Alexander County ZIP Codes

List of ZIP Codes in Alexander County

The following table lists ZIP Codes associated with Alexander 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	62914	37.04076	-89.20329	Cairo	1,785	34.5
2	62957	37.31355	-89.42669	McClure	669	5.5
3	62962	37.07431	-89.33537	Miller City	0	0.0
4	62969	37.15181	-89.34674	Olive Branch	276	7.4
5	62988	37.23184	-89.29629	Tamms	1,222	6.7
6	62990	37.22924	-89.40493	Thebes	1,044	9.2

About Alexander County ZIP Codes

Alexander County in Illinois (IL) is served by approximately 6 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 4,996 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 Alexander County are located in cities such as Cairo, Tamms, Thebes, McClure, Olive Branch. These cities and towns help define the economic and demographic character of the county.

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

Alexander County ZIP Codes

List of ZIP Codes in Alexander County

About Alexander County ZIP Codes

Illinois Counties ZIP Codes

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