highest percentage of same-sex couples were Allendale (0.79% of all county households) and Calhoun (0.73%). Same-sex partners in South Carolina were on average younger than opposite-sex partners, and more likely to be employed. However, the average and median household incomes of same-sex couples were lower than different-sex couples, and same-sex couples were also far less likely to own a home than opposite-sex partners. 21% of same-sex couples in South Carolina were raising children under the age of 18, with an estimated 3,370 children living in households headed by same-sex couples in 2005. Richland County, home to the state capital of Columbia, had issued 422 marriage licenses to same-sex couples by June 26, 2016, one year after the Obergefell decision. In that same time period, Charleston County, South Carolina's third-most populous county, had issued 387 licenses to same-sex couples. Public opinion An August 2011 Public Policy Polling (PPP) survey found that 21% of South Carolina voters thought same-sex marriage should be legal, while 69% thought it should be illegal and 10% were not sure. A separate question on the same survey found that 48% of South Carolina voters supported the legal recognition of same-sex couples, with 19% supporting same-sex marriage, 29% supporting civil unions but not marriage, 51% favoring no legal recognition and 2% not sure. A December 2012 PPP survey found that 27% of South Carolina voters thought same-sex marriage should be legal, while 62% thought it should be illegal and 10% were not sure. A separate question on the same survey found that 54% of South Carolina voters supported the legal recognition of same-sex couples, with 25% supporting same-sex marriage, 29% supporting civil unions but not marriage, 43% favoring no legal recognition and 4% not sure. An October 2013 Winthrop University poll found that 38.5% of South Carolina adults thought same-sex marriage should be legal, while 52.2% thought it should be illegal and 6.1% were not sure. A February–March 2015 Winthrop University poll found that 42.8% of adult respondents thought same-sex marriage should be legal, while 52.7% thought it should be illegal. A 2017 Public Religion Research Institute (PRRI) poll found that 53% of South Carolina residents supported same-sex marriage, while 37% were opposed and 10% were unsure. A PRRI survey conducted between January 7 and December 20, 2020 on 944 random telephone interviewees showed that 53% of respondents supported same-sex marriage, while 42% were opposed. A survey conducted