Spencer ZIP Codes — Marathon County, WI

There is one unique ZIP code in Spencer, Wisconsin and it is 54479. Area code: 715.
1
ZIP codes
76.79
sq mi land
0.09
sq mi water
715
area code
Spencer, WI ZIP code map

About Spencer, WI

Spencer, Wisconsin, is a small yet charming city located in the heart of Marathon County. Known for its friendly atmosphere and strong community ties, Spencer offers a peaceful environment for both residents and visitors. The city is characterized by its blend of rural charm and access to modern conveniences.

Location & geography

Situated in central Wisconsin, Spencer covers a land area of 76.79 square miles, with a small water area of 0.09 square miles. It is approximately 19 miles southeast of the city of Marshfield and about 30 miles northwest of Wausau. The terrain around Spencer is primarily flat, with expansive agricultural areas and some wooded sections that contribute to its natural beauty.

Community & economy

The character of Spencer is deeply rooted in its agriculture and small-town values, showcasing a supportive and engaged community. Daily life often revolves around local events, family-run businesses, and outdoor activities, making it an ideal place for families. The local economy benefits from various industries, including agriculture, manufacturing, and retail, providing a variety of job opportunities.

Transportation

Spencer is easily accessible via U.S. Highway 10, which connects the city to larger neighboring towns. The nearest airport is Central Wisconsin Airport, located about 25 miles north in Mosinee, offering regional flights. Public transportation options are limited, emphasizing the use of personal vehicles for commuting.

History

Spencer was founded in the late 19th century and has since developed a reputation as a thriving agricultural community. Over the years, it has seen the establishment of key industries such as dairy farming and small manufacturing enterprises, which have contributed to its economic stability. Notable events in Spencer’s history include the annual Spencer Fair, which celebrates local agriculture and community spirit.

Did you know?

A surprising fact about Spencer is that it was once home to a famous nationally recognized pizza chain that started as a local pizzeria. Additionally, the city proudly maintains a rich heritage with several historical buildings reflecting its storied past.

ZIP codes for Spencer, WI (1)
ZIP code City County Map
54479 Spencer Marathon View map

Demographics & statistics

3,607
Population
36.2
Median age
$76,250
Median household income
$32,501
Per capita income
$164,000
Median home value
$492
Median monthly rent
79.8%
Home ownership
5.9%
Poverty rate
1.3%
Unemployment
1,145
Housing units
17.4%
Bachelor's or higher

Age distribution

Male Female
117
Under 5
104
105
5–9
93
161
10–14
143
149
15–19
132
110
20–24
97
265
25–34
236
214
35–44
189
272
45–54
242
107
55–59
94
107
60–64
95
162
65–74
143
100
75–84
88
43
85+
39
← Male
Female →

Age summary

GroupCount%
Under 1893125.8%
18 and over2,67674.2%
65 and over57515.9%
Median age36.2 years

Race & ethnicity

White 95.4%
Two or more races 2.2%
Hispanic or Latino 1.2%
Other race 0.9%
Black or African American 0.2%
American Indian / Alaska Native 0.1%
GroupCount%
White3,48395.4%
Two or more races822.2%
Hispanic or Latino451.2%
Other race330.9%
Black or African American70.2%
American Indian / Alaska Native20.1%

Household income

Under $10k 3.6%
$10k–$15k 0.9%
$15k–$25k 4.0%
$25k–$35k 8.3%
$35k–$50k 12.0%
$50k–$75k 20.4%
$75k–$100k 22.3%
$100k–$150k 18.0%
$150k–$200k 7.6%
$200k+ 2.9%
Range% of households
Under $10k3.6%
$10k–$15k0.9%
$15k–$25k4.0%
$25k–$35k8.3%
$35k–$50k12.0%
$50k–$75k20.4%
$75k–$100k22.3%
$100k–$150k18.0%
$150k–$200k7.6%
$200k+2.9%
Median income$76,250

Housing

Home values

Under $50k 4.4%
$50k–$100k 16.3%
$100k–$150k 20.6%
$150k–$200k 21.2%
$200k–$300k 21.0%
$300k–$500k 10.8%
$500k–$1M 4.2%
$1M+ 1.5%

Housing overview

MetricValue
Median home value$164,000
Median rent / month$492
Owner occupied79.8%
Renter occupied20.2%
Vacant3.7%
Single-family detached80.2%
Large apartment buildings0.9%
Mobile homes5.8%
Median rooms6.0
Avg household size (owned)2.73

Year built

Era%
2020 or later0.0%
2010–20193.9%
2000–200914.4%
1990–19998.3%
1980–19899.4%
1970–197916.7%
1960–19697.9%
1950–195912.5%
1940–19494.6%
1939 or earlier22.3%

Bedrooms

Size% of units
No bedroom (studio)0.9%
1 bedroom4.4%
2 bedrooms23.8%
3 bedrooms46.4%
4 bedrooms16.5%
5+ bedrooms7.9%

Vehicles per household

Vehicles% of households
No vehicle3.5%
1 vehicle24.2%
2 vehicles41.2%
3 or more31.0%

Heating fuel

Fuel type%
Utility gas41.8%
Electricity12.6%
Propane / LP gas25.3%
Fuel oil9.5%
Wood9.9%
No fuel used0.3%

Households & families

Household typeCount%
Married-couple family78857.5%
Cohabiting couple1057.7%
Male householder, no spouse24117.6%
Female householder, no spouse23617.2%
Households with children under 1847834.9%
Households with seniors (65+)41430.2%
Average household size2.63

Marital status

StatusMaleFemale
Never married34.9%21.7%
Married52.3%57.6%
Separated0.0%0.5%
Widowed2.3%4.9%
Divorced10.4%15.4%

Education

Less than 9th grade 6.7%
Some HS, no diploma 8.8%
HS graduate 38.5%
Some college, no degree 17.4%
Associate's degree 11.3%
Bachelor's degree 13.6%
Graduate / professional 3.8%
Metric%
HS diploma or higher84.6%
Bachelor's or higher17.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool293.6%
Kindergarten293.6%
Elementary school40350.1%
High school24330.2%
College / grad school10112.5%

Employment

Industry of employment

Manufacturing 23.9%
Education & healthcare 23.8%
Retail trade 11.3%
Agriculture & mining 7.5%
Construction 7.0%
Other services 5.7%
Transportation & utilities 5.0%
Finance & real estate 4.1%
Arts, food & hospitality 4.0%
Professional & management 3.2%
Wholesale trade 3.0%
Public administration 1.4%
Information 0.2%

Occupation

Category%
Management, business & arts28.0%
Service11.0%
Sales & office20.0%
Natural resources & construction13.4%
Production & transportation27.5%

Employment type

Type%
Private sector83.2%
Government7.3%
Self-employed9.1%
Unpaid family workers0.4%

Commute

Method%
Drive alone75.9%
Carpool5.6%
Public transit0.0%
Walk6.2%
Other means3.2%
Avg commute (minutes)19.0

Poverty

All people 5.9%
Under 18 years 8.9%
18 and over 4.8%
Married-couple families 2.0%
Female-led households 12.1%

Income support

Source% of households
Social Security30.6%
Retirement income24.1%
Supplemental Security4.5%
Cash public assistance1.2%
Food stamps / SNAP8.2%

Health indicators

Condition%
High blood pressure29.2%
High cholesterol32.2%
Heart disease5.8%
Stroke2.7%
Asthma9.9%
Arthritis23.5%
Kidney disease2.6%
Pulmonary disease6.3%
Cancer6.4%
Behavior / access%
Binge drinking25.9%
No physical activity21.4%
Less than 7 hrs sleep32.1%
Fair or poor health12.5%
Poor mental health14.1%
Poor physical health10.0%
No health insurance11.4%
Visited doctor (checkup)72.2%
Visited dentist67.4%
Cholesterol screening85.6%
Teeth loss12.8%

Veterans & disability

VeteransCount%
Civilian veterans1596.0%
Disability%
Any disability10.1%
Under 182.5%
18–64 years8.3%
65 and over29.1%

Health insurance coverage

Type%
Private insurance68.2%
Public insurance31.9%
Uninsured under 198.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,38693.9%
Spanish702.1%
Other Indo-European200.6%
Asian & Pacific Islander501.5%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)3,53598.0%
Born in same state3,53598.0%
Born in different state2,96082.1%
Foreign born00.0%
Naturalized citizen722.0%
Not a US citizen68.3%

Ancestry

AncestryCount%
Italian37010.3%
French1664.6%
Polish1434%
Arab1213.4%
AncestryCount%
English371%
Dutch230.6%
Irish210.6%
German50.1%

Technology access

Metric% of households
Computer access38.0%
Internet access90.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Spencer, WI have?
Spencer, WI has one ZIP code: 54479. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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