ZIP codes
11
Piatt County, IL Demographics & ZIP Codes
Piatt County, Illinois demographics and median household income by ZIP code — 11 ZIP codes — population 17,228 — avg. income $71,396 — avg. home value $141,310. Compare income, housing, and ZIP-level data on US5.
Population
17,228
Median household income (avg.)
$71,396
95% of U.S. median
Average home value
$141,310
41% of U.S. median
Average rent
$727
62% of U.S. median
Piatt County demographics
Piatt County, Illinois covers 11 ZIP codes, with a combined ZIP-area population of about 17,228.
Median household income in Piatt County
The average median household income across ZIP codes in Piatt County, Illinois is about $71,396 — about 9% below the IL ZIP average ($78,143), and about 5% below the U.S. median ($75,149).
Among ZIPs with income data, 61884 (White Heath) is near the top at about $101,250, while 61855 is near the bottom at about $29,375.
Housing in Piatt County
For housing in Piatt County, Illinois, the average median home value is about $141,310 and the average median rent is about $727.
The most populous ZIP is 61856 (Monticello) with about 8,110 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Piatt County
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 |
| 61813 | Bement | Piatt County | IL | 1,813 | $82,750 | $103,600 |
| 61818 | Cerro Gordo | Piatt County | IL | 1,608 | $75,536 | $113,400 |
| 61854 | Mansfield | Piatt County | IL | 1,356 | $84,338 | $162,200 |
| 61913 | Atwood | Piatt County | IL | 1,192 | $60,208 | $124,500 |
| 61884 | White Heath | Piatt County | IL | 1,072 | $101,250 | $258,800 |
| 61929 | Hammond | Piatt County | IL | 713 | $59,792 | $110,100 |
| 61839 | De Land | Piatt County | IL | 648 | $63,393 | $110,300 |
| 61830 | Cisco | Piatt County | IL | 502 | $66,750 | $135,200 |
| 61936 | LaPlace | Piatt County | IL | 130 | $67,125 | $80,500 |
| 61855 | — | Piatt County | IL | 84 | $29,375 | — |
Frequently asked questions
What are the demographics of Piatt County?
Piatt County, Illinois has a combined ZIP-area population of about 17,228 across 11 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Piatt County?
The average median household income across ZIP codes in Piatt County, Illinois is about $71,396, about 9% below the state ZIP average ($78,143), and about 5% below the U.S. median ($75,149). Average median home value is about $141,310. Among ZIPs with data, 61884 (White Heath) is near the top ($101,250) and 61855 is near the bottom ($29,375).
How many ZIP codes are in Piatt County?
Piatt County, Illinois includes 11 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Piatt County?
This page lists ZIP codes in Piatt County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.