What is the most populated state in the US?
California is the most populated state in the United States with a population of 39,242,785, per Census ACS 5-Year estimates. Texas is second (29,640,343) and Florida is third (21,928,881).
Context
California has been the most populous state since 1962. The top four states (California, Texas, Florida, New York) account for roughly one-third of the nation's total population.
Top 10
| #1 California | 39,242,785 |
| #2 Texas | 29,640,343 |
| #3 Florida | 21,928,881 |
| #4 New York | 19,872,319 |
| #5 Pennsylvania | 12,986,518 |
| #6 Illinois | 12,692,653 |
| #7 Ohio | 11,780,046 |
| #8 Georgia | 10,822,590 |
| #9 North Carolina | 10,584,340 |
| #10 Michigan | 10,051,595 |
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Frequently Asked Questions
California is the most populated state in the United States with a population of 39,242,785, per Census ACS 5-Year estimates. Texas is second (29,640,343) and Florida is third (21,928,881).
Source: U.S. Census Bureau ACS, 2026.