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CITY · 2010 ACS

Janesville

Iowa · 930 residents · 1.39 sq mi
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The short version

Janesville has roughly average household income, with a median household income of $50,313. Population has held roughly steady since 2000. Median home value is $112,300. Poverty is rare here, at 1.4% of residents.

At a glance
Average income
near the US median
US median: $52,703
Older
median age 40.2
US median: 37.2
Less educated
22% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
930
+12%since 2000
from 829 in 2000
1990 – 2025
Population density
669 / sq mi
+12%since 2000
from 596 / sq mi in 2000
US average: 261
Median age
40.2
+4%since 2000
from 38.6 in 2000
US average: 37.2
Population, 1990 – 2024
7688499291K1K1990201020202024Janesville
2024917
1990201020202024
Section 02

Income & economy

Median household income
$50,313
−1%inflation adjusted, since 2000
from $40,060 in 2000
US average: $52,703
1990 – 2024
Per capita income
$24,671
+31%since 2000
from $18,878 in 2000
US average: $27,286
Households earning $100K+
27.0%
+1.9 ptssince 2009
from 25.2% in 2009
US average: 33.3%
Poverty rate
1.4%
−2.1 ptssince 2000
from 3.5% in 2000
US average: 13.8%
Income inequality (Gini)
0.339
US average: 0.461
Workforce by industry, 2010
Retail trade23.4%
US avg: 10.9%
Information18.1%
US avg: 11.5%
Other services6.6%
US avg: 7%
Finance & insurance5.1%
US avg: 5.1%
Public administration4.3%
US avg: 4.9%
Wholesale trade4.2%
US avg: 7.2%
Professional, scientific, technical3.8%
US avg: 4.2%
Agriculture, forestry, fishing2.8%
US avg: 1.9%
Construction2.8%
US avg: 1.4%
Education & health services1.3%
US avg: 0.9%
Transportation & warehousing0.8%
US avg: 3.1%
Manufacturing0%
US avg: 0.5%
Arts, entertainment, food0%
US avg: 2.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$112,300
+18%inflation adjusted, since 2000
from $74,900 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$431
−5%inflation adjusted, since 2000
from $358 in 2000
US average: $853
Owner-occupied
53.5%
−26.1 ptssince 2000
from 79.7% in 2000
18.6% rent
Vacancy rate
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 12.1%
Owner cost-burdened
14.2%
−1.1 ptssince 2009
from 15.3% in 2009
US average: 30.9%
Renter cost-burdened
12.5%
−6.2 ptssince 2009
from 18.7% in 2009
US average: 46.8%
Afford Score
2.2
+19%since 2000
from 1.9 in 2000
1990 – 2024
RELATED:See current rent listings in Janesville on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic99.2%(822)
Black0%(0)
Hispanic / Latino0.2%(2)
Asian0.4%(3)
Other0%
Diversity Score1.5%(12)
2010
White, non-Hispanic98.1%(912)
Black0.6%(6)
Hispanic / Latino0.3%(3)
Asian0.2%(2)
Other1.4%(13)
Diversity Score6.3%(58)
Diversity Score
6
+316%since 2000
from 2 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
22.4%
+12.3 ptssince 2000
from 10.1% in 2000
US average: 27.9%
High school or higher
91.2%
+8.4 ptssince 2000
from 82.8% in 2000
US average: 84.9%
Graduate degree
4.6%
+1.1 ptssince 2000
from 3.5% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
16.9 min
+30%since 2000
from 13.0 min in 2000
US average: 25.2
Drive alone to work
87.1%
+1.6 ptssince 2009
from 85.5% in 2009
US average: 76.2%
Carpooled to work
9.2%
−3.3 ptssince 2009
from 12.4% in 2009
US average: 10.4%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
Worked from home
2.9%
+0.9 ptssince 2009
from 2.0% in 2009
US average: 4.1%
Walked to work
0.8%
+0.8 ptssince 2009
from 0.0% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
1.7%
+0.8 ptssince 2009
from 0.9% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
12.3%
+3.9 ptssince 2009
from 8.4% in 2009
US average: 12.9%
Management & professional
27.6%
−32.6 ptssince 2009
from 60.2% in 2009
US average: 35.2%
Section 08

People & community

Male
53.4%
+0.3 ptssince 2009
from 53.1% in 2009
Female
46.6%
−0.3 ptssince 2009
from 46.9% in 2009
Foreign born
0.3%
Unchangedsince 2009
from 0.3% in 2009
US average: 12.8%
Veterans
12.6%
−40.0 ptssince 2009
from 52.6% in 2009
US average: 9.9%
Drill deeper

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Compare Janesville to nearby cities

JANESVILLE VS
Waverly
Income$80,284+60%
Home value$223,300+99%
Population10,561+904%
SEE FULL COMPARISON →
JANESVILLE VS
Cedar Falls
Income$76,987+53%
Home value$263,600+135%
Population41,240+3820%
SEE FULL COMPARISON →
JANESVILLE VS
Waterloo
Income$57,480+14%
Home value$152,600+36%
Population66,919+6261%
SEE FULL COMPARISON →
JANESVILLE VS
Marshalltown
Income$69,068+37%
Home value$127,700+14%
Population27,536+2517%
SEE FULL COMPARISON →
Frequently asked

How many people live in Janesville, Iowa?

Janesville, Iowa has about 930 residents according to the 2010 American Community Survey.

What is the median household income in Janesville, Iowa?

The typical household in Janesville, Iowa earns about $50,313 a year. Half of households make more than that, and half make less.

Is Janesville, Iowa expensive?

In Janesville, Iowa, the median home is worth about $112,300, and the typical rent is about $431 a month.

How educated are people in Janesville, Iowa?

About 22.4% of adults age 25 and over in Janesville, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Janesville, Iowa?

About 1.4% of people in Janesville, Iowa live below the federal poverty line.

Has Janesville, Iowa grown since 1990?

Yes, Janesville, Iowa has grown since 1990. The population has added about 109 residents, a change of about 13 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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