Former Massachuseets Gov. Mitt Romney has been declared the winner, scoring all 50 of the state's convention delegates, according to reports.

Reports are that Romney won a majority of female and Hispanic voters. He also won over the voters who are over 65 years old, USA Today said exit polls show. Romney lost to Gingrich, however, among the most conservative voters.

Romney won with 47.5 percent to Gingrich's 31.2 percent with 51 percent of the vote counted.

Former Sen. Rick Santorum scored 13.1 percent while Rep. Ron Paul raked in 6.9 percent.

Follow the results on NBC's live video below.

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