Marinette County, WI demographics:
population, income, and more

Total population
42,046
0.3% year-over-year change
Median household income
$63,809/yr
0.6% year-over-year change
Housing units
29,484
0.4% year-over-year change

Marinette County population

How many people live in Marinette County

Marinette County is home to 42,046 residents, according to the most recent Census data. Gender-wise, 50.8% of Marinette County locals are male, and 49.2% are female.

Total population
42,046
0.3% year-over-year change
Gender ratio
Male
50.8%
21,374
Female
49.2%
20,672
Value Percent YoY change
Male 21,374 50.8% 0.6%
Female 20,672 49.2% 0.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Marinette County is 49, with the population distributed as follows: about 15.2% are children under 15, then 9.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.1% of the population, while another 28.5% fall into the 45 to 64 bracket. Finally, around 25.3% are 65 or older.

Median age
48.7
Age breakdown
Under 15
15.2%
15 to 24
9.9%
25 to 44
21.1%
45 to 64
28.5%
Over 65
25.3%
Value Percent YoY change
Under 15 6,381 15.2% 0.0%
15 to 24 4,179 9.9% -0.9%
25 to 44 8,880 21.1% 1.3%
45 to 64 11,970 28.5% -2.1%
Over 65 10,636 25.3% 3.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Marinette County, 97.6% of the population are US-born citizens, while 1.5% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 93.9% of locals are Caucasian, 0.5% are African American and 0.5% have Asian roots. Another 0.3% are Indigenous American, 0.1% are Pacific Islanders, while 0.8% identify as another race. There’s also a share of 3.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.6%
Non-U.S.-born citizens
1.5%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 41,014 97.6% 0.2%
Non-U.S.-born citizens 619 1.5% -1.1%
Non-citizens 413 1% 12.8%
Racial breakdown
White
93.9%
Black or African American
0.5%
American Indian and Alaska Native
0.3%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
3.9%
Other
0.8%
Value Percent
White 39,496 93.9%
Black or African American 214 0.5%
American Indian and Alaska Native 120 0.3%
Asian 214 0.5%
Native Hawaiian and other Pacific Islander 34 0.1%
Two or more races 1,638 3.9%
Other 330 0.8%

Households in Marinette County

A peek inside Marinette County households

Marinette County has 19,051 households, with an average of 2 members in each. Of these, 61.9% are families, while the remaining 38.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
19,051
2.2% year-over-year change
Average people per household
2
Non-family households
7,260
Family households
11,791
Value Percent YoY change
Non-family households 7,260 38.1% 1.4%
Family households 11,791 61.9% 2.7%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Marinette County

The housing landscape of Marinette County

Marinette County's housing consists of 29,484 units, with 80.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 11% of the housing landscape.

Housing units
29,484
0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 23,789 80.7%
1 unit, attached 211 0.7%
2 units 514 1.7%
3 or 4 units 298 1%
5 to 9 units 412 1.4%
10 to 19 units 340 1.2%
20 to 49 units 287 1%
50 or more units 358 1.2%
Mobile home 3,241 11%
Boat, RV, van, etc. 34 0.1%
Homes built since 2020
319
215.8% year-over-year change

The age of buildings in Marinette County

In Marinette County, the median construction year is 1975. About 15.5% of homes were built before the 1940s, with another 6.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.8% of homes were added from 2000 to 2009, 4.8% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 4,576 15.5% 0.4%
Built between 1940 and 1949 1,899 6.4% 12.7%
Built between 1950 and 1959 2,932 9.9% 5.4%
Built between 1960 and 1969 2,704 9.2% -10.4%
Built between 1970 and 1979 4,989 16.9% -5.9%
Built between 1980 and 1989 3,425 11.6% 1.0%
Built between 1990 and 1999 3,431 11.6% 0.7%
Built between 2000 and 2009 3,785 12.8% -0.6%
Built between 2010 and 2019 1,424 4.8% 7.8%
Built in 2020 or later 319 1.1% 215.8%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Marinette County occupancy rates

Out of the 19,051 occupied housing units in Marinette County, 81.6% are owner-occupied, while 18.4% are lived in by tenants. Meanwhile, 35.4% of all homes on the local market sit vacant.

Occupied housing units
19,051
2.2% year-over-year change
Occupancy breakdown
Renter occupied
3,499
Owner occupied
15,552
Value Percent YoY
change
Renter occupied 3,499 18.4% -4.2%
Owner occupied 15,552 81.6% 3.8%
Unoccupied housing units
35.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Marinette County housing costs

Housing costs in Marinette County come to a median of $776 per month, while tenants specifically pay a median gross rent of $795.

Median housing costs per month
$776/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Marinette County
$795/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Marinette County

Marinette County education at a glance

About 43.1% of the population in Marinette County went to high school, while 22.6% pursued college studies. Another 13.4% earned an associate degree and 13.7% hold a bachelor’s. Meanwhile, 5.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 688 2% 5.7%
High school diploma 14,708 43.1% -0.2%
College diploma 7,716 22.6% 1.3%
Associate degree 4,568 13.4% -0.8%
Bachelor's degree 4,666 13.7% 5.3%
Graduate degree 1,768 5.2% -7.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Marinette County

How much people earn in Marinette County

The average annual household income in Marinette County was $79,117 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.2% change from the previous year. At the same time, the median income stood at $63,809, reflecting a +0.6% shift over the same period.

Average household income in Marinette County
$79,117/year
-1.2% year-over-year change
Median household income in Marinette County
$63,809/year
0.6% year-over-year change

Marinette County income by age

In Marinette County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $81,821. Those with someone between 45 and 64 in charge, often well established professionally, earn $76,825 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $50,564, while those led by someone over 65, many of whom may be retired, have about $48,134 in earnings. Overall, 90.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $50,564 -0.9%
25 - 44 $81,821 1.1%
45 - 64 $76,825 3.6%
Over 65 $48,134 -0.6%
Above poverty level
36,733
Below poverty level
3,948
Value Percent YoY
change
Above poverty level 36,733 90.3% -0.7%
Below poverty level 3,948 9.7% 8.6%

Employment in Marinette County

Workforce and job types in Marinette County

The job market in Marinette County is powered by 19,258 working residents, spread across a range of industries and roles. 64.1% of the working population are employed in professional or administrative positions, while 35.9% are in hands-on or service-based jobs. Also, 11.5% run their own businesses, 68% are employed by private companies, and 12.6% work in the public sector.

Workforce demographics

Working population
19,258
-0.4% year-over-year change
White collar
12,352
Blue collar
6,906
Value Percent YoY change
White collar 12,352 64.1% 0.0%
Blue collar 6,906 35.9% -1.1%
Employer type
Self employees
11.5%
Private companies
68%
Governmental workers
12.6%
Not for profit companies
7.9%
Value Percent YoY change
Self employees 2,213 11.5% -3.0%
Private companies 13,103 68% -4.2%
Governmental workers 2,424 12.6% 19.4%
Not for profit companies 1,518 7.9% 13.8%
Unemployment rate
3.4%
-12.4% year-over-year change

Available workforce

The unemployment rate in Marinette County stands at 3.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Marinette County

How people get around in Marinette County

In Marinette County, the average commute time is 21 minutes. Commuting methods vary: 87.5% of residents travel by personal vehicle and 2.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
21 min
1.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 16,551 87.5% -1.2%
Taxicab 36 0.2% -2.7%
Bus or trolleybus 17 0.1% -51.4%
Motorcycle 50 0.3% -18.0%
Bicycle 104 0.6% -2.8%
Walk 482 2.6% -4.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Marinette County by zipcode?

Zipcode Population Number of households Median income Average income
54120 213 119 $53,906 $70,434
54125 430 210 $46,429 $52,033
54143 15,119 6,925 $64,491 $83,367
54151 3,411 1,515 $69,511 $81,923
54156 1,502 694 $49,625 $61,604
54102 763 420 $41,917 $58,635
54104 1,027 531 $56,286 $65,090
54112 2,716 1,070 $71,141 $80,955
54114 5,926 2,757 $59,217 $73,968
54119 715 208 $54,375 $63,468

Find your place

Explore more communities

FAQs about Marinette County demographics 

What is the total population of Marinette County?

Marinette County has a total population of 42,046 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.3% compared to a year ago.

What is the gender ratio in Marinette County?

The gender ratio in Marinette County is as follows:
  • 50.8% males (21,374 residents)
  • 49.2% females (20,672 residents)

What is the median age in Marinette County?

The median age in Marinette County is 48.7.

What is the age distribution of the population in Marinette County?

The age distribution in Marinette County is as follows:
  • Under 15: 15.2% (6,381 residents)
  • Ages 15-24: 9.9% (4,179 residents)
  • Ages 25-44: 21.1% (8,880 residents)
  • Ages 45-64: 28.5% (11,970 residents)
  • Over 65: 25.3% (10,636 residents)

What is the racial and ethnic makeup of Marinette County?

The racial and ethnic makeup of Marinette County is as follows:
  • White: 93.9% (39,496 residents)
  • Black or African American: 0.5% (214 residents)
  • American Indian and Alaska Native: 0.3% (120 residents)
  • Asian: 0.5% (214 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (34 residents)
  • Two or More Races: 3.9% (1,638 residents)
  • Other: 0.8% (330 residents)

What percentage of the population in Marinette County are U.S.-born citizens?

U.S.-born citizens represent 97.6% of the population in Marinette County.

How many housing units are there in Marinette County?

There are 29,484 housing units in Marinette County, reflecting a +0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Marinette County and what is the average household size?

Marinette County has a total of 19,051 households, with an average of 2 people in each.

What is the median household income in Marinette County?

Marinette County has a median household income of $63,809, representing a +0.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Marinette County?

The employment rate is 96.6% in Marinette County, with a workforce of 19,258 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64.1% (12,352 residents)
  • Blue-collar workers: 35.9% (6,906 residents)

Places of employment:
  • Self-employed: 11.5% (2,213 residents)
  • Private companies: 68% (13,103 residents)
  • Governmental workers: 12.6% (2,424 residents)
  • Not-for-profit companies: 7.9% (1,518 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025