Washington, D.C. 20549

                                    FORM 8-K
                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of The
                         Securities Exchange Act of 1934

      Date of Report (Date of earliest event reported): January 21, 2005

                         AUTOMATIC DATA PROCESSING, INC.
             (Exact name of registrant as specified in its charter)

           Delaware                 1-5397                    22-1467904
      (State or              (Commission           (IRS
      other                  File                  Employer
      jurisdiction           Number)               Identification
      of                                           No.)

      One ADP Boulevard, Roseland, New Jersey                      07068
      (Address of principal                              (Zip
      executive offices)                                 Code)

Registrant's telephone number, including area code:  (973) 974-5000
         (Former name or former address, if changed since last report)

Item 2.02.  Results of Operations and Financial Condition.

      On January 21, 2005 the Registrant issued a press release announcing the
Registrant's financial results for the second fiscal quarter ended December 31,
2004. A copy of the Registrant's press release is attached hereto as Exhibit 99
and is hereby incorporated by reference. The information in this Form 8-K,
including the accompanying exhibit, is being furnished under Item 2.02 and shall
not be deemed to be "filed" for the purposes of Section 18 of the Securities and
Exchange Act of 1934 (the "Exchange Act"), or otherwise subject to the
liabilities of such section, nor shall such information be deemed incorporated
by reference in any filing under the Securities Act of 1933 or the Exchange Act,
except as shall be expressly set forth by specific reference in such filing.


     Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Date:  January 21, 2005

                               AUTOMATIC DATA PROCESSING, INC.

                               By: /s/ Karen E. Dykstra
                                  Name:  Karen E. Dykstra
                                  Title:    Chief Financial Officer

                                  Exhibit Index

        Exhibit Number            Description
        -------------  ----------------------------------------------
             99       Press Release dated January 21, 2005, issued by
                      Automatic Data Processing, Inc.