2 District of Columbia
The District of Columbia has approximately 111 women for every 100 men, the highest women-to-men ratio in the United States. This strong female majority is influenced by life expectancy differences, migration patterns, and employment opportunities in government, legal, nonprofit, and educational sectors. Women play a central role in shaping the city’s political, social, and economic life—from leadership in public policy and advocacy to community organization and professional advancement. This demographic structure also impacts household composition, civic engagement, and workforce trends, making the nation’s capital a uniquely female-dominant environment with a vibrant and influential female population.