I need to know what percentage of US adults indicate they've played
poker.  I'd also like to know, if possible, how many are online gamers
versus offline.  Thanks.

<The American Gaming Association?s annual survey of casino
entertainment found that 12% of people surveyed played poker.
http://www.lasvegassun.com/sunbin/stories/business/2004/may/27/516925816.html

According to a report on Casinobuzz.com, 50 million Americans have
played poker at least once in the last year.
http://www.casinobuzz.com/blog_b.php?cat=19

According to the US Census Bureau there are 209.12 million adults in the US.
http://www.census.gov/prod/cen2000/dp1/2kh00.pdf

According to World Poker Tour there are more than 50 million poker
players in the US.
http://www.worldpokertour.com/faq/

According to the Boston Globe there are 80 million poker players in the US.
http://triangle.dbusinessnews.com/print.php?sid=4518

Boss Media estimate that there are 90 million poker players in the world.
http://investors.bossmedia.se/index.php?p=press&lang=en&id=14036

Based on these figures, there could be between 23.9 % and 38% of the
population that have played poker at least once in the last year.

According to Party Poker, an estimated 2 million people have played
poker on line. An estimated 70,000 players are simultaneously playing
online

http://www.partypoker.com/press/facts_index.html

According to Professional-poker.com, 15 percent of poker players are women.
http://www.professional-poker.com/news/2004/aug/026-casino-net-women-poker.htm>


<Search strategy :>

<"million poker players">
<://www.google.com/search?hl=en&lr=&ie=UTF-8&q=%22million+poker+players%22>

<"played poker" respondents percent>
<://www.google.com/search?hl=en&lr=&ie=UTF-8&q=%22played+poker%22+respondents+percent>

<population census bureau>
<://www.google.com/search?hl=en&lr=&ie=UTF-8&q=population+census+bureau>

<Hope this helps.>

This was exactly what I needed and I received it in a timely fashion. 
I'll definitely use this again.