October 12, 2006
New Census Data: More Same-Sex Couples in the US
The 2000 US Census had special importance for sexual minorities because it yielded data on the number of households headed by someone in a cohabiting same-sex couple.
Now a newly released analysis of data from the Census Bureau has found that the number of such couples increased dramatically between 2000 and 2005.
The analysis was conducted by Dr. Gary Gates, a senior research fellow at the Williams Institute on Sexual Orientation, Law, and Public Policy at UCLA. Gates examined data on same-sex couples from the 2005 American Community Survey (ACS).
Unlike the decennial Census, which attempts to count every person living in the United States, the ACS is an ongoing survey conducted every year with a sample of households representing roughly 2.5% of the US population. By 2010, it will replace the Census long form. The 2005 ACS, the first to be conducted on a national basis, sampled 1.4 million households.
Here are some key findings from Dr. Gates’ analysis:
- The number of cohabiting same-sex couples in the U.S. grew from nearly 600,000 in 2000 to almost 777,000 in 2005. This is an increase of more than 30%.
- Based on the 2005 data, 53% of same-sex couples consist of two men while 47% consist of two women.
- The rate of growth isn’t uniform across the country. Of the ten states with the largest percentage increases, 8 are in the Midwest (Wisconsin, Minnesota, Indiana, Nebraska, Kansas, Ohio, Iowa, Missouri, and Indiana). Their rates of increase ranged from 54% to 81%. These states had fairly small percentages of same-sex couples in 2000.
- Also on the top ten list are New Hampshire (106% increase) and Colorado (58% increase).
- Six states with a 2006 ballot initiative that would ban same-sex marriage — Arizona, Colorado, South Carolina, Tennessee, Virginia, and Wisconsin — experienced more than a 30% increase in the number of same-sex couples in their population, even more than the national rate.
How to explain these huge increases between 2000 and 2005? Although some of the change may result from more gay, lesbian, and bisexual people cohabiting in committed relationships, Gates suggests that this factor is unlikely to account for the magnitude of growth documented by the ACS. Rather, it is probably the case that more same-sex couples are reporting their relationships to Census Bureau researchers.
This greater visibility could result from several factors, including more widespread awareness of the Census data about same-sex couples and a greater willingness to be out of the closet. That increased willingness to disclose may reflect a sense that sexual stigma has declined and it is now safer to be openly gay, lesbian, or bisexual. Coming out may also represent a decision to take a stand against antigay groups and ballot campaigns.
The Census only counts same-sex couples, and only those who are living together and in which one partner is the household head. Because it doesn’t ask directly about sexual orientation, the Census doesn’t tell us how many Americans are gay, lesbian, bisexual, or heterosexual.
Using data from another large-scale survey, however, Gates estimated that 4.1% of US adults identify as a sexual minority. This translates into an estimated 8.8 million gay, lesbian, and bisexual persons.
Applying this estimate to the ACS data, Gates came to some additional interesting conclusions:
- In terms of absolute numbers, California, Florida, New York, Texas, and Illinois have the largest sexual minority populations, along with the District of Columbia.
- New York, Los Angeles, Chicago, San Francisco, and Boston have the largest sexual minority populations among metropolitan areas.
- Ranking states by the percentage of the adult population who are gay, lesbian, or bisexual, the District of Columbia, New Hampshire, Washington, Massachusetts and Maine come out on top.
- Among large metropolitan areas, San Francisco, Seattle, Boston, Portland (OR), and Tampa have the highest percentages of sexual minority residents.
- Same-sex couples are found in all Congressional districts in the U.S.
The full report, Same-sex Couples and the Gay, Lesbian, Bisexual Population: New Estimates from the American Community Survey, and other analyses of Census data are available at the Williams Institute Web site.
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