Skip to content

Decatur, IL ZIP codes

Decatur, Illinois has 6 ZIP codes, including 2 PO Box ZIPs. They are in Macon County.

Population in these ZIPs
79,040
Avg. median income
$56,200population-weighted
Typical home value
$106,300population-weighted
Metro area
Decatur, IL
Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Decatur, IL ZIP codes list

Decatur, IL ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
62521Macon County32,665$66,337$121,300
62522Macon County15,185$50,669$89,700
62523Macon County707$13,393—
62524 PO BoxMacon County———
62525 PO BoxMacon County———
62526Macon County30,483$49,062$98,600

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Decatur

Frequently asked questions

What is the ZIP code for Decatur, IL?

Decatur, IL has 6 ZIP codes: 62521, 62522, 62523, 62524, 62525 and 62526.

What county is Decatur, Illinois in?

Decatur ZIP codes are in Macon County.

Which Decatur ZIP codes are PO Boxes?

62524 and 62525 are PO Box or single-organization ZIP codes; they have no residential delivery area.