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CITY · 1990 CENSUS

Janesville

Iowa · 821 residents · 1.39 sq mi
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The short version

Janesville has lower-than-average household income, with a median household income of $26,538. Population has held roughly steady since 2000. 7% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $38,000.

At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 34.6
US median: 33.0
Less educated
7% hold a bachelor's degree
US average: 20%
More affordable
home values down 33%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

821
−1%vs 2000
vs 829 in 2000
1990 – 2025
591 / sq mi
−1%vs 2000
vs 596 / sq mi in 2000
US average: 221
34.6
−10%vs 2000
vs 38.6 in 2000
US average: 33.0
Population, 19902024
7688499291K1K1990201020202024Janesville
2024917
1990201020202024
Section 02

Income & economy

$26,538
−13%inflation adjusted, since 2000
vs $40,060 in 2000
US average: $30,130
1990 – 2024
$11,077
−41%vs 2000
vs $18,878 in 2000
US average: $14,340
9.8%
+6.3 ptsvs 2000
vs 3.5% in 2000
US average: 13.2%
Section 03

Housing

$38,000
−33%inflation adjusted, since 2000
vs $74,900 in 2000
US average: $93,722
1990 – 2024
$262
−4%inflation adjusted, since 2000
vs $358 in 2000
US average: $450
74.1%
−5.6 ptsvs 2000
vs 79.7% in 2000
25.9% rent
1.4
−23%vs 2000
vs 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)
1990
White, non-Hispanic100%(821)
Black0%(0)
Hispanic / Latino0.4%(3)
Asian0%(0)
Other0%(0)
Diversity Score0.9%(7)
1
−40%vs 2000
vs 2 in 2000
1990 – 2024
Section 05

Education

6.5%
−3.5 ptsvs 2000
vs 10.1% in 2000
US average: 20.3%
High school or higher
79.6%
−3.2 ptsvs 2000
vs 82.8% in 2000
US average: 75.2%
2.2%
−1.2 ptsvs 2000
vs 3.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

20.1 min
+54%vs 2000
vs 13.0 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Janesville, Iowa?

Janesville, Iowa has about 821 residents according to the 1990 Census.

What is the median household income in Janesville, Iowa?

The typical household in Janesville, Iowa earns about $26,538 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 $38,000, and the typical rent is about $262 a month.

How educated are people in Janesville, Iowa?

About 6.5% 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 9.8% of people in Janesville, Iowa live below the federal poverty line.

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

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