8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

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): September 16, 2009

Arbitron Inc.

(Exact name of registrant as specified in its charter)

Delaware	1-1969	52-0278528
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification Number)

9705 Patuxent Woods Drive, Columbia, Maryland	21046
(Address of principal executive offices)	(Zip Code)

(410) 312-8000
(Registrant’s telephone number, including area code)

Not applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure.

Arbitron Inc. is scheduled to present at the 7^th Annual C.L. King Best Ideas Conference on Wednesday, September 16th at the Omni Berkshire Place Hotel in New York City. A copy of the slide show presentation to be made at the conference is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

The following exhibit relating to Item 7.01 shall be deemed to be furnished, and not filed:

Exhibit 99.1      Arbitron Inc. Slide Show Presentation

The information in this Form 8-K (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

2

SIGNATURES

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

	ARBITRON INC.
Date: September 16, 2009	By:	/s/ Timothy T. Smith
		Timothy T. Smith
		Executive Vice President & Chief Legal Officer, Legal and Business Affairs, & Secretary

3

Exhibit Index

Exhibit 99.1      Arbitron Inc. Slide Show Presentation

EX-99.1

Exhibit 99.1

Arbitron Inc. A world leader in media and marketing information servicesMichael SkarzynskiPresident & Chief Executive OfficerSean CreamerEVP, Finance & Planning, Chief Financial Officer NYSE:ARB

(c) 2009 Arbitron Inc. 2 Forward-Looking Statements Statements made in this presentation that are not historical in nature, particularly regarding expected performance in 2009 and future years, are forward-looking statements.These forward-looking statements are based on our current expectations and assumptions, and involve various risks and uncertainties that could cause actual results to differ materially from those expressed in such forward-looking statements. Important factors known by the company that could cause such material differences include those referenced or discussed from time to time in our filings with the SEC, including those referenced under the heading "ITEM 1A - Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2008, and elsewhere, and any subsequent periodic or current reports filed by us with the SEC.In addition, any forward-looking statements contained in this presentation represent our estimates only as of the date hereof and should not be relied upon as representing our estimates as of any subsequent date. While we may elect to update forward-looking statements at some point in the future, we specifically disclaim any obligation to do so, even if our estimates change.

(c) 2009 Arbitron Inc. 3 NYSE: ARB Leading Media and Marketing Research Firm Established: 1949Original listing: March 2001Headquarters: Columbia, MD1,423 employeesMarket cap: $490 million (as of 09/14/09)

(c) 2009 Arbitron Inc. 4 Company Profile Survey Research InnovatorWorldwide ReputationCredibilityQualityIntegrityAttractive Investment Thesis

Core Business Measuring Network and Local-Market Radio Audiences in 300 U.S. marketsSurveying the Retail, Media and Product Patterns of Local-Market ConsumersProviding Application Software for Analyzing Media Audiences and Marketing InformationServing radio, television, cable, online radio and out-of-home media as well as advertisers and advertising agencies (c) 2009 Arbitron Inc. 5

(c) 2009 Arbitron Inc. 6 Revenue Profile Revenue Profile FY ending 12/31/2008

(c) 2009 Arbitron Inc. 7 Why Invest in Arbitron? Strong financial foundationLeading marketplace positionLeverageable platform for growth

(c) 2009 Arbitron Inc. 8 Strong Financial Foundation Strong revenue growthSolid marginsQuality returnsSolid cash flowStrong balance sheet

(c) 2009 Arbitron Inc. 9 Leading Marketplace Position "Currency" in core radio marketsFirst mover advantage with Portable People MeterTM electronic ratings for radioDeeply integrated into the buy-sell business systems of the radio industryLong-term experience recruiting representative samples for media researchExtensive patent portfolio

(c) 2009 Arbitron Inc. 10 Leverageable Growth Platform PPM increases the value of current radio ratings businessInvestment in PPM can extend to cross-platform and marketing researchJoint ventures and partnerships can enhance PPM capability

(c) 2009 Arbitron Inc. 11 Leverageable Growth Platform PPM: Alternative Media MeasurementARB-TV: out-of-home television ratingsPlace-based media audiencesDigital out-of-home mediaPPM: Cross-Platform Media MeasurementRadio, broadcast television, cable TVInternetWirelessPPM: Return on Investment Advertising Metrics What they watch/listen toWhat they buy

(c) 2009 Arbitron Inc. 12 PPM Radio Ratings Status U.S. Market Commercialization Plan 20 top markets are "currency" 5 more scheduled for October; 8 scheduled for December 09 Remaining markets scheduled for 2010 Significant progress improving sample metrics Radio stations representing ~88 percent of ad revenue in scheduled PPM markets under long-term contract Committed to resolving favorably the open judicial, regulatory, legislative and accreditation issues

(c) 2009 Arbitron Inc. 13 PPM International Status PPM International Status * Includes the 500-household Montreal TV service which was deployed 3Q 2004

(c) 2009 Arbitron Inc. 14 Diary Market Status ARB Delivers Cell-Phone-Only Sampling151 markets in Spring 2009Balance of 118 Diary markets slated for Fall 2009Improved younger demos, aged 18-34, representationEnhanced Local Market QualitativeClear Channel Signs for ARB in 105 Diary Markets

(c) 2009 Arbitron Inc. 15 Continuous Improvement Status Expanded cell-phone-only household samplingImproved Black and Hispanic representationImproved younger demo samples (Persons 18-34)Enhanced sample stratification system

(c) 2009 Arbitron Inc. 16 What We Are Seeing Arbitron Economic EnvironmentRadio ad revenue "skating along the bottom"Radio groups working balance sheets aggressivelyAd revenue growth has typically been a lagging indicator in prior economic recoveriesRadio has the potential to maintain a meaningful role as an "on- the-go" advertising medium

(c) 2009 Arbitron Inc. 17 What We Expect Arbitron Marketplace GoalsPPM as gold standard for radio ratings in the U.S.Extended period of market leadershipPPM as a preferred solution in key international marketsBroader penetration among advertisers, marketers and additional media

(c) 2009 Arbitron Inc. 18 What We Expect Arbitron Financial GoalsLeveraging investment in PPM and Diary infrastructure drives margin improvement on an enhanced revenue baseLarger, more diversified revenue base due to cross-platform and marketing research initiatives and acquisitions/joint venturesFlexible capital structure

(c) 2009 Arbitron Inc. 19 Financial Metrics* * All years presented exclude results of Continental Research, which was divested in Jan '08.** 2009 Guidance as of July 21, 2009, and is not being updated as of the date of this presentation. 2003 2004 2005 2006 2007 2008 2009 EBIT 92 98 101 84 63 63 Revenue 263 286 300 319 338 369 376 EBIT Margin 0.35 0.344 0.338 0.262 0.187 0.171 $ in Millions 2003-2008 Revenue CAGR = 7.0% $391 $376 Guidance** to

(c) 2009 Arbitron Inc. 20 2003 2004 2005 2006 2007 2008 2009 EBIT 92 98 101 84 63 63 Revenue 263 286 300 319 338 369 376 EBIT Margin 0.35 0.344 0.338 0.262 0.187 0.171 Financial Metrics* $ in Millions * All years presented exclude results of Continental Research, which was divested in Jan '08.** 2009 guidance as of July 21, 2009, and is not being updated as of the date of this presentation. 2003-2008 Revenue CAGR = 7.0% $391 $1.92 $2.14 $1.68 $1.37 $1.63 $1.37 EPS: $1.40-$1.55 Guidance** Impact of PPM commercialization spending $376 to

(c) 2009 Arbitron Inc. 21 2009 Full-Year Guidance* 2009 Full-Year Guidance* * 2009 guidance as of July 21, 2009, and is not being updated as of the date of this presentation.

(c) 2009 Arbitron Inc. 22 Years Ended December 31, 2004, through 2008 (millions)(Amounts may not foot due to rounding) EBIT Reconciliation EBIT Reconciliation Arbitron's management believes earnings before interest and income taxes (EBIT) is a useful measure in evaluating Arbitron's historical results since it excludes certain items not directly related to core operating performance. EBIT is calculated by adding net interest expense and income tax expense to net income.

Arbitron Inc. A world leader in media and marketing information services NYSE:ARB