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Monticello, IL Demographics & ZIP Codes
Monticello, Illinois demographics and median household income by ZIP code (in Piatt County) — 1 ZIP codes — population 8,110 — median income $94,841 — avg. home value $214,500. Compare income, housing, and population across ZIP codes on US5.
Population
8,110
Median household income (avg.)
$94,841
126% of U.S. median
Average home value
$214,500
62% of U.S. median
Average rent
$891
77% of U.S. median
Median age (avg.)
42.4
Monticello demographics
Monticello, Illinois covers 1 ZIP code primarily in Piatt County, with a combined ZIP-area population of about 8,110.
Across ZIP codes with age data, the average median age is about 42.4 years.
Median household income in Monticello
The average median household income across ZIP codes in Monticello, Illinois is about $94,841 — about 21% above the IL ZIP average ($78,143), and about 26% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $94,841 in 61856.
Housing in Monticello
For housing in Monticello, Illinois, the average median home value is about $214,500 and the average median rent is about $891.
The most populous ZIP in this set is 61856 (about 8,110 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Monticello
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61856 | Monticello | Piatt County | IL | 8,110 | $94,841 | $214,500 |
Frequently asked questions
What are the demographics of Monticello?
Monticello, Illinois has a combined ZIP-area population of about 8,110 across 1 ZIP codes (primarily Piatt County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Monticello?
The average median household income across ZIP codes in Monticello, Illinois is about $94,841, about 21% above the state ZIP average ($78,143), and about 26% above the U.S. median ($75,149). Average median home value is about $214,500.
How many ZIP codes are in Monticello?
Monticello, 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 Monticello?
This page lists ZIP codes in Monticello, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.