Jefferson County, Wisconsin Population 2018

Jefferson County, Wisconsin's estimated population is 84,832 with a growth rate of 0.35% in the past year according to the most recent United States census data. Jefferson County, Wisconsin is the 20th largest county in Wisconsin.

Year Population Growth Growth Rate
201784,8322940.35%
201684,538-7-0.01%
201684,545200.02%
201584,5251300.15%
201484,395-240-0.28%
201384,6352680.32%
201284,3675290.63%
201183,8381260.15%
201083,71215,92923.50%
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%
18409140.00%

Jefferson County, Wisconsin Population Growth

Population Data via

Population by Race

Race Population
White79,778
Some Other Race1,701
Two or More Races1,620
Black or African American701
Asian601
American Indian and Alaska Native116
Native Hawaiian and Other Pacific Islander21

Race Data via US Census (2016 ACS 5-Year Survey)

Jefferson County, Wisconsin Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Jefferson County, Wisconsin Median Age

39.5


Total

38.7


Male

40.4


Female

Jefferson County, Wisconsin Adults

There are 65,686 adults, (12,596 of which are seniors) in Jefferson County, Wisconsin.

Jefferson County, Wisconsin Age Dependency

59.3

Age Dependency Ratio

23.7

Old Age Dependency Ratio

35.6

Child Dependency Ratio

Jefferson County, Wisconsin Sex Ratio

Female

42,326

50.07%

Male

42,212

49.93%

Jefferson County, Wisconsin Households and Families

Jefferson County, Wisconsin Renter vs Owner Occupied by Household Type

Jefferson County, Wisconsin Household Types

Type Owner Renter
Married85.5%14.5%
All70.2%29.8%
Non Family53.4%46.6%
Male53.4%46.6%
Female43.2%56.8%

70.2%

Rate of Home Ownership

Jefferson County, Wisconsin Households by Type

Type Count Average Size Owned
All32,3662.570.2
Married17,7623.0485.5
Non Family10,3191.353.4
Female2,7713.1343.2
Male1,5143.1953.4

2.97

Average Family Size

2.5

Average Household Size

7%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Jefferson County, Wisconsin Households

Jefferson County, Wisconsin Education

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

Education Attained Count Percentage
Less Than 9th Grade2,0093.52%
9th to 12th Grade3,0595.36%
High School Graduate20,38535.69%
Some College12,13821.25%
Associates Degree6,12110.72%
Bachelors Degree9,38816.44%
Graduate Degree4,0187.03%

Jefferson County, Wisconsin Educational Attainment by Race

Name Total High School Bachelors
White53,32149,50312,992
Hispanic2,7191,642194
Other Race85051820
Multiple Races47443570
Asian335299118
Black26918924
Native American1088421
Islander21

The highest rate of high school graduation is among white people with a rate of 92.84%.

The highest rate of bachelors degrees is among white people with a rate of 35.22%.

Jefferson County, Wisconsin Earnings by Educational Attainment

Name Average Male Female
Overall$36,302$42,224$30,160
Less Than High School$21,575$23,598$20,753
High School Grad$31,473$37,498$24,794
Some College$37,485$46,229$30,126
Bachelors Degree$44,084$57,206$37,572
Graduate Degree$55,640$62,714$51,452

$36,302

Average Earnings

$42,224

Average Male

$30,160

Average Female

Jefferson County, Wisconsin Language

Jefferson County, Wisconsin Language by Age

Jefferson County, Wisconsin Language

93.08% of Jefferson County, Wisconsin residents speak only English, while 6.92% speak other languages. The largest non-English language is Spanish, which is spoken by 5.26% of the population.

Jefferson County, Wisconsin Poverty

Jefferson County, Wisconsin Poverty by Race

Name Total In Poverty Poverty Rate
White73,4036,2478.51%
Hispanic5,4851,42726.02%
Multiple1,44230721.29%
Black52119136.66%
Asian54618533.88%
Other1,6571478.87%
Native9799.28%

10.29%

Overall Poverty Rate

9.62%

Male Poverty Rate

10.95%

Female Poverty Rate

Poverty in Jefferson County, Wisconsin

The race most likely to be in poverty in Jefferson County, Wisconsin is Black, with 36.66% below the poverty level.

The race least likely to be in poverty in Jefferson County, Wisconsin is White, with 8.51% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.89%. Among those working part-time, it was 14.40%, and for those that did not work, the poverty rate was 17.69%.

Jefferson County, Wisconsin Poverty Rate by Education

Name Poverty
Less Than High School19.83%
High School9.68%
Some College7.63%
Bachelors or Greater3.55%

Jefferson County, Wisconsin Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed34.42%
Male Unemployed27.51%
Male Employed5.63%
Female Employed5.53%

Jefferson County, Wisconsin Income

Jefferson County, Wisconsin Income by Household Type

Name Median Mean
Households$57,290$69,418
Families$70,998$80,184
Married Families$79,730$88,383
Non Families$32,565$43,233

Jefferson County, Wisconsin Marital Status

Jefferson County, Wisconsin Marital Status

Marriage Rates

53.8%

Overall Marriage Rate

54.5%

Male Marriage Rate

53.0%

Female Marriage Rate

Jefferson County, Wisconsin Married by Age and Sex

Jefferson County, Wisconsin Marriage

The age group where males are most likely to be married is 55To64, while the female age group most likely to be married is 55To64.

Jefferson County, Wisconsin Marital Status by Race

Jefferson County, Wisconsin Veterans

Jefferson County, Wisconsin Veterans by War

5,651

Number of Veterans

5,306

Male Veterans

345

Female Veterans

Name Veterans
Vietnam2,242
First Gulf War954
Second Gulf War753
Korea537
World War II285

Jefferson County, Wisconsin Veterans by Age

Name Veterans
65 to 741,527
75+1,282
35 to 541,229
55 to 641,148
18 to 34465

Jefferson County, Wisconsin Veterans by Race

Name Veterans % of Total
White5,4928.78%
Hispanic732.11%
2 or More537.10%
Asian388.09%
Black387.14%
Other242.05%
Indian65.31%

Jefferson County, Wisconsin Veterans by Education

6.17%

Veteran Poverty Rate

22.23%

Veteran Disability Rate

Jefferson County, Wisconsin Employment Status

Jefferson County, Wisconsin Employment by Age

69%

Labor Force Participation

65.8%

Employment Rate

4.7%

Unemployment Rate

Jefferson County, Wisconsin Employment by Race

Jefferson County, Wisconsin Employment by Education

Population of Cities in Jefferson County, Wisconsin

City 2010 Census 2016 Estimated Growth Growth Rate
Watertown 2385523817-38-0.16%
Whitewater 14390145171270.88%
Fort Atkinson12397125411441.16%
Jefferson79738024510.64%
Lake Mills570758361292.26%
Waterloo3333333300.00%
Johnson Creek272929392107.70%
Palmyra17841770-14-0.78%
Cambridge 14511509584.00%
Sullivan66766810.15%
Lac La Belle 28629593.15%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990