PlainZIP

Quincy, IL ZIP Codes

2

Total ZIPs

51,810

Total Population

ZIP Codes in Quincy, IL

ZIP Code Population Density Timezone
62301 33,758 1,151 America/Chicago
62305 18,052 50 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.