-on or service-based jobs. Also, 5.5% run their own businesses, 73.1% are employed by private companies, and 15.1% work in the public sector.

Workforce demographics

Working population
860
-4.2% year-over-year change
White collar
529
Blue collar
331
Value Percent YoY change
White collar 529 61.5% -7.2%
Blue collar 331 38.5% 0.9%
Employer type
Self employees
5.5%
Private companies
73.1%
Governmental workers
15.1%
Not for profit companies
6.3%
Value Percent YoY change
Self employees 47 5.5% 9.3%
Private companies 629 73.1% -8.0%
Governmental workers 130 15.1% 41.3%
Not for profit companies 54 6.3% -31.6%

Transportation in Spencer

How people get around in Spencer

Commuting methods vary: 75.7% of residents travel by personal vehicle and 4.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 643 75.7% -3.0%
Bicycle 22 2.6% -15.4%
Walk 40 4.7% 2.6%
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.

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

Zipcode Population Number of households Median income Average income
54479 3,630 1,434 $77,371 $87,256

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FAQs about Spencer demographics 

What is the total population of Spencer?

Spencer has a total population of 1,686 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 +4.0% compared to a year ago.

What is the gender ratio in Spencer?

The gender ratio in Spencer is as follows:
  • 55.6% males (938 residents)
  • 44.4% females (748 residents)

What is the median age in Spencer?

The median age in Spencer is 38.7.

What is the age distribution of the population in Spencer?

The age distribution in Spencer is as follows:
  • Under 15: 23.6% (398 residents)
  • Ages 15-24: 5.6% (95 residents)
  • Ages 25-44: 31.1% (525 residents)
  • Ages 45-64: 19% (320 residents)
  • Over 65: 20.6% (348 residents)

What is the racial and ethnic makeup of Spencer?

The racial and ethnic makeup of Spencer is as follows:
  • White: 97.4% (1,642 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0.1% (2 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.9% (32 residents)
  • Other: 0.6% (10 residents)

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

U.S.-born citizens represent 99.6% of the population in Spencer.

How many housing units are there in Spencer?

There are 757 housing units in Spencer, reflecting a +4.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Spencer has a total of 752 households, with an average of 2 people in each.

What is the median household income in Spencer?

Spencer has a median household income of $69,750, representing a -6.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Spencer?

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

Job types:
  • White-collar workers: 61.5% (529 residents)
  • Blue-collar workers: 38.5% (331 residents)

Places of employment:
  • Self-employed: 5.5% (47 residents)
  • Private companies: 73.1% (629 residents)
  • Governmental workers: 15.1% (130 residents)
  • Not-for-profit companies: 6.3% (54 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