Carroll County ZIP Codes

List of ZIP Codes in Carroll County

The following table lists ZIP Codes associated with Carroll 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	61014	41.97501	-89.8865	Chadwick	1,124	6.8
2	61046	42.10404	-89.81329	Lanark	2,599	11.9
3	61051	41.98289	-89.7619	Milledgeville	1,521	11.6
4	61053	42.11506	-89.98335	Mount Carroll	2,902	10.4
5	61074	42.12615	-90.13061	Savanna	4,009	21.0
6	61078	42.16729	-89.73062	Shannon	1,411	9.8
7	61285	41.98307	-90.0811	Thomson	2,687	23.3

About Carroll County ZIP Codes

Carroll 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 16,253 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 Carroll County are located in cities such as Savanna, Mount Carroll, Thomson, Lanark, Milledgeville. These cities and towns help define the economic and demographic character of the county.

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

Carroll County ZIP Codes

List of ZIP Codes in Carroll County

About Carroll County ZIP Codes

Illinois Counties ZIP Codes

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