Janesville, Iowa Population 2022

1,004
map placeholder

Janesville is a city located in Bremer County Iowa. Janesville has a 2020 population of 1,004. Janesville is currently growing at a rate of 0.60% annually and its population has increased by 7.73% since the most recent census, which recorded a population of 932 in 2010.

The average household income in Janesville is $73,152 with a poverty rate of 4.21%. The median rental costs in recent years comes to $625 per month, and the median house value is $167,200. The median age in Janesville is 37.7 years, 37.8 years for males, and 37.6 years for females.

Janesville Demographics

According to the most recent ACS, the racial composition of Janesvillewas:

  • White: 100.00%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of Janesville, Iowa is 1,004 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 1,004.The last official US Census in 2010 recorded the population at 932.

Janesville, Iowa Population 2022

Population by Race

Loading...

Janesville Population by Race

Janesville Population Pyramid $2022

Loading...

Janesville Median Age

37.7


Total

37.8


Male

37.6


Female

Janesville Adults

There are 716 adults, (201 of whom are seniors) in Janesville.

Janesville Age Dependency

Age Dependency Ratio

39

Old Age Dependency Ratio

51.5

Child Dependency Ratio

Janesville Sex Ratio

Female

481

49.03%

Male

500

50.97%

Janesville Population by Age

Janesville Renter vs Owner Occupied by Household Type

map placeholder

Janesville Household Types

Type Owner Renter
Female66.7%33.3%
Non Family80.1%19.9%
All85.6%14.4%
Married89.8%10.2%
Male100%0%

85.6%

Rate of Home Ownership

Janesville Households and Families

Type Count Average Size Owned
All4182.3585.6
Married2443.189.8
Non Family1561.0880.1
Female122.566.7
Male64.33100

3.03

Average Family Size

2.35

Average Household Size

Loading...

Janesville Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade60.88%
9th to 12th Grade263.80%
High School Graduate27940.73%
Some College10715.62%
Associates Degree11016.06%
Bachelors Degree15122.04%
Graduate Degree60.88%
Loading...

Janesville Educational Attainment by Sex (over 25)

Janesville Educational Attainment by Race

Loading...

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

The highest rate of bachelors degrees is among hispanic people with a rate of 50.00%.

Janesville Educational Attainment by Race

Loading...
Name Average Male Female
Overall$42,941$54,792$31,532
Less Than 9th Grade$$$
High School Graduate$40,781$50,417$
Some College$45,833$52,500$35,625
Bachelors Degree$46,071$66,406$31,776
Graduate Degree$$$

$42,941

Average Earnings

$54,792

Average Male

$31,532

Average Female

Janesville Earnings by Educational Attainment

Janesville Language by Age

Loading...

Janesville Language

97.04% of Janesville residents speak only English, while 2.96% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.96% of the population.

Janesville Language

Janesville Poverty by Race

Loading...

4.21%

Overall Poverty Rate

6.05%

Male Poverty Rate

2.30%

Female Poverty Rate

Poverty in Janesville

The race most likely to be in poverty in Janesville is White, with 4.33% below the poverty level.

The race least likely to be in poverty in Janesville is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.74%. Among those working part-time, it was 4.79%, and for those that did not work, the poverty rate was 14.21%.

Janesville Poverty

Loading...
Name Poverty
High School9.68%
Bachelors or Greater1.91%
Some College1.84%
Less Than 9th Grade0.00%

Janesville Poverty Rate by Education

Loading...
Rate Poverty
Female Employed3.13%
Female Unemployed0.00%
Male Unemployed0.00%
Male Employed0.00%

Janesville Poverty Rate by Employment Status and Sex

Janesville Income by Household Type

Loading...
Name Median Mean
Households$63,750$73,152
Families$95,000$93,646
Married Families$97,500-
Non Families$33,333$36,171
Loading...

Income by Household Type

Janesville Marital Status

map placeholder

Marriage Rates

65.9%

Overall Marriage Rate

63.1%

Male Marriage Rate

69.0%

Female Marriage Rate

Janesville Married by Age and Sex

Loading...

Janesville Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Janesville Marital Status by Race

map placeholder

Janesville Marital Status

Loading...

83

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Vietnam39
Second Gulf War23
First Gulf War11
World War II
Korea

Janesville Veterans by War

Loading...
Age Group Veterans
65 to 7439
35 to 5419
75+12
18 to 3410
55 to 643

Janesville Veterans by Age

Loading...

Janesville Veterans by Race

Janesville Veterans by Education

Loading...

12.05%

Veteran Poverty Rate

13.25%

Veteran Disability Rate

Janesville Veterans by Education

Loading...

71.8%

Labor Force Participation

69.9%

Employment Rate

2.6%

Unemployment Rate

Janesville Employment by Age

Loading...

Janesville Employment by Race

Loading...

Janesville Employment by Education

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

87.26%

Born in Janesville

98.78%

Native Born

1.22%

Foreign Born

1.22%

Non Citizen

0.00%

Naturalized

Place of Birth

98.78% of Janesville residents were born in the United States, with 87.26% having been born in Iowa. 1.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Janesville Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
20221,00460.60%
202199860.60%
202099260.61%
201998660.61%
201898050.51%
201797530.31%
201697230.31%
201596970.73%
2014962181.91%
201394440.43%
201294090.97%
2011931-1-0.11%
20109320.00%

Janesville Population by Year