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 17th day of August, 2004.


										   /s/
Dolores L. Cody
										   Dolores L. Cody