Clark County ZIP Codes

List of ZIP Codes in Clark County

The following table lists ZIP Codes associated with Clark 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	62420	39.29065	-88.0005	Casey	4,361	13.7
2	62423	39.46208	-87.5819	Dennison	609	9.7
3	62441	39.39392	-87.69795	Marshall	6,841	14.9
4	62442	39.31269	-87.85602	Martinsville	2,629	7.3
5	62474	39.43526	-87.99462	Westfield	651	7.0
6	62477	39.23369	-87.66024	West Union	755	4.9
7	62478	39.17874	-87.74367	West York	308	4.1

About Clark County ZIP Codes

Clark 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 16,154 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 Clark County are located in cities such as Marshall, Casey, Martinsville, West Union, Westfield. These cities and towns help define the economic and demographic character of the county.

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

Clark County ZIP Codes

List of ZIP Codes in Clark County

About Clark County ZIP Codes

Illinois Counties ZIP Codes

Solutions

2000+ Our clients are subscribe Around the World