Janesville, Wisconsin Population 2020

65,149

Janesville is a city located in Rock County, Wisconsin. With a 2020 population of 65,149, it is the 10th largest city in Wisconsin and the 588th largest city in the United States. Janesville is currently growing at a rate of 0.45% annually and its population has increased by 2.48% since the most recent census, which recorded a population of 63,575 in 2010. Spanning over 35 miles, Janesville has a population density of 1,913 people per square mile.

The average household income in Janesville is $69,064 with a poverty rate of 12.70%. The median rental costs in recent years comes to $816 per month, and the median house value is $136,300. The median age in Janesville is 39 years, 37.3 years for males, and 41.4 years for females. For every 100 females there are 94.2 males.

Janesville Wi Demographics

According to the most recent ACS, the racial composition of Janesville Wi was:

  • White: 91.71%
  • Two or more races: 2.88%
  • Black or African American: 2.13%
  • Asian: 1.60%
  • Other race: 1.44%
  • Native American: 0.24%
  • Native Hawaiian or Pacific Islander: 0.01%
The current population of Janesville, Wisconsin is 65,149, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 64,565. The last official US Census in 2010 recorded the population at 63,575.
Year Total Population Growth Annual Growth Rate
2020164,7478090.49%
2019163,9388090.49%
2018163,1298090.50%
2017162,3209260.57%
2016161,3943420.21%
2015161,0521020.06%
2014160,9505950.37%
2013160,3552900.18%
2012160,0652010.13%
2011159,864-408-0.26%
2010160,2720.00%

Population by Race

Race Population Percentage
White58,81191.71%
Two or More Races1,8442.88%
Black or African American1,3642.13%
Asian1,0241.60%
Some Other Race9261.44%
American Indian and Alaska Native1530.24%
Native Hawaiian and Other Pacific Islander60.01%

Janesville Wi Population Pyramid 2020

Janesville Wi Median Age

39


Total

37.3


Male

41.4


Female

Janesville Wi Adults

There are 49,180 adults, (10,228 of whom are seniors) in Janesville Wi.

Janesville Wi Age Dependency

64.6

Age Dependency Ratio

26.3

Old Age Dependency Ratio

38.4

Child Dependency Ratio

Janesville Wi Sex Ratio

Female

33,026

51.50%

Male

31,102

48.50%

Janesville Wi Households and Families

Janesville Wi Renter vs Owner Occupied by Household Type

Janesville Wi Household Types

Type Owner Renter
Married85.6%14.4%
All65.9%34.1%
Male62.9%37.1%
Non Family52.4%47.6%
Female37.9%62.1%

65.9%

Rate of Home Ownership

Type Count Average Size Owned
All26,4052.3965.9
Married11,8683.0385.6
Non Family9,8971.2552.4
Female3,4063.0637.9
Male1,2343.5762.9

2.95

Average Family Size

2.39

Average Household Size

8%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Janesville Wi Education

Education Attained Count Percentage
Less Than 9th Grade9742.21%
9th to 12th Grade2,3225.27%
High School Graduate15,38534.89%
Some College9,59221.75%
Associates Degree5,24911.90%
Bachelors Degree7,17916.28%
Graduate Degree3,3997.71%

Janesville Wi Educational Attainment by Race

Name Total High School Bachelors
White40,52837,9839,936
Hispanic1,6261,109155
Black699582134
Asian607527224
Other Race58132959
Multiple Races547515109
Native American11811341
Islander66

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 36.90%.

Name Average Male Female
Overall$36,625$45,114$29,958
Less Than High School$26,403$33,419$19,219
High School Grad$28,663$36,545$21,883
Some College$36,204$45,923$29,245
Bachelors Degree$50,439$63,234$37,447
Graduate Degree$63,574$67,535$62,025

$36,625

Average Earnings

$45,114

Average Male

$29,958

Average Female

Janesville Wi Language

Janesville Wi Language by Age

Janesville Wi Language

94.51% of Janesville Wi residents speak only English, while 5.49% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.86% of the population.

Janesville Wi Poverty

Janesville Wi Poverty by Race

Name Total In Poverty Poverty Rate
White55,7105,88510.56%
Multiple1,75873441.75%
Hispanic3,40573121.47%
Black1,25254643.61%
Asian1,02414113.77%
Other91113414.71%
Native1537146.41%

12.70%

Overall Poverty Rate

11.26%

Male Poverty Rate

14.04%

Female Poverty Rate

Poverty in Janesville Wi

The race most likely to be in poverty in Janesville Wi is Native, with 46.41% below the poverty level.

The race least likely to be in poverty in Janesville Wi is White, with 10.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.36%. Among those working part-time, it was 16.78%, and for those that did not work, the poverty rate was 17.28%.

Name Poverty
Less Than High School24.16%
High School12.80%
Some College7.88%
Bachelors or Greater3.65%
Name Poverty
Female Unemployed36.22%
Male Unemployed33.61%
Female Employed9.09%
Male Employed5.70%

Janesville Wi Income

Janesville Wi Income by Household Type

Name Median Mean
Households$54,573$69,064
Families$69,006$81,592
Married Families$82,190-
Non Families$34,347$44,361

Janesville Wi Marital Status

Janesville Wi Marital Status

Marriage Rates

47.5%

Overall Marriage Rate

49.6%

Male Marriage Rate

45.6%

Female Marriage Rate

Janesville Wi Married by Age and Sex

Janesville Wi 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 35-44.

Janesville Wi Marital Status by Race

Janesville Wi Veterans

4,428

Number of Veterans

4,054

Male Veterans

374

Female Veterans

War Veterans
Vietnam1,460
Second Gulf War699
First Gulf War698
Korea405
World War II143
Name Veterans % of Total
White4,3239.41%
Black778.89%
Hispanic532.47%
2 or More284.05%

$Janesville Wi Veterans by Education

7.29%

Veteran Poverty Rate

27.06%

Veteran Disability Rate

Janesville Wi Employment Status

66.6%

Labor Force Participation

63.5%

Employment Rate

4.6%

Unemployment Rate

Janesville Wi Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

73.39%

Born in Wisconsin

96.66%

Native Born

3.34%

Foreign Born

1.67%

Non Citizen

Place of Birth

96.66% of Janesville Wi residents were born in the United States, with 73.39% having been born in Wisconsin. 1.67% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202065,1492920.45%
201964,8572920.45%
201864,5652440.38%
201764,3212920.46%
201664,0291540.24%
201563,875340.05%
201463,8411860.29%
201363,6551720.27%
201263,483690.11%
201163,414-187-0.29%
201063,6014,1030.67%
200059,4987,3651.33%
199052,1331,0620.21%
198051,0714,6450.96%
197046,42611,2622.82%
196035,16410,2653.51%
195024,8991,9070.80%
194022,9921,3640.61%
193021,6283,3351.69%
192018,2934,3992.79%
191013,8947090.53%
190013,1852,3491.98%
189010,8361,8181.85%
18809,0182290.26%
18708,7891,0861.33%
18607,7030.00%