Decatur, IL Demographics & ZIP Codes
Decatur, Illinois demographics and median household income by ZIP code (in Macon County) — 4 ZIP codes — population 79,432 — median income $55,586 — avg. home value $106,567. Compare income, housing, and population across ZIP codes on US5.
Decatur demographics
Decatur, Illinois covers 4 ZIP codes primarily in Macon County, with a combined ZIP-area population of about 79,432.
Across ZIP codes with age data, the average median age is about 39.3 years.
Median household income in Decatur
The average median household income across ZIP codes in Decatur, Illinois is about $55,586 — about 29% below the IL ZIP average ($78,143), and about 26% below the U.S. median ($75,149).
Among ZIPs with income data, 62521 is near the top at about $66,848, while 62526 is near the bottom at about $48,222.
Housing in Decatur
For housing in Decatur, Illinois, the average median home value is about $106,567 and the average median rent is about $498.
The most populous ZIP in this set is 62521 (about 32,455 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Decatur
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62521 | Decatur | Macon County | IL | 32,455 | $66,848 | $119,900 |
| 62526 | Decatur | Macon County | IL | 31,191 | $48,222 | $91,500 |
| 62522 | Decatur | Macon County | IL | 14,984 | $51,689 | $108,300 |
| 62523 | Decatur | Macon County | IL | 802 | — | — |
Frequently asked questions
What are the demographics of Decatur?
Decatur, Illinois has a combined ZIP-area population of about 79,432 across 4 ZIP codes (primarily Macon County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Decatur?
The average median household income across ZIP codes in Decatur, Illinois is about $55,586, about 29% below the state ZIP average ($78,143), and about 26% below the U.S. median ($75,149). Average median home value is about $106,567. Among ZIPs with data, 62521 is near the top ($66,848) and 62526 is near the bottom ($48,222).
How many ZIP codes are in Decatur?
Decatur, Illinois includes 4 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Decatur?
This page lists ZIP codes in Decatur, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.