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Knoxville, IL Demographics & ZIP Codes
Knoxville, Illinois demographics and median household income by ZIP code (in Knox County) — 1 ZIP codes — population 3,906 — median income $79,500 — avg. home value $139,700. Compare income, housing, and population across ZIP codes on US5.
Population
3,906
Median household income (avg.)
$79,500
106% of U.S. median
Average home value
$139,700
40% of U.S. median
Average rent
$582
50% of U.S. median
Median age (avg.)
44.4
Knoxville demographics
Knoxville, Illinois covers 1 ZIP code primarily in Knox County, with a combined ZIP-area population of about 3,906.
Across ZIP codes with age data, the average median age is about 44.4 years.
Median household income in Knoxville
The average median household income across ZIP codes in Knoxville, Illinois is about $79,500 — about even with the IL ZIP average ($78,143), and about 6% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $79,500 in 61448.
Housing in Knoxville
For housing in Knoxville, Illinois, the average median home value is about $139,700 and the average median rent is about $582.
The most populous ZIP in this set is 61448 (about 3,906 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Knoxville
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61448 | Knoxville | Knox County | IL | 3,906 | $79,500 | $139,700 |
Frequently asked questions
What are the demographics of Knoxville?
Knoxville, Illinois has a combined ZIP-area population of about 3,906 across 1 ZIP codes (primarily Knox County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Knoxville?
The average median household income across ZIP codes in Knoxville, Illinois is about $79,500, roughly in line with the state ZIP average ($78,143), and about 6% above the U.S. median ($75,149). Average median home value is about $139,700.
How many ZIP codes are in Knoxville?
Knoxville, 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 Knoxville?
This page lists ZIP codes in Knoxville, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.