Union County ZIP Codes

List of ZIP Codes in Union County

The following table lists ZIP Codes associated with Union County, Illinois, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	62905	37.57381	-89.35867	Alto Pass	741	8.6
2	62906	37.45746	-89.18899	Anna	7,218	46.2
3	62920	37.55095	-89.23208	Cobden	2,872	15.7
4	62926	37.3692	-89.13589	Dongola	2,166	10.8
5	62952	37.42065	-89.33187	Jonesboro	2,950	12.1
6	62961	37.34063	-89.25378	Millcreek	32	36.1
7	62998	37.51649	-89.44698	Wolf Lake	189	1.5

About Union County ZIP Codes

Union County in Illinois (IL) is served by approximately 7 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 16,168 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Union County are located in cities such as Anna, Jonesboro, Cobden, Dongola, Alto Pass. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Union County, Illinois follow the America/Chicago time zone.

Union County ZIP Codes

List of ZIP Codes in Union County

About Union County ZIP Codes

Illinois Counties ZIP Codes

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