Piatt County ZIP Codes

List of ZIP Codes in Piatt County

The following table lists ZIP Codes associated with Piatt 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	61813	39.90933	-88.55796	Bement	1,813	11.0
2	61818	39.88455	-88.71798	Cerro Gordo	1,608	15.9
3	61830	40.01122	-88.72926	Cisco	502	5.8
4	61839	40.13184	-88.63694	De Land	648	7.7
5	61854	40.20654	-88.52129	Mansfield	1,356	9.3
6	61855	39.92438	-88.66056	Milmine	84	2.8
7	61856	40.02838	-88.58211	Monticello	8,110	29.0
8	61884	40.09115	-88.48266	White Heath	1,072	17.2
9	61913	39.82657	-88.47156	Atwood	1,192	11.2
10	61929	39.82338	-88.62271	Hammond	713	7.0
11	61936	39.80319	-88.72684	La Place	130	16.5

About Piatt County ZIP Codes

Piatt County in Illinois (IL) is served by approximately 11 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 17,228 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 Piatt County are located in cities such as Monticello, Bement, Cerro Gordo, Mansfield, Atwood. These cities and towns help define the economic and demographic character of the county.

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

Piatt County ZIP Codes

List of ZIP Codes in Piatt County

About Piatt County ZIP Codes

Illinois Counties ZIP Codes

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