Marshall County ZIP Codes

List of ZIP Codes in Marshall County

The following table lists ZIP Codes associated with Marshall 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	61369	40.9827	-89.15397	Toluca	1,441	12.8
2	61375	41.03254	-89.24688	Varna	1,223	9.7
3	61424	41.07671	-89.63513	Camp Grove	18	9.8
4	61479	41.00192	-89.63939	Speer	80	2.7
5	61537	41.11607	-89.47035	Henry	2,742	18.5
6	61540	41.01856	-89.36867	Lacon	2,700	19.8
7	61541	40.98039	-89.23497	La Rose	106	249.4
8	61565	41.032	-89.50718	Sparland	1,339	7.9

About Marshall County ZIP Codes

Marshall 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 9,649 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 Marshall County are located in cities such as Henry, Lacon, Toluca, Sparland, Varna. These cities and towns help define the economic and demographic character of the county.

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

Marshall County ZIP Codes

List of ZIP Codes in Marshall County

About Marshall County ZIP Codes

Illinois Counties ZIP Codes

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