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Wisconsin ZIP Codes
Oneida County
Lake Tomahawk, WI
54539
54539 ZIP Code — Lake Tomahawk, WI
Oneida County, Wisconsin
ZIP code 54539 is located in
Lake Tomahawk ,
Wisconsin ,
within Oneida County .
It covers approximately 55.73 square miles and serves a population of
1,300 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 715 .
About ZIP code 54539
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $239,200. Owner-occupancy is high at 93%, well above the national average.
The gap between median ($74,318) and mean household income suggests income inequality — a small number of higher earners pull the average up. 49% 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 22 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
Overall, ZIP code 54539 reflects a community defined by high homeownership and a significant Social Security-dependent population.
54539 ZIP code map
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Cities in ZIP code 54539
Below are the cities the US Postal Service accepts for ZIP code 54539. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,300
Population density
23 / sq mi
State FIPS
55
County FIPS
085
Geography
Land area
55.73 sq mi
Water area
17.26 sq mi
Latitude
45.7943
Longitude
-89.5711
Timezone
Central (CT)
Area code
715
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.4%
43.9%
39.4%
$50k – $100k
36.1%
33.0%
33.0%
$100k – $200k
11.6%
17.7%
22.4%
Over $200k
12.9%
5.4%
5.2%
Demographics & statistics
$74,318
Median household income
$239,200
Median home value
21.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 167 12.8%
18 and over 1,133 87.2%
65 and over 440 33.8%
Median age 56.2 years
Race & ethnicity
American Indian / Alaska Native
0.6%
Black or African American
0.4%
Group Count %
White 1,225 91.1%
Two or more races 54 4%
Hispanic or Latino 45 3.3%
American Indian / Alaska Native 8 0.6%
Other race 6 0.4%
Black or African American 5 0.4%
Asian 2 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.4%
43.9%
39.4%
$50k – $100k
36.1%
33.0%
33.0%
$100k – $200k
11.6%
17.7%
22.4%
Over $200k
12.9%
5.4%
5.2%
Range % of households
Under $10k 4.3%
$10k–$15k 2.2%
$15k–$25k 10.8%
$25k–$35k 7.2%
$35k–$50k 8.7%
$50k–$75k 17.3%
$75k–$100k 10.8%
$100k–$150k 17.7%
$150k–$200k 7.4%
$200k+ 13.6%
Median income $74,318
Housing
Housing overview
Metric Value
Median home value $239,200
Median rent / month $781
Owner occupied 92.8%
Renter occupied 7.2%
Vacant 69.7%
Single-family detached 87.6%
Large apartment buildings 0.0%
Mobile homes 8.2%
Median rooms 5.0
Avg household size (owned) 2.20
Year built
Era %
2020 or later 0.2%
2010–2019 3.0%
2000–2009 12.4%
1990–1999 16.0%
1980–1989 19.7%
1970–1979 18.4%
1960–1969 15.3%
1950–1959 8.3%
1940–1949 2.3%
1939 or earlier 4.3%
Bedrooms
Size % of units
No bedroom (studio) 1.1%
1 bedroom 5.2%
2 bedrooms 38.9%
3 bedrooms 44.7%
4 bedrooms 7.7%
5+ bedrooms 2.3%
Vehicles per household
Vehicles % of households
No vehicle 1.9%
1 vehicle 29.0%
2 vehicles 50.7%
3 or more 18.4%
Heating fuel
Fuel type %
Utility gas 41.1%
Electricity 11.9%
Propane / LP gas 43.1%
Wood 3.0%
Households & families
Household type Count %
Married-couple family 310 57.6%
Cohabiting couple 39 7.2%
Male householder, no spouse 80 14.9%
Female householder, no spouse 109 20.3%
Households with children under 18 91 16.9%
Households with seniors (65+) 290 53.9%
Average household size 2.18
Marital status
Status Male Female
Never married 24.5% 15.9%
Married 53.4% 56.8%
Separated 0.0% 0.5%
Widowed 3.5% 12.2%
Divorced 18.5% 14.5%
Education
Some college, no degree
27.2%
Graduate / professional
8.2%
Metric %
HS diploma or higher 93.9%
Bachelor's or higher 21.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 3 1.6%
Kindergarten 3 1.6%
Elementary school 89 48.9%
High school 37 20.3%
College / grad school 50 27.5%
Employment
Industry of employment
Education & healthcare
28.5%
Arts, food & hospitality
9.1%
Finance & real estate
8.2%
Professional & management
4.7%
Public administration
4.4%
Transportation & utilities
4.0%
Occupation
Category %
Management, business & arts 45.7%
Service 13.1%
Sales & office 16.1%
Natural resources & construction 13.5%
Production & transportation 11.6%
Employment type
Type %
Private sector 75.7%
Government 14.0%
Self-employed 8.7%
Unpaid family workers 1.5%
Commute
Method %
Drive alone 78.6%
Carpool 14.1%
Public transit 0.0%
Walk 0.6%
Work from home 6.1%
Other means 0.6%
Avg commute (minutes) 21.9
Poverty
Married-couple families
0.3%
Female-led households
60.7%
Income support
Source % of households
Social Security 48.9%
Retirement income 40.7%
Supplemental Security 5.4%
Cash public assistance 1.9%
Food stamps / SNAP 1.9%
Health indicators
Condition %
Obesity 31.3%
High blood pressure 37.4%
High cholesterol 37.3%
Diabetes 11.3%
Heart disease 8.0%
Stroke 3.5%
Asthma 9.1%
Arthritis 29.2%
Kidney disease 3.4%
Pulmonary disease 7.0%
Cancer 9.2%
Behavior / access %
Smoking 15.4%
Binge drinking 21.7%
No physical activity 19.5%
Less than 7 hrs sleep 30.3%
Depression 18.2%
Fair or poor health 12.5%
Poor mental health 11.3%
Poor physical health 10.4%
No health insurance 8.9%
Visited doctor (checkup) 77.3%
Visited dentist 70.3%
Cholesterol screening 91.4%
Teeth loss 9.9%
Veterans & disability
Veterans Count %
Civilian veterans 99 8.7%
Disability %
Any disability 12.9%
Under 18 0.0%
18–64 years 6.5%
65 and over 27.0%
Health insurance coverage
Type %
Private insurance 74.0%
Public insurance 46.8%
No insurance 3.2%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,268 97.5%
Spanish 11 0.9%
Other Indo-European 0 0.0%
Asian & Pacific Islander 11 0.9%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,276 98.2%
Born in same state 1,276 98.2%
Born in different state 987 75.9%
Foreign born 0 0.0%
Naturalized citizen 24 1.8%
Not a US citizen 12 50.0%
Ancestry
Ancestry Count %
Italian 127 9.8%
Arab 91 7%
French 73 5.6%
Polish 72 5.5%
English 30 2.3%
Ancestry Count %
German 17 1.3%
Dutch 14 1.1%
Irish 3 0.2%
Norwegian 3 0.2%
Technology access
Metric % of households
Computer access 41.4%
Internet access 95.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 54539
What city is ZIP code 54539 in?
ZIP code 54539 is primarily assigned to Lake Tomahawk, Wisconsin.
What county is ZIP code 54539 in?
ZIP code 54539 falls within Oneida County, Wisconsin.
Does ZIP code 54539 have an older population?
34% of residents in ZIP code 54539 are 65 or older, above the national average of ~17%.
Is ZIP code 54539 mostly owner-occupied?
93% of occupied units in ZIP code 54539 are owner-occupied, well above the national average.
Does ZIP code 54539 have a large retiree population?
49% of households in ZIP code 54539 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 54539?
ZIP code 54539 has an estimated population of 1,300 residents, with a density of 23 people per square mile.
What timezone is ZIP code 54539 in?
ZIP code 54539 observes the CST timezone.
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