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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.

ZIP codes
4
Population
79,432
Median household income (avg.)
$55,586
74% of U.S. median
Average home value
$106,567
31% of U.S. median
Average rent
$498
43% of U.S. median
Median age (avg.)
39.3
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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.