Market Population Rankings for the most current survey.
Market Survey Schedule & Population Rankings guide: Download Fall 2009 ("Red Book") (PDF) or Spring 2009 ("Blue Book") (PDF).10.14.09
2010 Arbitron Radio Metro Map (PDF, 10MB) Based on Fall 2009 Market Definitions. See the geographical boundaries for every Arbitron radio Metro in the United States.3.10.10
Market Survey Definitions: See the geographic composition of the Metro and Total Survey Areas used in Arbitron surveys conducted in the U.S.
Market Code Guide (PDF) View the list of all Arbitron markets and their market codes.9.25.09
Hispanic Diarykeeper Language Report (updated quarterly) Get information on the language orientation of the Hispanic in-tab sample in Hispanic-controlled Arbitron radio Metros.
Presurvey Bulletin Get information on changes in survey specifications or Arbitron policies and procedures. Now available to Arbitron clients under Survey & Market Info on my.arbitron.com.