Data Last Updated: June 1, 2023

ZIP Codes for City of Dennison, IL


    
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Counties:	CLARK, IL
Area Code(s):	217, 447
Timezone(s):	Central (GMT -06:00)
City Population:	724 (More Details)
CBSA:	None
Congressional District(s):	12, 15
Land Area:	501 square miles (county)
Water Area:	3 square miles (county)

1 ZIP Code

Dennison, IL ZIP Code Boundaries

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Dennison, IL Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
62423	Standard	724	100.00%

Dennison, IL Demographic Information *

There is no Census data for the city of DENNISON, IL. We have pulled information for the ZIP Code 62423 instead.

Total population**	724
Male population	367
Female population	357
Median age (years)	41.3
White Population	708
Black Population	0
Indian Population	2
Asian Population	5
Hawaiian Population	0
Hispanic Population	10
Median age (Male)	41.9
Median age (Female)	40.5
Total households	285
Family households (families)	220
Average household size	2.54
Average family size	2.88
Total housing units	324

* Demographic data is based on 2010 Census for the City of DENNISON.
** 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