Can tweeting really boost ratings? If KOMO-TV’s tweetup event last night for The Bachelorette is any indication, then yes.

The ABC affiliate reported a “significant increase” in its ratings over 2011 for last night’s show premiere, according to social TV blog Lost Remote. KOMO used the hashtag #liveonkomo for viewers to fire up discussion about Emily & Co., hosting the tweetup event at the Seattle Four Seasons. Very nice.

KOMO invited some of Seattle’s Twitter elite and reports that more than 1,000 tweets went out between 8 and 11 p.m. PT, with more than 2.5 million people exposed to the tweets. As a result, KOMO says that viewership grew more than 31 percent for women, 18-34, and more than 117 percent for men in the same age group. (May we humbly suggest that the next poll should be on what is up with the jump in guys watching The Bachelorette?)

Apparently, many of those folks also watched KOMO News after, with an increase of 122 percent of women and men, 18-34, sticking around for the 11 p.m. newscast.

KOMO loves the results and is planning more tweetups. Whether they will all be at someplace as nice as the Four Seasons, we cannot confirm.

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