A majority of Utahns oppose marriage equality and support passage of a statewide non-discrimination law, a poll has found.

The poll, conducted by Dan Jones and Associates and commissioned by UtahPolicy.com and Zions Bank, found 61 percent of respondents support Amendment 3, the state's voter approved constitutional amendment defining marriage as a heterosexual union, while 29 percent said they oppose the ban.

Fifty percent of adults under 24 said they support marriage equality.

In June, a federal appeals court struck down the amendment as invalid. State officials have appealed the ruling to the Supreme Court.

“So it's a two-to-one margin against same-sex marriage,” Bryan Schott, managing editor of UtahPolicy.com, told CBS affiliate KUTV.

State Senator Jim Dabakis, who is openly gay, questioned the poll's results.

“Utah Policy is owned by a lobbyist and so when I see this big difference between the Utah Policy poll and the poll by BYU and the poll by the [Salt Lake] Tribune, which were pretty close, I just wonder was there anything other than the numbers there,” he said.

The survey also found strong support (59%) for passage of a measure which would prohibit employment and housing discrimination based on sexual orientation.