Jefferson County, Wisconsin Population 2024

85,761

Jefferson County, Wisconsin's estimated 2024 population is 85,761 with a growth rate of 0.02% 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

36 Rows

Year
Population
Growth
Change
202985,851180.02%
202885,833180.02%
202785,815180.02%
202685,797180.02%
202585,779180.02%
202485,761180.02%
202385,743180.02%
202285,725-57-0.07%
202185,782-426-0.49%
202086,2081,3791.63%
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%
201083,72700%
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%
1840914-84,937-98.94%
2024 Growth Rate
0.02% (18)
County Website
Jefferson County
County Seat
Jefferson
2020 Population
86,208
Area
556 mi²
Density
154 people/mi²
Growth Since 2020
-0.52% (-447)
Founded
1839

Population by Race

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%

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

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

Education Attained
Count
Percentage
9th to 12th Grade2,4344.09%
Associates Degree6,27210.54%
Bachelors Degree11,62119.54%
Graduate Degree4,9598.34%
High School Graduate19,43032.66%
Less Than 9th Grade1,8853.17%
Some College12,88421.66%

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

Race
Total
High School
Bachelors
White54,67551,49915,795
Hispanic3,1442,267376
2+ Races1,7511,468322
Other Race1,21371749
Asian34424677
Black32628039
Native American13010154
Islander18180

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

Name
Average
Male
Female
Bachelors Degree$58,354$70,917$49,290
Graduate Degree$71,615$81,875$67,064
High School Graduate$40,830$49,779$29,863
Less Than 9th Grade$39,632$41,912$35,330
Overall$48,629$55,644$40,272
Some College$47,645$58,202$38,550

$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

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

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

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

Jefferson County, Wisconsin Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed25.63%
Female Unemployed13.15%
Female Employed5.26%
Male Employed2.3%

Jefferson County, Wisconsin Poverty Rate by Employment Status and Sex

Jefferson County, Wisconsin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$95,883$111,093
Households$77,018$94,400
Married Families$108,089$121,943
Non Families$43,806$59,292

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

War
Veterans
Vietnam1,684
Second Gulf War956
First Gulf War780
Korea165
World War II25

Jefferson County, Wisconsin Veterans by War

count

Age Group
Veterans
65 to 741,318
75+1,137
35 to 541,012
55 to 64762
18 to 34372

Jefferson County, Wisconsin Veterans by Age

count

Name
Veterans
% of Total
White4,4550.07013318220459054
2+ Races1180.05370960400546199
Hispanic740.01863041289023162
Other Race160.010505581089954037
Native American110.043137254901960784
Black10.0016

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