Washington County ZIP Codes

List of ZIP Codes in Washington County

The following table lists ZIP Codes associated with Washington 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	62214	38.37682	-89.60529	Addieville	1,097	7.9
2	62263	38.33168	-89.39706	Nashville	4,834	12.6
3	62268	38.27208	-89.52612	Oakdale	922	6.7
4	62271	38.44028	-89.52209	Okawville	1,819	11.1
5	62803	38.45461	-89.29822	Hoyleton	1,138	7.8
6	62808	38.30328	-89.1884	Ashley	1,819	9.4
7	62831	38.23042	-89.22167	Du Bois	345	3.3
8	62848	38.43794	-89.16665	Irvington	587	83.4
9	62876	38.27713	-89.19487	Radom	135	18.8
10	62877	38.38983	-89.2057	Richview	446	5.4

About Washington County ZIP Codes

Washington County in Illinois (IL) is served by approximately 10 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 13,142 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 Washington County are located in cities such as Nashville, Okawville, Ashley, Hoyleton, Addieville. These cities and towns help define the economic and demographic character of the county.

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

Washington County ZIP Codes

List of ZIP Codes in Washington County

About Washington County ZIP Codes

Illinois Counties ZIP Codes

Solutions

2000+ Our clients are subscribe Around the World