LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

The undersigned hereby constitutes and appoints TIMOTHY T. SMITH, SEAN R.
CREAMER, and SEAN P. MULCAHY 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 25th day of August, 2010.


                                                     /s/ David W. Devonshire
                                                     David Devonshire