U.S. Rep. Mazie Hirono spent more than $5.5 million on her victorious campaign for U.S. Senate over former Gov. Linda Lingle — about $20.58 per vote.

The Hawaii Democrat, who will replace retiring U.S. Sen. Daniel Akaka, D-Hawaii, in January, raised more than $5.4 million for her campaign, according to her latest federal campaign-finance report. She had more than $238,950 in debt in late November, including $90,000 remaining in personal loans she had made to her 2006 campaign for Congress.

Lingle, a Republican, spent nearly $5.5 million, or about $34.13 a vote, in her losing campaign, according to her report. She raised more than $5.6 million overall.

Lingle carried more than $209,800 in debt in late November, including a $100,000 personal loan she made in November for campaign expenses.