By far the most populous state in the United States is California, which has nearly 40 million residents and comprises nearly 12% of the country’s total population.

California, the most populous state, contains more people than the 21 least populous states combined, and Wyoming, the least populous state, has a population less than any of the 31 most populous U.S. …

Jan 15, 2026 · See all 50 US states ranked by population using the most recent Census Bureau data. Includes regional breakdowns and national population shares.

May 7, 2026 · California, Texas, and Florida are the three most populous states, together home to about 28% of the U.S. population.

As of 2023, the United States was the world’s third most-populated country, with more than 335,000,000 people. The U.S. state with the largest population is California, which has some 39,000,000 residents.

California continues dominating as the most populated state in the US 2025 with 39.4 million residents, representing nearly 12% of America’s total population. The Golden State’s economic powerhouse …

Apr 12, 2026 · US states ranked by total population from the Census ACS. Updated with the latest data.

May 1, 2026 · Here you can find an updated list of all the US states ordered by population according to the most recent data from the United States Census Bureau.

What is the most populated state in the US? California is the most populated state with about 38.97 million residents, followed by Texas (30.5 million) and Florida (22.6 million).

This page features files containing state population estimates totals for years 2020 to 2025. For the most recent data available, please refer to the Vintage 2025 data.