Adams County ZIP Codes

List of ZIP Codes in Adams County

The following table lists ZIP Codes associated with Adams 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	62301	39.93139	-91.38741	Quincy	30,987	1071.1
2	62305	39.92915	-91.34441	Quincy	19,077	52.9
3	62320	40.02343	-91.08295	Camp Point	2,431	11.6
4	62324	39.9901	-90.96302	Clayton	1,393	5.7
5	62325	40.05307	-91.16564	Coatsburg	547	11.5
6	62338	39.99309	-91.23889	Fowler	1,109	12.4
7	62339	40.12898	-91.04196	Golden	1,004	13.9
8	62346	40.14367	-90.93418	La Prairie	135	1.2
9	62347	39.86648	-91.08905	Liberty	2,172	7.1
10	62348	40.18836	-91.37126	Lima	240	38.1
11	62349	40.16958	-91.19986	Loraine	678	5.7
12	62351	40.11374	-91.26751	Mendon	2,026	10.7
13	62359	40.03239	-91.20851	Paloma	104	11.5
14	62360	39.81731	-91.26143	Payson	1,540	16.0
15	62365	39.79559	-91.16018	Plainville	421	5.9
16	62376	40.1148	-91.40662	Ursa	1,073	6.6

About Adams County ZIP Codes

Adams County in Illinois (IL) is served by approximately 16 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 64,937 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 Adams County are located in cities such as Quincy, Camp Point, Liberty, Mendon, Payson. These cities and towns help define the economic and demographic character of the county.

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

Adams County ZIP Codes

List of ZIP Codes in Adams County

About Adams County ZIP Codes

Illinois Counties ZIP Codes

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