US Census Data

Waterloo

In Monroe County, Illinois.

Population
11,055
+6.6%’19–’23
Median household income
$92,005
+35.9%’19–’23
Median home value
$237,900
+23.8%’19–’23

Located in Monroe County, Illinois, Waterloo is a community with a population of 11,055. The median household income of $92,005 is below the Monroe County median ($101,635).

Between 2019 and 2023, Waterloo's population grew 6.6% from 10,367 to 11,055, while its median home value rose 23.8% from $192,100 to $237,900.

The typical home was built around 1991. 5.5% of residents live below the poverty line.

Demographics

ACS 2019–2023
Population
11,055
Median age
40.2 yrs
Median household income
$92,005
Median home value
$237,900
Median gross rent
$873
Housing units
4,651
Homeownership rate
76.9%
Bachelor's degree or higher
36.4%
Unemployment rate
3.4%

Trends

ACS 5-year · 2019–2023
Population
10,36711,055
Median household income
$67,682$92,005
Median home value
$192,100$237,900
Median gross rent
$830$873
YearPopulationMedian household incomeMedian home valueMedian gross rent
201910,367$67,682$192,100$830
202010,417$71,207$204,400$766
202110,906$79,107$207,400$816
202211,012$88,019$227,600$849
202311,055$92,005$237,900$873

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 56015.4%
5 to 171,80916.4%
18 to 249448.5%
25 to 341,22811.1%
35 to 441,81516.4%
45 to 549818.9%
55 to 641,45213.1%
65 to 741,37012.4%
75 and over8557.7%

Race & ethnicity

CountShare
White (non-Hispanic)10,54995.4%
Black or African American900.8%
American Indian & Alaska Native160.1%
Asian1231.1%
Native Hawaiian & Pacific Islander00.0%
Some other race00.0%
Two or more races850.8%
Hispanic or Latino (any race)1921.7%

Educational attainment (age 25+)

CountShare
No high school diploma2913.8%
High school graduate1,72422.4%
Some college or associate's2,88137.4%
Bachelor's degree1,81723.6%
Graduate or professional degree98812.8%

Commute to work

Mean travel time to work
27 min

How workers get to work

CountShare
Drove alone4,35876.8%
Carpooled4337.6%
Public transit10.0%
Walked821.4%
Bicycle00.0%
Worked from home65911.6%
Other means1442.5%

Travel time

CountShare
Under 15 min1,59931.9%
15 to 29 min96919.3%
30 to 44 min1,44828.9%
45 to 59 min61112.2%
60+ min3917.8%

Households

Average household size
2.47
Poverty rate
5.5% (591 of 10,807)
CountShare
Family households2,98467.9%
Nonfamily households1,41132.1%

Housing

Median year structure built
1991

Occupancy

CountShare
Occupied4,39594.5%
Vacant2565.5%

Tenure (of occupied units)

CountShare
Owner-occupied3,38176.9%
Renter-occupied1,01423.1%

Units in structure

CountShare
1-unit, detached3,50775.4%
1-unit, attached2034.4%
2 to 4 units3647.8%
5 to 19 units4439.5%
20 or more units1342.9%
Mobile home & other00.0%

Geography

Place GEOID
1779150
Type (LSAD)
25
Land area
8.29 sq mi
Water area
0.13 sq mi
Center point
38.3412, -90.1527

Compare with nearby cities

5

Illinois rankings

21

Other places in Monroe County

5