ZIP codes
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Ottawa, IL Demographics & ZIP Codes
Ottawa, Illinois demographics and median household income by ZIP code (in LaSalle County) — 1 ZIP codes — population 23,999 — median income $77,562 — avg. home value $157,100. Compare income, housing, and population across ZIP codes on US5.
Population
23,999
Median household income (avg.)
$77,562
103% of U.S. median
Average home value
$157,100
45% of U.S. median
Average rent
$770
66% of U.S. median
Median age (avg.)
42.3
Ottawa demographics
Ottawa, Illinois covers 1 ZIP code primarily in LaSalle County, with a combined ZIP-area population of about 23,999.
Across ZIP codes with age data, the average median age is about 42.3 years.
Median household income in Ottawa
The average median household income across ZIP codes in Ottawa, Illinois is about $77,562 — about even with the IL ZIP average ($78,143), and about 3% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $77,562 in 61350.
Housing in Ottawa
For housing in Ottawa, Illinois, the average median home value is about $157,100 and the average median rent is about $770.
The most populous ZIP in this set is 61350 (about 23,999 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Ottawa
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61350 | Ottawa | LaSalle County | IL | 23,999 | $77,562 | $157,100 |
Frequently asked questions
What are the demographics of Ottawa?
Ottawa, Illinois has a combined ZIP-area population of about 23,999 across 1 ZIP codes (primarily LaSalle County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Ottawa?
The average median household income across ZIP codes in Ottawa, Illinois is about $77,562, roughly in line with the state ZIP average ($78,143), and about 3% above the U.S. median ($75,149). Average median home value is about $157,100.
How many ZIP codes are in Ottawa?
Ottawa, 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 Ottawa?
This page lists ZIP codes in Ottawa, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.