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Wisconsin ZIP Codes
Polk County
Milltown, WI
54858
54858 ZIP Code — Milltown, WI
Polk County, Wisconsin
ZIP code 54858 is located in
Milltown ,
Wisconsin ,
within Polk County .
It covers approximately 17.59 square miles and serves a population of
1,539 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 715 .
About ZIP code 54858
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $188,600. Owner-occupancy is high at 78%, well above the national average.
Median household income is $49,458. 51% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.
Overall, ZIP code 54858 reflects a community defined by high homeownership and a significant Social Security-dependent population.
54858 ZIP code map
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Cities in ZIP code 54858
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,539
Population density
87 / sq mi
State FIPS
55
County FIPS
095
Geography
Land area
17.59 sq mi
Water area
0.47 sq mi
Latitude
45.5245
Longitude
-92.4582
Timezone
Central (CT)
Area code
715
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
62.4%
39.8%
39.4%
$50k – $100k
24.6%
35.2%
33.0%
$100k – $200k
11.9%
22.1%
22.4%
Over $200k
1.1%
2.9%
5.2%
Demographics & statistics
$49,458
Median household income
$188,600
Median home value
23.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 219 14.2%
18 and over 1,320 85.8%
65 and over 424 27.6%
Median age 51.2 years
Race & ethnicity
American Indian / Alaska Native
1.3%
Group Count %
White 1,443 92%
Two or more races 75 4.8%
Hispanic or Latino 29 1.8%
American Indian / Alaska Native 21 1.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
62.4%
39.8%
39.4%
$50k – $100k
24.6%
35.2%
33.0%
$100k – $200k
11.9%
22.1%
22.4%
Over $200k
1.1%
2.9%
5.2%
Range % of households
Under $10k 9.3%
$10k–$15k 5.3%
$15k–$25k 9.2%
$25k–$35k 11.2%
$35k–$50k 17.6%
$50k–$75k 15.2%
$75k–$100k 10.3%
$100k–$150k 13.3%
$150k–$200k 6.1%
$200k+ 2.5%
Median income $49,458
Housing
Housing overview
Metric Value
Median home value $188,600
Median rent / month $665
Owner occupied 77.9%
Renter occupied 22.1%
Vacant 28.2%
Single-family detached 79.6%
Large apartment buildings 5.7%
Mobile homes 8.1%
Median rooms 5.2
Avg household size (owned) 2.15
Year built
Era %
2020 or later 0.0%
2010–2019 3.3%
2000–2009 13.0%
1990–1999 16.5%
1980–1989 9.3%
1970–1979 16.4%
1960–1969 6.8%
1950–1959 12.7%
1940–1949 10.7%
1939 or earlier 11.3%
Bedrooms
Size % of units
No bedroom (studio) 4.3%
1 bedroom 12.6%
2 bedrooms 31.0%
3 bedrooms 30.8%
4 bedrooms 15.9%
5+ bedrooms 5.4%
Vehicles per household
Vehicles % of households
No vehicle 5.1%
1 vehicle 24.4%
2 vehicles 48.9%
3 or more 21.7%
Heating fuel
Fuel type %
Utility gas 42.3%
Electricity 12.5%
Propane / LP gas 24.9%
Fuel oil 2.3%
Wood 17.0%
Households & families
Household type Count %
Married-couple family 399 53.1%
Cohabiting couple 69 9.2%
Male householder, no spouse 127 16.9%
Female householder, no spouse 156 20.8%
Households with children under 18 127 16.9%
Households with seniors (65+) 335 44.6%
Average household size 2.04
Marital status
Status Male Female
Never married 24.8% 21.5%
Married 54.7% 57.8%
Separated 1.5% 0.0%
Widowed 4.2% 9.1%
Divorced 14.8% 11.7%
Education
Some college, no degree
18.7%
Graduate / professional
6.1%
Metric %
HS diploma or higher 93.7%
Bachelor's or higher 23.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 13 6.0%
Kindergarten 7 3.3%
Elementary school 127 59.1%
High school 38 17.7%
College / grad school 30 14.0%
Employment
Industry of employment
Education & healthcare
23.4%
Professional & management
5.7%
Finance & real estate
3.4%
Arts, food & hospitality
3.4%
Transportation & utilities
1.9%
Public administration
1.7%
Agriculture & mining
1.1%
Occupation
Category %
Management, business & arts 31.7%
Service 15.1%
Sales & office 15.7%
Natural resources & construction 17.4%
Production & transportation 20.1%
Employment type
Type %
Private sector 84.0%
Government 11.7%
Self-employed 4.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 87.5%
Carpool 3.2%
Public transit 0.0%
Walk 0.3%
Work from home 6.5%
Other means 2.5%
Avg commute (minutes) 28.7
Poverty
Married-couple families
3.8%
Female-led households
52.2%
Income support
Source % of households
Social Security 50.9%
Retirement income 35.0%
Supplemental Security 4.3%
Cash public assistance 3.9%
Food stamps / SNAP 12.6%
Health indicators
Condition %
Obesity 32.4%
High blood pressure 34.0%
High cholesterol 36.2%
Diabetes 9.8%
Heart disease 6.9%
Stroke 3.2%
Asthma 9.7%
Arthritis 25.9%
Kidney disease 3.0%
Pulmonary disease 6.9%
Cancer 7.5%
Behavior / access %
Smoking 17.9%
Binge drinking 24.1%
No physical activity 21.6%
Less than 7 hrs sleep 29.4%
Depression 20.2%
Fair or poor health 12.9%
Poor mental health 13.4%
Poor physical health 10.5%
No health insurance 10.3%
Visited doctor (checkup) 73.8%
Visited dentist 69.6%
Cholesterol screening 87.5%
Teeth loss 12.2%
Veterans & disability
Veterans Count %
Civilian veterans 105 8.0%
Disability %
Any disability 17.3%
Under 18 4.1%
18–64 years 15.2%
65 and over 28.5%
Health insurance coverage
Type %
Private insurance 63.4%
Public insurance 52.3%
No insurance 4.3%
Uninsured under 19 5.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,475 95.8%
Spanish 20 1.4%
Other Indo-European 20 1.4%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,517 98.6%
Born in same state 1,512 98.2%
Born in different state 765 49.7%
Foreign born 5 0.3%
Naturalized citizen 22 1.4%
Not a US citizen 22 100.0%
Ancestry
Ancestry Count %
Polish 192 12.5%
Italian 173 11.2%
Arab 105 6.8%
French 70 4.5%
Ancestry Count %
Dutch 62 4%
German 27 1.8%
English 12 0.8%
Irish 3 0.2%
Technology access
Metric % of households
Computer access 48.8%
Internet access 87.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 54858
What city is ZIP code 54858 in?
ZIP code 54858 is primarily assigned to Milltown, Wisconsin.
What county is ZIP code 54858 in?
ZIP code 54858 falls within Polk County, Wisconsin.
Does ZIP code 54858 have an older population?
28% of residents in ZIP code 54858 are 65 or older, above the national average of ~17%.
Does ZIP code 54858 have a large retiree population?
51% of households in ZIP code 54858 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 54858?
15% of residents in ZIP code 54858 live below the poverty line, above the national average.
What is the typical home value in ZIP code 54858?
The median home value in ZIP code 54858 is $188,600.
What timezone is ZIP code 54858 in?
ZIP code 54858 observes the CST timezone.
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