LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS


	 The
undersigned hereby constitutes and appoints WILLIAM J. WALSH, DOLORES L.
CODY, PATRICIA O'DONNELL and JAMES P. DWYER and each of them, to be the
undersigned's true and lawful attorney-in-fact for thirteen months from the
date hereof to:

        (1)     execute for and on behalf of the
undersigned a Form 3 reflecting the undersigned's initial beneficial
ownership of Arbitron Inc. (the "Company") reportable on such form,
including any amendments to the Form 3; and

        (2)     execute for
and on behalf of the undersigned any Form 144, Form 4 or Form 5 or any
amendments to such forms reporting any changes in the undersigned's
beneficial ownership of the Company's equity securities reportable on such
form; and

        (3)     do and perform any and all acts for and on
behalf of the undersigned which may be necessary or desirable to complete
or amend any such Form 3, Form 144, Form 4 or Form 5 and to effect the
timely filing of such form with the United States Securities and Exchange
Commission and any other authority; and

        (4)     execute for and
on behalf of the undersigned any registration statements on Form S-8 and
any amendments (including post-effective amendments) thereto relating to
the Company's employee benefit plans, provided that any registration
statement or amendment in final form is first reviewed by my
attorney-in-fact; and his or her name, when thus signed, shall have the
same force and effect as though I had manually signed the registration
statement and/or amendment; and

        (5)     take any other action of
any type whatsoever in connection with the foregoing which, in the opinion
of such attorney-in-fact, may be of benefit to, in the best interest of, or
legally required of, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall contain
such terms and conditions as such attorney-in-fact may approve in his
discretion.

        The undersigned hereby grants to each such
attorney-in-fact full power and authority to do and perform all and every
act and thing whatsoever necessary and proper to be done in the exercise of
any of the rights and powers herein granted, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his substitute or substitutes, shall lawfully do or
cause to be done by virtue of this power of attorney and the rights and
powers herein granted.  The undersigned hereby revokes any and all powers
of attorney previously granted by the undersigned relating to the subject
matter of this Power of Attorney.

        The undersigned has caused
this Power of Attorney to be executed as of this 30th day of September,
2002.


                                                     /s/ William
J. Walsh
                                                     William J.
Walsh