Decatur, IL ZIP Codes

Total ZIPs

87,793

Total Population

ZIP Codes in Decatur, IL

ZIP Code	Population	Density	Timezone
62521	35,851	207	America/Chicago
62526	34,075	213	America/Chicago
62522	16,630	253	America/Chicago
62523	1,237	996	America/Chicago

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.