Marathon County, Wisconsin Population 2024

139,269

Marathon County, Wisconsin's estimated 2024 population is 139,269 with a growth rate of 0.47% in the past year according to the most recent United States census data. Marathon County, Wisconsin is the 10th largest county in Wisconsin. The 2010 population was 134,064 and has seen a growth of 3.88% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029142,5546570.46%
2028141,8976570.47%
2027141,2406570.47%
2026140,5836570.47%
2025139,9266570.47%
2024139,2696570.47%
2023138,6126570.48%
2022137,9552000.15%
2021137,755-323-0.23%
2020138,0782,3811.75%
2019135,6972190.16%
2018135,478-47-0.03%
2017135,5253930.29%
2016135,132-229-0.17%
2015135,3611880.14%
2014135,1732610.19%
2013134,9125210.39%
2012134,391360.03%
2011134,3552910.22%
2010134,06400%
1990115,4004,1303.71%
1980111,27013,81314.17%
197097,4578,5839.66%
196088,8748,53710.63%
195080,3374,4225.82%
194075,9155,2867.48%
193070,6295,3708.23%
192065,25910,20518.54%
191055,05411,79827.27%
190043,25612,88742.43%
189030,36913,24877.38%
188017,12111,236190.93%
18705,8852,993103.49%
18602,8922,384469.29%
1850508-142,046-99.64%
2024 Growth Rate
0.47% (657)
County Website
Marathon County
County Seat
Wausau
2020 Population
138,078
Area
1545 mi²
Density
90 people/mi²
Growth Since 2020
0.86% (1,191)
Founded
1850

Population by Race

Race
Population
Percentage (of total)
White122,15988.64%
Asian7,7115.59%
Two or more races5,1223.72%
Other race1,6781.22%
Black or African American7650.56%
Native American2830.21%
Native Hawaiian or Pacific Islander1020.07%

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Marathon County, Wisconsin Population by Race

Marathon County, Wisconsin Population Pyramid 2024

Marathon County, Wisconsin Median Age

41

Total

40.3

Male

41.8

Female

Marathon County, Wisconsin Adults

There are 106,740 adults, (25,287 of whom are seniors) in Marathon County, Wisconsin.

Marathon County, Wisconsin Age Dependency

69.2

Age Dependency Ratio

31

Old Age Dependency Ratio

38.2

Child Dependency Ratio

Marathon County, Wisconsin Sex Ratio

Female68,10749.42%
Male69,71350.58%

Marathon County, Wisconsin Population by Age

Marathon County, Wisconsin Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All56,4842.4172.927.1
Married29,9383.0188.611.4
Non Family19,5051.2754.745.3
Female4,3153.0553.246.8
Male2,7262.9461.738.3

2.92

Average Family Size

2.41

Average Household Size

72.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marathon County, Wisconsin Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade4,0364.2%
Associates Degree13,20313.74%
Bachelors Degree17,89518.63%
Graduate Degree8,0908.42%
High School Graduate31,71133.01%
Less Than 9th Grade2,9703.09%
Some College18,17118.91%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Marathon County, Wisconsin Educational Attainment by Sex (over 25)

Marathon County, Wisconsin Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White87,55182,38323,812
Asian4,0993,4071,149
2+ Races2,1021,984661
Hispanic1,977948256
Other Race1,042497127
Black450377113
Native American19610516

The highest rate of high school graduation is among 2+ races people with a rate of 94.39%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 31.45%.

Marathon County, Wisconsin Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$57,401$68,304$51,047
Graduate Degree$69,974$86,082$62,775
High School Graduate$39,328$46,084$30,629
Less Than 9th Grade$33,873$42,714$27,305
Overall$47,168$54,957$40,957
Some College$46,651$55,879$40,234

$47,168

Average Earnings

$54,957

Average Male

$40,957

Average Female

Marathon County, Wisconsin Earnings by Educational Attainment

Marathon County, Wisconsin Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Marathon County, Wisconsin Language

92.47% of Marathon County, Wisconsin residents speak only English, while 7.53% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.85% of the population.

Marathon County, Wisconsin Language

Marathon County, Wisconsin Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White119,1598,2966.96%
Hispanic4,1701,29130.96%
Multiple4,74788218.58%
Asian7,68779010.28%
Other1,67160236.03%
Black71121730.52%
Native2553513.73%
Islander1022625.49%

8.33%

Overall Poverty Rate

7.59%

Male Poverty Rate

9.09%

Female Poverty Rate

Poverty in Marathon County, Wisconsin

The race most likely to be in poverty in Marathon County, Wisconsin is Other, with 36.03% below the poverty level.

The race least likely to be in poverty in Marathon County, Wisconsin is White, with 6.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.55%. Among those working part-time, it was 11.63%, and for those that did not work, the poverty rate was 15.92%.

Marathon County, Wisconsin Poverty

rate

Rate
Poverty
Less Than 9th Grade25.99%
High School8.1%
Some College6.13%
Bachelors or Greater2.92%

Marathon County, Wisconsin Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed27.5%
Female Unemployed16.1%
Female Employed4.64%
Male Employed3.3%

Marathon County, Wisconsin Poverty Rate by Employment Status and Sex

Marathon County, Wisconsin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$90,578$110,158
Households$73,248$93,251
Married Families$99,296$120,451
Non Families$41,245$56,995

mean

median

Income by Household Type

Marathon County, Wisconsin Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.9%

Overall Marriage Rate

54.9%

Male Marriage Rate

54.9%

Female Marriage Rate

Marathon County, Wisconsin Married by Age and Sex

male

female

Marathon County, Wisconsin Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Marathon County, Wisconsin Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marathon County, Wisconsin Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

7,758

Number of Veterans

7,078

Male Veterans

680

Female Veterans

War
Veterans
Vietnam2,758
Second Gulf War1,666
First Gulf War1,475
Korea428
World War II48

Marathon County, Wisconsin Veterans by War

count

Age Group
Veterans
75+2,260
65 to 741,985
35 to 541,738
55 to 641,230
18 to 34545

Marathon County, Wisconsin Veterans by Age

count

Name
Veterans
% of Total
White7,2727.49%
Asian2094.17%
2+ Races1836.84%
Black7613.84%
Hispanic542.22%
Other Race100.85%
Native American83.98%

Marathon County, Wisconsin Veterans by Race

Marathon County, Wisconsin Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.88%

Veteran Poverty Rate

28.92%

Veteran Disability Rate

Marathon County, Wisconsin Veterans by Education

LaborForceParticipation

67%

Labor Force Participation

64.9%

Employment Rate

3.1%

Unemployment Rate

Marathon County, Wisconsin Employment by Age

LaborForceParticipation

Marathon County, Wisconsin Employment by Race

LaborForceParticipation

Marathon County, Wisconsin Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

78.19%

Born in Marathon County, Wisconsin

95.73%

Native Born

4.27%

Foreign Born

1.82%

Non Citizen

2.44%

Naturalized

Place of Birth

95.73% of Marathon County, Wisconsin residents were born in the United States, with 78.19% having been born in Wisconsin. 1.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Marathon County, Wisconsin Place of Birth

Sources