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CITY · 2020 ACS

Waterloo

Illinois · 11,013 residents · 8.234 sq mi
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The short version

Waterloo has roughly average household income, with a median household income of $71,207. Population has grown 45% since 2000. Median home value has risen by half since 2000, reaching $204,400. Poverty is rare here, at 3.1% of residents.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 41.9
US median: 38.8
Average education
33% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
11,013
+45%since 2000
from 7,614 in 2000
1990 – 2025
Population density
1,338 / sq mi
+45%since 2000
from 925 / sq mi in 2000
US average: 280
Median age
41.9
+15%since 2000
from 36.4 in 2000
US average: 38.8
Population, 1990 – 2024
4K6K8K10K12K1990201020202024Waterloo
202411K
1990201020202024
Section 02

Income & economy

Median household income
$71,207
+1%inflation adjusted, since 2000
from $46,938 in 2000
US average: $66,278
1990 – 2024
Per capita income
$35,376
+68%since 2000
from $21,081 in 2000
US average: $35,364
Households earning $100K+
46.3%
+4.1 ptssince 2009
from 42.2% in 2009
US average: 43.9%
Poverty rate
3.1%
−0.6 ptssince 2000
from 3.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services11.5%
US avg: 6.6%
Retail trade10.5%
US avg: 10%
Public administration9.9%
US avg: 4.7%
Information9.4%
US avg: 11.1%
Finance & insurance7%
US avg: 5.5%
Professional, scientific, technical5.7%
US avg: 4.7%
Wholesale trade4.3%
US avg: 6.7%
Agriculture, forestry, fishing3.4%
US avg: 1.7%
Construction2.9%
US avg: 1.2%
Education & health services1.4%
US avg: 0.8%
Arts, entertainment, food1.3%
US avg: 2%
Transportation & warehousing1%
US avg: 2.5%
Manufacturing0.4%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$204,400
+14%inflation adjusted, since 2000
from $118,800 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$766
−6%inflation adjusted, since 2000
from $543 in 2000
US average: $1,124
Owner-occupied
74.4%
+3.3 ptssince 2000
from 71.1% in 2000
25.6% rent
Afford Score
2.9
+13%since 2000
from 2.5 in 2000
1990 – 2024
RELATED:See current rent listings in Waterloo on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.4%(7,495)
Black0%(0)
Hispanic / Latino0.7%(52)
Asian0.3%(24)
Other0%
Diversity Score2.5%(190)
2020
White, non-Hispanic93.1%(10,251)
Black0.3%(29)
Hispanic / Latino2%(220)
Asian0.7%(73)
Other0.7%(77)
Diversity Score9.1%(1,005)
Diversity Score
9
+267%since 2000
from 2 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
33.0%
+13.7 ptssince 2000
from 19.3% in 2000
US average: 32.9%
High school or higher
96.0%
+10.6 ptssince 2000
from 85.4% in 2000
US average: 88.5%
Graduate degree
10.4%
+4.2 ptssince 2000
from 6.2% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
28.0 min
+33%since 2000
from 21.1 min in 2000
US average: 26.9
Drive alone to work
77.5%
−2.8 ptssince 2009
from 80.2% in 2009
US average: 75.1%
No vehicle available
6.2%
+1.8 ptssince 2009
from 4.4% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.5%
−0.6 ptssince 2011
from 4.1% in 2011
US average: 5.4%
Labor force participation
63.7%
−3.3 ptssince 2011
from 67.0% in 2011
US average: 63.4%
Management & professional
40.1%
−21.1 ptssince 2009
from 61.1% in 2009
US average: 39.3%
Section 08

People & community

Male
47.9%
−1.8 ptssince 2009
from 49.7% in 2009
Female
52.1%
+1.8 ptssince 2009
from 50.3% in 2009
Foreign born
1.6%
−0.6 ptssince 2009
from 2.2% in 2009
US average: 13.5%
Uninsured
2.6%
−89.1 ptssince 2013
from 91.7% in 2013
US average: 8.8%
Drill deeper

Places similar to Waterloo

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Compare Waterloo to nearby cities

WATERLOO VS
Columbia
Income$107,606+51%
Home value$293,000+43%
Population10,865−2%
SEE FULL COMPARISON →
WATERLOO VS
Oakville
Income$106,362+49%
Home value$318,600+56%
Population35,333+217%
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WATERLOO VS
Arnold
Income$78,370+10%
Home value$220,000+8%
Population20,994+89%
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WATERLOO VS
Mehlville
Income$67,071−6%
Home value$218,400+7%
Population29,805+168%
SEE FULL COMPARISON →
Frequently asked

How many people live in Waterloo, Illinois?

Waterloo, Illinois has about 11,013 residents according to the 2020 American Community Survey.

What is the median household income in Waterloo, Illinois?

The typical household in Waterloo, Illinois earns about $71,207 a year. Half of households make more than that, and half make less.

Is Waterloo, Illinois expensive?

In Waterloo, Illinois, the median home is worth about $204,400, and the typical rent is about $766 a month.

How educated are people in Waterloo, Illinois?

About 33.0% of adults age 25 and over in Waterloo, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Waterloo, Illinois?

About 3.1% of people in Waterloo, Illinois live below the federal poverty line.

Has Waterloo, Illinois grown since 1990?

Yes, Waterloo, Illinois has grown since 1990. The population has added about 5,941 residents, a change of about 117 percent over that period.

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

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