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Illinois City, IL Demographics & ZIP Codes
Illinois City, Illinois demographics and median household income by ZIP code (in Rock Island County) — 1 ZIP codes — population 1,107 — median income $88,550 — avg. home value $198,900. Compare income, housing, and population across ZIP codes on US5.
Population
1,107
Median household income (avg.)
$88,550
118% of U.S. median
Average home value
$198,900
57% of U.S. median
Median age (avg.)
55.5
Illinois City demographics
Illinois City, Illinois covers 1 ZIP code primarily in Rock Island County, with a combined ZIP-area population of about 1,107.
Across ZIP codes with age data, the average median age is about 55.5 years.
Median household income in Illinois City
The average median household income across ZIP codes in Illinois City, Illinois is about $88,550 — about 13% above the IL ZIP average ($78,143), and about 18% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $88,550 in 61259.
Housing in Illinois City
For housing in Illinois City, Illinois, the average median home value is about $198,900.
The most populous ZIP in this set is 61259 (about 1,107 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Illinois City
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61259 | Illinois | Rock Island County | IL | 1,107 | $88,550 | $198,900 |
Frequently asked questions
What are the demographics of Illinois City?
Illinois City, Illinois has a combined ZIP-area population of about 1,107 across 1 ZIP codes (primarily Rock Island County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Illinois City?
The average median household income across ZIP codes in Illinois City, Illinois is about $88,550, about 13% above the state ZIP average ($78,143), and about 18% above the U.S. median ($75,149). Average median home value is about $198,900.
How many ZIP codes are in Illinois City?
Illinois City, 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 Illinois City?
This page lists ZIP codes in Illinois City, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.