Data Last Updated: May 1, 2023

ZIP Codes for City of Quincy, IL


    
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Counties:	ADAMS, IL
Area Code(s):	217, 447
Timezone(s):	Central (GMT -06:00)
City Population:	40,633 (More Details)
CBSA:	Quincy, IL-MO
Congressional District(s):	15
Land Area:	855 square miles (county)
Water Area:	16 square miles (county)

3 ZIP Codes

Quincy, IL ZIP Code Boundaries

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Quincy, IL Covers 3 ZIP Codes

ZIP Code	Type	Population	% of Population	Aliases
62301	Standard	33,758	65.16%	BURTON, MARBLEHEAD
62305	Standard	18,052	34.84%	COLUMBUS
62306	P.O. Box	0	0.00%

Quincy, IL Demographic Information *

Total population**	40,633
Male population	19,465
Female population	21,168
Median age (years)	39.4
White Population	36,904
Black Population	2,197
Indian Population	75
Asian Population	368
Hawaiian Population	9
Hispanic Population	584
Median age (Male)	37.5
Median age (Female)	41.3
Total households	17,151
Family households (families)	9,964
Average household size	2.25
Average family size	2.92
Total housing units	18,655

* Demographic data is based on 2010 Census for the City of QUINCY.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov