54448 ZIP Code — Marathon, WI

Marathon County, Wisconsin

ZIP code 54448 is located in Marathon, Wisconsin, within Marathon County. It covers approximately 91.11 square miles and serves a population of 4,225 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 715.

About ZIP code 54448

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $227,100. Owner-occupancy is high at 89%, well above the national average.

Median household income is $91,364. The poverty rate of 3% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 54448 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,225

population

91.11

sq mi land

Standard

ZIP type

Central (CT)

timezone

54448 ZIP code map

Cities in ZIP code 54448

Below are the cities the US Postal Service accepts for ZIP code 54448. Using any city not on this list may result in mail delivery delays.

City	Status
Marathon	Acceptable
Marathon	Preferred

Nearby ZIP codes

54401 Wausau (5.6 mi) 54411 Athens (9.4 mi) 54426 Edgar (11 mi) 54474 Rothschild (11.7 mi) 54455 Mosinee (14.9 mi) 54476 Schofield (15.5 mi) 54403 Wausau (16.2 mi) 54484 Stratford (16.7 mi) 54452 Merrill (18.8 mi) 54471 Ringle (19.7 mi)

Demographics updated 05/2026

Population
Total population	4,225
Population density	46 / sq mi
State FIPS	55
County FIPS	073

Geography
Land area	91.11 sq mi
Water area	0.07 sq mi
Latitude	44.9675
Longitude	-89.8269
Timezone	Central (CT)
Area code	715

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.4%	39.2%	39.4%
$50k – $100k	40.7%	36.4%	33.0%
$100k – $200k	26.8%	20.1%	22.4%
Over $200k	6.1%	4.3%	5.2%

Demographics & statistics

4,225

Population

People per sq mi

45.7

Median age

$91,364

Median household income

$41,009

Per capita income

$227,100

Median home value

$779

Median monthly rent

88.5%

Home ownership

2.7%

Poverty rate

2.5%

Unemployment

1,543

Housing units

25.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

114

5–9

111

155

10–14

152

197

15–19

193

104

20–24

102

153

25–34

149

253

35–44

247

271

45–54

266

215

55–59

210

175

60–64

172

253

65–74

248

103

75–84

100

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	962	22.8%
18 and over	3,263	77.2%
65 and over	830	19.6%
Median age	45.7 years

Race & ethnicity

White 94.8%

Asian 1.6%

Hispanic or Latino 1.4%

Two or more races 1.3%

Other race 0.6%

Black or African American 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	4,062	94.8%
Asian	70	1.6%
Hispanic or Latino	58	1.4%
Two or more races	54	1.3%
Other race	27	0.6%
Black or African American	8	0.2%
American Indian / Alaska Native	4	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.4%	39.2%	39.4%
$50k – $100k	40.7%	36.4%	33.0%
$100k – $200k	26.8%	20.1%	22.4%
Over $200k	6.1%	4.3%	5.2%

Under $10k 0.5%

$10k–$15k 3.1%

$15k–$25k 4.3%

$25k–$35k 4.2%

$35k–$50k 9.6%

$50k–$75k 19.5%

$75k–$100k 15.0%

$100k–$150k 25.3%

$150k–$200k 10.6%

$200k+ 7.8%

Range	% of households
Under $10k	0.5%
$10k–$15k	3.1%
$15k–$25k	4.3%
$25k–$35k	4.2%
$35k–$50k	9.6%
$50k–$75k	19.5%
$75k–$100k	15.0%
$100k–$150k	25.3%
$150k–$200k	10.6%
$200k+	7.8%
Median income	$91,364

Housing

Home values

Under $50k 3.1%

$50k–$100k 5.2%

$100k–$150k 11.6%

$150k–$200k 19.9%

$200k–$300k 31.1%

$300k–$500k 23.4%

$500k–$1M 5.0%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$227,100
Median rent / month	$779
Owner occupied	88.5%
Renter occupied	11.5%
Vacant	4.2%
Single-family detached	90.2%
Large apartment buildings	0.5%
Mobile homes	3.7%
Median rooms	6.5
Avg household size (owned)	2.63

Year built

Era	%
2020 or later	0.0%
2010–2019	2.8%
2000–2009	19.0%
1990–1999	16.9%
1980–1989	10.8%
1970–1979	12.1%
1960–1969	5.8%
1950–1959	8.4%
1940–1949	1.8%
1939 or earlier	22.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	2.5%
2 bedrooms	15.5%
3 bedrooms	48.9%
4 bedrooms	22.4%
5+ bedrooms	10.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	22.0%
2 vehicles	39.5%
3 or more	36.6%

Heating fuel

Fuel type	%
Utility gas	31.8%
Electricity	5.8%
Propane / LP gas	39.6%
Fuel oil	12.8%
Wood	9.7%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	1,125	67.7%
Cohabiting couple	79	4.8%
Male householder, no spouse	162	9.7%
Female householder, no spouse	296	17.8%
Households with children under 18	417	25.1%
Households with seniors (65+)	599	36.0%
Average household size	2.54

Marital status

Status	Male	Female
Never married	25.4%	21.1%
Married	65.9%	62.2%
Separated	0.3%	0.8%
Widowed	1.4%	9.4%
Divorced	7.1%	6.5%

Education

Less than 9th grade 2.9%

Some HS, no diploma 2.6%

HS graduate 37.3%

Some college, no degree 17.5%

Associate's degree 14.7%

Bachelor's degree 19.2%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	94.5%
Bachelor's or higher	25.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	27	2.6%
Kindergarten	44	4.3%
Elementary school	446	43.3%
High school	370	36.0%
College / grad school	142	13.8%

Employment

Industry of employment

Manufacturing 27.6%

Education & healthcare 20.7%

Retail trade 9.4%

Professional & management 7.1%

Transportation & utilities 5.9%

Finance & real estate 5.8%

Arts, food & hospitality 5.1%

Construction 4.6%

Other services 4.1%

Agriculture & mining 3.4%

Public administration 3.0%

Wholesale trade 2.6%

Information 0.7%

Occupation

Category	%
Management, business & arts	35.0%
Service	15.4%
Sales & office	16.9%
Natural resources & construction	7.9%
Production & transportation	24.8%

Employment type

Type	%
Private sector	83.0%
Government	9.5%
Self-employed	7.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.1%
Carpool	6.8%
Public transit	0.0%
Walk	4.0%
Work from home	8.7%
Other means	0.4%
Avg commute (minutes)	18.9

Poverty

All people 2.7%

Under 18 years 1.5%

18 and over 3.1%

Married-couple families 0.7%

Female-led households 3.4%

Income support

Source	% of households
Social Security	37.1%
Retirement income	24.1%
Supplemental Security	2.2%
Cash public assistance	1.0%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
Obesity	35.3%
High blood pressure	31.0%
High cholesterol	33.9%
Diabetes	9.6%
Heart disease	6.3%
Stroke	2.9%
Asthma	9.5%
Arthritis	25.1%
Kidney disease	2.7%
Pulmonary disease	6.2%
Cancer	7.2%

Behavior / access	%
Smoking	18.0%
Binge drinking	25.1%
No physical activity	20.8%
Less than 7 hrs sleep	31.8%
Depression	18.9%
Fair or poor health	12.0%
Poor mental health	13.0%
Poor physical health	9.8%
No health insurance	10.0%
Visited doctor (checkup)	73.9%
Visited dentist	70.3%
Cholesterol screening	88.1%
Teeth loss	11.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	250	7.7%

Disability	%
Any disability	11.3%
Under 18	4.2%
18–64 years	6.0%
65 and over	34.9%

Health insurance coverage

Type	%
Private insurance	83.8%
Public insurance	26.9%
No insurance	1.0%
Uninsured under 19	0.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,069	96.3%
Spanish	25	0.6%
Other Indo-European	3	0.1%
Asian & Pacific Islander	2	0.0%
Other languages	20	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,193	99.2%
Born in same state	4,191	99.2%
Born in different state	3,705	87.7%
Foreign born	2	0.0%
Naturalized citizen	32	0.8%
Not a US citizen	22	68.8%

Ancestry

Ancestry	Count	%
Italian	229	5.4%
Polish	133	3.1%
German	132	3.1%
French	129	3.1%

Ancestry	Count	%
Arab	117	2.8%
English	44	1%
Dutch	21	0.5%
Irish	10	0.2%

Technology access

Metric	% of households
Computer access	39.3%
Internet access	89.5%

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

Frequently asked questions about ZIP code 54448

What city is ZIP code 54448 in?

ZIP code 54448 is primarily assigned to Marathon, Wisconsin.

What county is ZIP code 54448 in?

ZIP code 54448 falls within Marathon County, Wisconsin.

Is ZIP code 54448 mostly owner-occupied?

89% of occupied units in ZIP code 54448 are owner-occupied, well above the national average.

Does ZIP code 54448 have a large retiree population?

37% of households in ZIP code 54448 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 54448?

ZIP code 54448 has an estimated population of 4,225 residents, with a density of 46 people per square mile.

What is the median household income in ZIP code 54448?

The median household income in ZIP code 54448 is $91,364, above the national median of ~$75,000.

What timezone is ZIP code 54448 in?

ZIP code 54448 observes the CST timezone.