CITY · 1990 CENSUS

Waterloo

Iowa · 66,467 residents · 61.595 sq mi

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The short version

Waterloo has lower-than-average household income, with a median household income of $23,578. Population has declined 3% since 2000. Median home value is $39,500.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 34.8

US median: 33.0

Less educated

14% hold a bachelor's degree

US average: 20%

More affordable

home values down 18%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

66,467

−3%vs 2000

vs 68,747 in 2000

1990 – 2025

Population density

1,079 / sq mi

−3%vs 2000

vs 1,116 / sq mi in 2000

US average: 221

Median age

34.8

−3%vs 2000

vs 35.9 in 2000

US average: 33.0

Population, 1990 – 2024

202467K

Section 02

Income & economy

Median household income

$23,578

−9%inflation adjusted, since 2000

vs $34,092 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,475

−33%vs 2000

vs $18,558 in 2000

US average: $14,340

Poverty rate

16.9%

+3.2 ptsvs 2000

vs 13.7% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$39,500

−18%inflation adjusted, since 2000

vs $63,800 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$326

−8%inflation adjusted, since 2000

vs $467 in 2000

US average: $450

Owner-occupied

65.4%

−1.7 ptsvs 2000

vs 67.1% in 2000

34.6% rent

Afford Score

1.7

−10%vs 2000

vs 1.9 in 2000

1990 – 2024

RELATED:See current rent listings in Waterloo on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic80.6%(55,419)

Black13.8%(9,468)

Hispanic / Latino2.6%(1,806)

Asian0.8%(581)

Other0%

Diversity Score37.6%(25,847)

1990

White, non-Hispanic86.8%(57,695)

Black12.2%(8,077)

Hispanic / Latino0.8%(503)

Asian0.6%(377)

Other0.5%(318)

Diversity Score30.4%(20,202)

Diversity Score

−19%vs 2000

vs 38 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

14.1%

−5.4 ptsvs 2000

vs 19.4% in 2000

US average: 20.3%

High school or higher

77.9%

−5.9 ptsvs 2000

vs 83.8% in 2000

US average: 75.2%

Graduate degree

4.3%

−2.8 ptsvs 2000

vs 7.1% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

14.3 min

+39%vs 2000

vs 10.3 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 Waterloo, Iowa?

Waterloo, Iowa has about 66,467 residents according to the 1990 Census.

What is the median household income in Waterloo, Iowa?

The typical household in Waterloo, Iowa earns about $23,578 a year. Half of households make more than that, and half make less.

Is Waterloo, Iowa expensive?

In Waterloo, Iowa, the median home is worth about $39,500, and the typical rent is about $326 a month.

How educated are people in Waterloo, Iowa?

About 14.1% of adults age 25 and over in Waterloo, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Waterloo, Iowa?

About 16.9% of people in Waterloo, Iowa live below the federal poverty line.

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

How we source and harmonize this data →