54143 ZIP Code — Marinette, WI

Marinette County, Wisconsin

ZIP code 54143 is located in Marinette, Wisconsin, within Marinette County. It covers approximately 66.29 square miles and serves a population of 14,993 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 715.

About ZIP code 54143

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 $122,600. Owner-occupancy is high at 76%, well above the national average.

Median household income is $61,495. 36% 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 12 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 54143 reflects a community defined by high homeownership and a significant Social Security-dependent population.

14,993

population

66.29

sq mi land

Standard

ZIP type

Central (CT)

timezone

54143 ZIP code map

Cities in ZIP code 54143

Below are the cities the US Postal Service accepts for ZIP code 54143. Using any city not on this list may result in mail delivery delays.

City	Status
Marinette	Acceptable
Marinette	Preferred

Nearby ZIP codes

54157 Peshtigo (6.6 mi) 54159 Porterfield (10.8 mi) 49858 Menominee (11.2 mi) 49893 Wallace (13.3 mi) 54112 Coleman (18.5 mi) 54153 Oconto (19.2 mi) 49848 Ingalls (19.2 mi)

Demographics updated 05/2026

Population
Total population	14,993
Population density	226 / sq mi
State FIPS	55
County FIPS	075

Geography
Land area	66.29 sq mi
Water area	4.92 sq mi
Latitude	45.0919
Longitude	-87.6719
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	47.0%	46.9%	39.4%
$50k – $100k	32.7%	35.1%	33.0%
$100k – $200k	18.1%	15.8%	22.4%
Over $200k	2.2%	2.3%	5.2%

Demographics & statistics

14,993

Population

226

People per sq mi

45.1

Median age

$61,495

Median household income

$37,022

Per capita income

$122,600

Median home value

$762

Median monthly rent

76.2%

Home ownership

10.4%

Poverty rate

4.0%

Unemployment

5,834

Housing units

23.4%

Bachelor's or higher

Age distribution

Male Female

412

Under 5

383

392

5–9

364

377

10–14

351

404

15–19

376

384

20–24

356

961

25–34

894

949

35–44

882

958

45–54

891

658

55–59

612

680

60–64

632

989

65–74

919

364

75–84

338

242

85+

225

← Male

Female →

Age summary

Group	Count	%
Under 18	2,789	18.6%
18 and over	12,204	81.4%
65 and over	3,077	20.5%
Median age	45.1 years

Race & ethnicity

White 94.6%

Two or more races 2.8%

Hispanic or Latino 1.4%

Black or African American 0.6%

American Indian / Alaska Native 0.3%

Asian 0.1%

Other race 0.1%

Group	Count	%
White	14,393	94.6%
Two or more races	420	2.8%
Hispanic or Latino	215	1.4%
Black or African American	98	0.6%
American Indian / Alaska Native	46	0.3%
Asian	19	0.1%
Other race	17	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.0%	46.9%	39.4%
$50k – $100k	32.7%	35.1%	33.0%
$100k – $200k	18.1%	15.8%	22.4%
Over $200k	2.2%	2.3%	5.2%

Under $10k 4.4%

$10k–$15k 5.0%

$15k–$25k 8.5%

$25k–$35k 7.4%

$35k–$50k 12.1%

$50k–$75k 23.0%

$75k–$100k 13.6%

$100k–$150k 17.5%

$150k–$200k 4.8%

$200k+ 3.7%

Range	% of households
Under $10k	4.4%
$10k–$15k	5.0%
$15k–$25k	8.5%
$25k–$35k	7.4%
$35k–$50k	12.1%
$50k–$75k	23.0%
$75k–$100k	13.6%
$100k–$150k	17.5%
$150k–$200k	4.8%
$200k+	3.7%
Median income	$61,495

Housing

Home values

Under $50k 10.8%

$50k–$100k 25.6%

$100k–$150k 23.5%

$150k–$200k 17.4%

$200k–$300k 14.1%

$300k–$500k 7.1%

$500k–$1M 1.4%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$122,600
Median rent / month	$762
Owner occupied	76.2%
Renter occupied	23.8%
Vacant	8.2%
Single-family detached	74.5%
Large apartment buildings	7.7%
Mobile homes	6.8%
Median rooms	5.9
Avg household size (owned)	2.22

Year built

Era	%
2020 or later	0.0%
2010–2019	2.3%
2000–2009	6.1%
1990–1999	8.8%
1980–1989	9.8%
1970–1979	15.6%
1960–1969	10.7%
1950–1959	8.9%
1940–1949	8.5%
1939 or earlier	29.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	11.5%
2 bedrooms	22.1%
3 bedrooms	48.4%
4 bedrooms	14.0%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	36.5%
2 vehicles	41.2%
3 or more	16.9%

Heating fuel

Fuel type	%
Utility gas	71.4%
Electricity	15.3%
Propane / LP gas	6.7%
Fuel oil	0.6%
Wood	4.1%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	3,154	46.0%
Cohabiting couple	530	7.7%
Male householder, no spouse	1,568	22.9%
Female householder, no spouse	1,600	23.4%
Households with children under 18	1,389	20.3%
Households with seniors (65+)	2,192	32.0%
Average household size	2.14

Marital status

Status	Male	Female
Never married	32.2%	22.7%
Married	48.9%	53.7%
Separated	0.1%	0.9%
Widowed	3.3%	9.9%
Divorced	15.5%	12.8%

Education

Less than 9th grade 2.5%

Some HS, no diploma 3.7%

HS graduate 33.9%

Some college, no degree 21.3%

Associate's degree 15.2%

Bachelor's degree 15.5%

Graduate / professional 7.9%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	23.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	405	14.9%
Kindergarten	170	6.3%
Elementary school	996	36.6%
High school	570	21.0%
College / grad school	578	21.3%

Employment

Industry of employment

Manufacturing 34.8%

Education & healthcare 20.0%

Arts, food & hospitality 10.5%

Retail trade 8.5%

Construction 5.1%

Professional & management 3.4%

Other services 3.4%

Transportation & utilities 3.3%

Finance & real estate 3.2%

Public administration 2.9%

Wholesale trade 1.8%

Agriculture & mining 1.7%

Information 1.4%

Occupation

Category	%
Management, business & arts	30.6%
Service	14.5%
Sales & office	17.3%
Natural resources & construction	8.5%
Production & transportation	29.1%

Employment type

Type	%
Private sector	84.4%
Government	9.2%
Self-employed	5.7%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	86.5%
Carpool	6.0%
Public transit	0.0%
Walk	2.3%
Work from home	3.4%
Other means	1.8%
Avg commute (minutes)	12.4

Poverty

All people 10.4%

Under 18 years 12.9%

18 and over 9.8%

Married-couple families 2.4%

Female-led households 21.4%

Income support

Source	% of households
Social Security	36.3%
Retirement income	26.2%
Supplemental Security	5.0%
Cash public assistance	2.4%
Food stamps / SNAP	12.2%

Health indicators

Condition	%
Obesity	39.0%
High blood pressure	34.5%
High cholesterol	35.8%
Diabetes	10.2%
Heart disease	7.3%
Stroke	3.6%
Asthma	10.1%
Arthritis	26.8%
Kidney disease	3.3%
Pulmonary disease	7.8%
Cancer	7.6%

Behavior / access	%
Smoking	19.7%
Binge drinking	23.3%
No physical activity	23.1%
Less than 7 hrs sleep	33.2%
Depression	20.6%
Fair or poor health	14.5%
Poor mental health	14.1%
Poor physical health	11.5%
No health insurance	11.0%
Visited doctor (checkup)	74.1%
Visited dentist	65.3%
Cholesterol screening	86.9%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,038	8.5%

Disability	%
Any disability	18.8%
Under 18	11.4%
18–64 years	15.9%
65 and over	34.6%

Health insurance coverage

Type	%
Private insurance	73.5%
Public insurance	38.5%
No insurance	3.6%
Uninsured under 19	3.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,198	94.7%
Spanish	124	0.9%
Other Indo-European	40	0.3%
Asian & Pacific Islander	76	0.5%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,784	98.6%
Born in same state	14,654	97.7%
Born in different state	9,032	60.2%
Foreign born	130	0.9%
Naturalized citizen	209	1.4%
Not a US citizen	99	47.4%

Ancestry

Ancestry	Count	%
Italian	1,107	7.4%
Arab	893	6%
French	807	5.4%
German	668	4.5%
Polish	666	4.4%

Ancestry	Count	%
English	370	2.5%
Dutch	128	0.9%
Irish	63	0.4%
Norwegian	30	0.2%

Technology access

Metric	% of households
Computer access	45.7%
Internet access	91.4%

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

Frequently asked questions about ZIP code 54143

What city is ZIP code 54143 in?

ZIP code 54143 is primarily assigned to Marinette, Wisconsin.

What county is ZIP code 54143 in?

ZIP code 54143 falls within Marinette County, Wisconsin.

Does ZIP code 54143 have a large retiree population?

36% of households in ZIP code 54143 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 54143?

The median home value in ZIP code 54143 is $122,600.

What is the population of ZIP code 54143?

ZIP code 54143 has an estimated population of 14,993 residents, with a density of 226 people per square mile.

What is the median household income in ZIP code 54143?

The median household income in ZIP code 54143 is $61,495, below the national median of ~$75,000.

What timezone is ZIP code 54143 in?

ZIP code 54143 observes the CST timezone.