Arbitron Adds Black, Hispanic and Asian Reports to Local Market Commuter Profiles

Ethnic Commuter Profiles Provide Diverse Information for the American Marketplace

NEW YORK, DECEMBER 8, 2004 - Arbitron Inc. (NYSE: ARB) announced today that it has compiled detailed ethnic commuter profiles utilizing Census 2000 and Arbitron data to provide valuable information to the radio industry about ethnic commuters' travel time, time of departure and method of getting to work. T his free tool is expanded to offer profiles covering Persons 16+ for Hispanic, Black, Asian, and Non-Hispanic White demographic segments. Arbitron has posted the new profiles with the general population profiles on its Web site at http://www.arbitron.com/radio_stations/commuterIQP.asp .

What's in Each Profile

· Travel Time – Commuting time is broken out in increments, starting with less than 15 minutes and going up to 60 minutes or more. Average travel time in the Metro is also available.

· Time of Departure – From the early birds to the swing-shift workers, the profiles have everyone covered.

· Method of Getting to Work – Workers are categorized according to whether they drive to work alone, carpool, use public transportation, walk to work, work at home, or use another means of getting to their workplace.

Commuting Facts that May Surprise You

· The champion Hispanic carpoolers in the U.S. reside in Raleigh-Durham, where 46.9 percent of the Hispanic working population carpools.

· New York black residents have an average 41 minute commute leading the national average of black commuters. Twenty-six percent of black commuters and 24 percent of Asian commuters in New York have drive times of 60 minutes or more.

· People who live in the Clarksville-Hopkinsville, TN-KY Metro are the earliest early birds in the United States: 23.3 percent leave home before 6AM to get to work.

Value of the Profiles
"The newly available ethnic commuter profiles will help radio stations better understand when specific ethnic audiences are leaving home and how long it's taking them to get to work," said Dan Estersohn, senior demographer for Arbitron. "For the total U.S., over 58 percent of commuters leave home outside of the 7:00AM to 8:30 AM slot. The break-out of demographics will help stations and advertisers identify a broad range of opportunities to reach these diverse groups through an understanding of commuting patterns.”

Note: Not all ethnic profiles may be available in all markets.

About Arbitron
Arbitron Inc. (NYSE: ARB) is an international media and marketing research firm serving radio broadcasters, cable companies, advertisers, advertising agencies and outdoor advertising companies in the United States, Mexico and Europe. Arbitron’s core businesses are measuring network and local market radio audiences across the United States; surveying the retail, media and product patterns of local market consumers; and providing application software used for analyzing media audience and marketing information data. The Company has developed the Portable People Meter (PPM ^SM ), a new technology for media and marketing research.

Arbitron’s marketing and business units are supported by its research and technology organization located in Columbia, Maryland. Arbitron has approximately 1,700 employees; its executive offices are located in New York City.

Through its Scarborough Research joint venture with VNU, Inc., Arbitron also provides media and marketing research services to the broadcast television, cable, magazine, newspaper and online industries.

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