Mason County ZIP Codes

List of ZIP Codes in Mason County

The following table lists ZIP Codes associated with Mason 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	61532	40.34851	-89.80692	Forest City	404	5.1
2	61567	40.35077	-89.89899	Topeka	541	4.1
3	62617	40.14948	-90.18109	Bath	542	3.4
4	62633	40.22577	-89.8763	Easton	609	3.5
5	62644	40.28553	-90.06022	Havana	4,657	18.6
6	62655	40.16523	-89.99515	Kilbourne	648	4.2
7	62664	40.21106	-89.72629	Mason City	2,848	10.3
8	62682	40.29487	-89.63541	San Jose	745	6.4

About Mason County ZIP Codes

Mason County in Illinois (IL) is served by approximately 8 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 10,994 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 Mason County are located in cities such as Havana, Mason City, San Jose, Kilbourne, Easton. These cities and towns help define the economic and demographic character of the county.

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

Mason County ZIP Codes

List of ZIP Codes in Mason County

About Mason County ZIP Codes

Illinois Counties ZIP Codes

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