>> Chicagoans sent out 146,425 Evites to Halloween parties last year.
>> How far out do Chicago hosts generally send out their invites? Last year, the average was 19 days before the party
>> The average number of guests Chicagoans invited to their Halloween parties increased from 55 in 2009 to 82 in 2011.
>> After the winter holidays of Christmas and Hanukkah, Halloween is the next-most popular occasion for sending Evites to a party.
>> The most popular date for a Halloween party this year is the Saturday before Halloween, Oct. 27. The next two most popular days are Oct. 20 (another Saturday) and Friday, Oct. 26.
>> Last year, when Halloween fell on Monday, 12 percent of the people on Evite threw their parties on the actual day of Halloween.
Cities sending out the most Halloween party Evites
Chicago
Houston
Austin
San Diego
Seattle
San Jose
San Francisco
Denver
Portland
Dallas
Source: Evite gathered data from its 31 million users.
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