Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 33-58300, 333-4530, 333-38981,

333-86935, 333-76076, 333-87898, 333-127216 and 333-173877 on Form S-8 and Nos. 333-127215, 333-142722 and

333-170297 on Form S-3 of our report, dated February 15, 2013, relating to the consolidated financial statements

and the financial statement schedules of Kemper Corporation and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, (which report expresses an unqualified opinion and

includes an explanatory paragraph as to the changes in the Company’s accounting for costs associated with acquiring or renewing insurance contracts in 2012), appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2012.

/s/ Deloitte & Touche LLP

Chicago, Illinois

February 15, 2013