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Waterloo, IL Demographics & ZIP Codes
Waterloo, Illinois demographics and median household income by ZIP code (in Monroe County) — 1 ZIP codes — population 17,907 — median income $94,073 — avg. home value $263,200. Compare income, housing, and population across ZIP codes on US5.
Population
17,907
Median household income (avg.)
$94,073
125% of U.S. median
Average home value
$263,200
76% of U.S. median
Average rent
$744
64% of U.S. median
Median age (avg.)
43.6
Waterloo demographics
Waterloo, Illinois covers 1 ZIP code primarily in Monroe County, with a combined ZIP-area population of about 17,907.
Across ZIP codes with age data, the average median age is about 43.6 years.
Median household income in Waterloo
The average median household income across ZIP codes in Waterloo, Illinois is about $94,073 — about 20% above the IL ZIP average ($78,143), and about 25% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $94,073 in 62298.
Housing in Waterloo
For housing in Waterloo, Illinois, the average median home value is about $263,200 and the average median rent is about $744.
The most populous ZIP in this set is 62298 (about 17,907 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Waterloo
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62298 | Waterloo | Monroe County | IL | 17,907 | $94,073 | $263,200 |
Frequently asked questions
What are the demographics of Waterloo?
Waterloo, Illinois has a combined ZIP-area population of about 17,907 across 1 ZIP codes (primarily Monroe County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Waterloo?
The average median household income across ZIP codes in Waterloo, Illinois is about $94,073, about 20% above the state ZIP average ($78,143), and about 25% above the U.S. median ($75,149). Average median home value is about $263,200.
How many ZIP codes are in Waterloo?
Waterloo, Illinois includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Waterloo?
This page lists ZIP codes in Waterloo, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.