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CITY · 2020 ACS

Janesville

Iowa · 1,034 residents · 1.39 sq mi
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The short version

Janesville has roughly average household income, with a median household income of $72,500. Population has grown 25% since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has more than doubled since 2000, reaching $170,800. Poverty is rare here, at 3.0% of residents.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.5
US median: 38.8
Less educated
21% hold a bachelor's degree
US average: 33%
Less affordable
home values up 52%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
1,034
+25%since 2000
from 829 in 2000
1990 – 2025
Population density
744 / sq mi
+25%since 2000
from 596 / sq mi in 2000
US average: 280
Median age
42.5
+10%since 2000
from 38.6 in 2000
US average: 38.8
Population, 1990 – 2024
7688499291K1K1990201020202024Janesville
2024917
1990201020202024
Section 02

Income & economy

Median household income
$72,500
+20%inflation adjusted, since 2000
from $40,060 in 2000
US average: $66,278
1990 – 2024
Per capita income
$33,945
+80%since 2000
from $18,878 in 2000
US average: $35,364
Households earning $100K+
49.3%
+24.2 ptssince 2009
from 25.2% in 2009
US average: 43.9%
Poverty rate
3.0%
−0.6 ptssince 2000
from 3.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade31.5%
US avg: 10%
Information11.6%
US avg: 11.1%
Other services11.4%
US avg: 6.6%
Public administration10.9%
US avg: 4.7%
Wholesale trade6.4%
US avg: 6.7%
Finance & insurance2.7%
US avg: 5.5%
Professional, scientific, technical2.7%
US avg: 4.7%
Transportation & warehousing2.3%
US avg: 2.5%
Arts, entertainment, food1.7%
US avg: 2%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$170,800
+52%inflation adjusted, since 2000
from $74,900 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$536
Unchangedinflation adjusted, since 2000
from $358 in 2000
US average: $1,124
Owner-occupied
82.6%
+2.9 ptssince 2000
from 79.7% in 2000
17.4% rent
Afford Score
2.4
+26%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)
2020
White, non-Hispanic95.9%(992)
Black0%(0)
Hispanic / Latino1.2%(12)
Asian0.5%(5)
Other0%(0)
Diversity Score4.2%(43)
Diversity Score
4
+176%since 2000
from 2 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
20.7%
+10.6 ptssince 2000
from 10.1% in 2000
US average: 32.9%
High school or higher
95.3%
+12.5 ptssince 2000
from 82.8% in 2000
US average: 88.5%
Graduate degree
0.8%
−2.7 ptssince 2000
from 3.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
20.9 min
+61%since 2000
from 13.0 min in 2000
US average: 26.9
Drive alone to work
85.2%
−0.3 ptssince 2009
from 85.5% in 2009
US average: 75.1%
No vehicle available
6.3%
+5.4 ptssince 2009
from 0.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
1.5%
−1.1 ptssince 2011
from 2.6% in 2011
US average: 5.4%
Labor force participation
72.6%
+3.0 ptssince 2011
from 69.7% in 2011
US average: 63.4%
Management & professional
24.0%
−36.2 ptssince 2009
from 60.2% in 2009
US average: 39.3%
Section 08

People & community

Male
51.5%
−1.6 ptssince 2009
from 53.1% in 2009
Female
48.5%
+1.6 ptssince 2009
from 46.9% in 2009
Foreign born
0.7%
+0.3 ptssince 2009
from 0.3% in 2009
US average: 13.5%
Uninsured
1.1%
−93.4 ptssince 2013
from 94.5% in 2013
US average: 8.8%
Drill deeper

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Compare Janesville to nearby cities

JANESVILLE VS
Waverly
Income$80,284+11%
Home value$223,300+31%
Population10,561+904%
SEE FULL COMPARISON →
JANESVILLE VS
Cedar Falls
Income$76,987+6%
Home value$263,600+54%
Population41,240+3820%
SEE FULL COMPARISON →
JANESVILLE VS
Waterloo
Income$57,480−21%
Home value$152,600−11%
Population66,919+6261%
SEE FULL COMPARISON →
JANESVILLE VS
Marshalltown
Income$69,068−5%
Home value$127,700−25%
Population27,536+2517%
SEE FULL COMPARISON →
Frequently asked

How many people live in Janesville, Iowa?

Janesville, Iowa has about 1,034 residents according to the 2020 American Community Survey.

What is the median household income in Janesville, Iowa?

The typical household in Janesville, Iowa earns about $72,500 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 $170,800, and the typical rent is about $536 a month.

How educated are people in Janesville, Iowa?

About 20.7% 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 3.0% 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 213 residents, a change of about 26 percent over that period.

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

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