Jefferson County, Wisconsin Population 2024

85,760

Jefferson County, Wisconsin's estimated 2024 population is 85,760 with a growth rate of -0.01% in the past year according to the most recent United States census data. Jefferson County, Wisconsin is the 20th largest county in Wisconsin. The 2010 population was 83,727 and has seen a growth of 2.43% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202985,700-12-0.01%
202885,712-12-0.01%
202785,724-12-0.01%
202685,736-12-0.01%
202585,748-12-0.01%
202485,760-12-0.01%
202385,772-12-0.01%
202285,784-12-0.01%
202185,796-397-0.46%
202086,1931,3641.61%
201984,829-262-0.31%
201885,0913580.42%
201784,7332390.28%
201684,494-7-0.01%
201584,5011310.16%
201484,370-243-0.29%
201384,6132460.29%
201284,3675130.61%
201183,8541270.15%
201083,727
199067,7831,6312.47%
198066,1526,09210.14%
197060,0609,96619.89%
196050,0947,02516.31%
195043,0694,20110.81%
194038,8682,0835.66%
193036,7851,7635.03%
192035,0227162.09%
191034,306-483-1.39%
190034,7891,2593.75%
189033,5301,3744.27%
188032,156-1,884-5.53%
187034,0403,60211.83%
186030,43815,12198.72%
185015,31714,4031575.82%
1840914-84,786-98.93%
showing: 36 rows
2024 Growth Rate
-0.01% (-12)
County Website
Jefferson County
County Seat
2010 Population
83,727
Area
556 mi²
Density
154 people/mi²
Growth Since 2010
2.43% (2,033)
Founded
1839

Jefferson County, Wisconsin Population 2024

Population by Race

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Race
Population
Percentage (of total)
White78,42991.27%
Two or more races3,7654.38%
Other race2,0292.36%
Black or African American9941.16%
Asian4350.51%
Native American2550.3%
Native Hawaiian or Pacific Islander250.03%
showing: 7 rows

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Jefferson County, Wisconsin Population by Race

Jefferson County, Wisconsin Population Pyramid 2024

Jefferson County, Wisconsin Median Age

41.5

Total

41

Male

42.1

Female

Jefferson County, Wisconsin Adults

There are 68,593 adults, (15,142 of whom are seniors) in Jefferson County, Wisconsin.

Jefferson County, Wisconsin Age Dependency

60.8

Age Dependency Ratio

28.3

Old Age Dependency Ratio

32.4

Child Dependency Ratio

Jefferson County, Wisconsin Sex Ratio

Female42,52649.49%
Male43,40650.51%

Jefferson County, Wisconsin Population by Age

Jefferson County, Wisconsin Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All34,1022.4273.126.9
Married17,598387.612.4
Non Family12,2711.2357.942.1
Female2,7393.4655.544.5
Male1,4943.4759.840.2
showing: 5 rows

2.99

Average Family Size

2.42

Average Household Size

73.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Jefferson County, Wisconsin Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Jefferson County, Wisconsin Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 41.54%.

Jefferson County, Wisconsin Educational Attainment by Race

All

Male

Female

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$48,629

Average Earnings

$55,644

Average Male

$40,272

Average Female

Jefferson County, Wisconsin Earnings by Educational Attainment

Jefferson County, Wisconsin Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Jefferson County, Wisconsin Language

94.71% of Jefferson County, Wisconsin residents speak only English, while 5.29% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.89% of the population.

Jefferson County, Wisconsin Language

Jefferson County, Wisconsin Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White73,7125,2187.08%
Hispanic6,31380412.74%
Multiple3,66944512.13%
Other1,9771517.64%
Black68210114.81%
Native244135.33%
Asian40182%
showing: 7 rows

7.63%

Overall Poverty Rate

6.3%

Male Poverty Rate

8.98%

Female Poverty Rate

Poverty in Jefferson County, Wisconsin

The race most likely to be in poverty in Jefferson County, Wisconsin is Black, with 14.81% below the poverty level.

The race least likely to be in poverty in Jefferson County, Wisconsin is Asian, with 2% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.18%. Among those working part-time, it was 10.44%, and for those that did not work, the poverty rate was 14.7%.

Jefferson County, Wisconsin Poverty

rate

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Rate
Poverty
Less Than 9th Grade17.01%
High School8.73%
Some College5.13%
Bachelors or Greater1.89%
showing: 4 rows

Jefferson County, Wisconsin Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed25.63%
Female Unemployed13.15%
Female Employed5.26%
Male Employed2.3%
showing: 4 rows

Jefferson County, Wisconsin Poverty Rate by Employment Status and Sex

Jefferson County, Wisconsin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Jefferson County, Wisconsin Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.1%

Overall Marriage Rate

52.0%

Male Marriage Rate

50.3%

Female Marriage Rate

Jefferson County, Wisconsin Married by Age and Sex

male

female

Jefferson 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 45-54.

Jefferson County, Wisconsin Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Jefferson County, Wisconsin Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

4,601

Number of Veterans

4,121

Male Veterans

480

Female Veterans

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Jefferson County, Wisconsin Veterans by War

count

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Jefferson County, Wisconsin Veterans by Age

count

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Jefferson County, Wisconsin Veterans by Race

Jefferson County, Wisconsin Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.13%

Veteran Poverty Rate

22.68%

Veteran Disability Rate

Jefferson County, Wisconsin Veterans by Education

LaborForceParticipation

68.8%

Labor Force Participation

66.4%

Employment Rate

3.4%

Unemployment Rate

Jefferson County, Wisconsin Employment by Age

LaborForceParticipation

Jefferson County, Wisconsin Employment by Race

LaborForceParticipation

Jefferson 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

75.48%

Born in Jefferson County, Wisconsin

96.84%

Native Born

3.16%

Foreign Born

2.03%

Non Citizen

1.13%

Naturalized

Place of Birth

96.84% of Jefferson County, Wisconsin residents were born in the United States, with 75.48% having been born in Wisconsin. 2.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Jefferson County, Wisconsin Place of Birth

Sources