Cass County Illinois Official Website


Welcome to Cass County! Formed in 1837, we are a small, rural county along both the Illinois and Sangamon Rivers, and straight west of the capital city of Springfield. As of the 2010 US Census we have a population of 13,642, making us one of the least populated counties in Illinois. Although we are small in size, we have a large immigrant population that has grown in the last twenty years, making Cass County one of the most diverse counties in downstate Illinois. We also represent a top 10% Health Department in the US, in the Cass County Health Department.


Check out all of our Departments and Department Heads! Their contact information is on each of their webpages.
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Elected Officials

Check out all of our Elected Officials! Their contact information is on each their webpages.
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County Info

Check out our County Information, which includes meeting minutes/agendas, budgets, audits, and different facts about Cass County!
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Contact Us

Check out the hours, address, and phone number of the Courthouse here! We would be glad to hear from you!
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Vote by Mail Applications have been mailed as of


Vote By Mail Info

Voters have the option to vote

early, either by mail or in-person.

On June 16, a bill was signed [i] into law requiring County Clerk's to send applications to vote by mail to registered voters who have voted in the last three elections.

Receipt of application does not require you to vote by mail.

In-person early voting will be conducted in the Cass County Clerk's Office from 

Sept. 24 though Nov. 2     

In-person early voting will also be conducted at the Beardstown City Clerk's Office from Oct. 5 through Nov. 2

All polling locations will be open on Election Day, Nov. 3, 2020

[i]  (10 ILCS 5/2B-15(b)) 


Safety Guidelines                                 Guia de SeguridadCovid 19.PNG         Covid-19 Spanish.jpg

Covid-19 Protection                              Covid-19 Spanish


    Cass County Health Department Statement-Covid 19

    Declaracion del Departamento del Condado de Cass

Online GIS portal and Property Search:

Cass County Map

To contact emergency services, please call "911" if possible. Otherwise, see the non-emergency numbers that are listed. Cass County Sheriff's Department number is (217) 452-7718, which is listed below.


Town Fire Police
(217) 997-5858
(217) 452-7718
(217) 476-3317
(217) 476-8191
(217) 323-1191
(217) 323-3131
(217) 458-2400
(217) 452-7718
(217) 452-7500
(217) 452-3500