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subpopulations

Same-Sex Couples

About 1.2 million cohabitating same-sex couples are living in the U.S. More than half of them are married, and nearly one in five are raising their own children. We research the demographics and experiences of same-sex couples and analyze laws that impact them.

This interactive tool offers data on same-sex couples at the national, state, and county levels. Due to its size and complexity, it may take a moment to load.

Access the full methodology for these findings here.

Featured Publications

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US Census Snapshots 2020: Same-Sex Couples

September 2025
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The Economic Impact of Marriage Equality 10 Years After Obergefell

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LGBT People and Housing Affordability, Discrimination, and Homelessness

April 2020
Fact Sheet

Legally Married LGB People in the United States

June 2019
Brief

How Many Same-Sex Couples in the US are Raising Children?

July 2018
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Demographics of Married and Unmarried Same-Sex Couples

March 2015

See all publications on this topic
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Experts working on this topic

Ishani Chokshi

Law Fellow

Nanette Gartrell

Distinguished Visiting Scholar

Raksha Kopparam

Research Data Analyst

Holning Lau

Distinguished Visiting Scholar

Giam Nguyen

Judicial and Legal Education Director and Scholar

Esther D. Rothblum

Distinguished Visiting Scholar

Al Rowland

Research Data Analyst

Laurel Sprague

Research Director
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