Exhibit 16.1

April 26, 2019

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Ladies and Gentlemen:

We have read Item 4.01 of Form 8-K dated April 26, 2019, of Addus HomeCare Corporation and are in agreement with the statements contained in the second, third, and fourth paragraphs therein. We have no basis to agree or disagree with other statements of the registrant contained therein.

/s/ Ernst & Young LLP