Knox County ZIP Codes

List of ZIP Codes in Knox County

The following table lists ZIP Codes associated with Knox 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	61401	40.94451	-90.38888	Galesburg	30,684	96.4
2	61402	40.93993	-90.40627	Galesburg	1,634	7560.5
3	61410	40.79779	-90.40703	Abingdon	3,763	32.3
4	61414	41.12597	-90.15495	Altona	731	5.2
5	61428	40.93262	-90.10977	Dahinda	1,153	15.1
6	61430	40.94393	-90.31135	East Galesburg	676	176.3
7	61436	40.86067	-90.21739	Gilson	810	5.1
8	61439	41.02923	-90.35019	Henderson	268	82.8
9	61448	40.93385	-90.24374	Knoxville	3,906	36.9
10	61458	40.78027	-90.18107	Maquon	632	3.0
11	61467	41.07115	-90.24338	Oneida	1,262	9.4
12	61472	41.10327	-90.38345	Rio	430	4.2
13	61474	40.73419	-90.39724	Saint Augustine	238	3.5
14	61485	41.01677	-90.09764	Victoria	388	3.2
15	61488	41.03004	-90.32071	Wataga	1,230	20.1
16	61489	40.93462	-90.02664	Williamsfield	743	6.1
17	61572	40.79768	-90.0343	Yates City	916	9.2

About Knox County ZIP Codes

Knox County in Illinois (IL) is served by approximately 17 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 49,464 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 Knox County are located in cities such as Galesburg, Knoxville, Abingdon, Oneida, Wataga. These cities and towns help define the economic and demographic character of the county.

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

Knox County ZIP Codes

List of ZIP Codes in Knox County

About Knox County ZIP Codes

Illinois Counties ZIP Codes

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