Total population counts, growth rates, and future projections.
Between 2020 and 2025, the U.S. population grew by more than 10 million people, with nearly three-quarters of that growth concentrated in the South. Idaho led all states with a 10.4% increase, followed by Florida (8.9%) and South Carolina (8.8%). This article breaks down the latest Census Bureau state population estimates, rankings, and the migration and economic forces behind the shifts.
The U.S. Census Bureau’s Vintage 2025 estimates show California remains the most populous state with 39,355,309 residents, followed by Texas (31,710,000) and Florida (23,462,518). Wyoming is the least populous state with about 593,000 residents. This article provides a complete ranking, year-over-year changes, and analysis of state population trends from 2020 to 2025.
The U.S. population grew by 1.8 million people, or 0.5%, between July 1, 2024, and July 1, 2025, according to the U.S. Census Bureau’s Vintage 2025 estimates. This marks the slowest annual growth since the pandemic-era low of 0.2% in 2021. The slowdown was driven by a historic decline in net international migration, which fell from 2.7 million to 1.3 million.
The United States had an estimated population of 341,784,857 as of July 1, 2025, up 3.1% from the April 1, 2020 Census base. Federal spending and revenue in fiscal year 2024 remained above pre-pandemic levels but below pandemic-era peaks. This article breaks down the most important national statistics, from population change to government finances, using the latest official data.
The U.S. population reached 341,784,857 on July 1, 2025, according to the Census Bureau’s Vintage 2025 estimates, up just 0.5% from 2024. The slowdown was driven by a historic drop in net international migration from 2.7 million to 1.3 million. As of July 22, 2026, the population clock showed 342,684,908.
California is the most populous state in the United States, with an estimated 39.34 million residents as of July 1, 2025. It accounts for roughly 11.5% of the total U.S. population and contains more people than the 21 least populous states combined. Wyoming is the least populous state, with about 588,750 residents.
Five U.S. states lost residents between July 2024 and July 2025, according to U.S. Census Bureau estimates: Vermont, Hawaii, West Virginia, New Mexico, and California. The declines were small but reflect a broader slowdown in national population growth to 0.5%, driven by a sharp drop in net international migration.
Wyoming is the least populated U.S. state, with 588,753 residents according to the U.S. Census Bureau’s Vintage 2025 estimates for July 1, 2025. Vermont and Alaska follow as the next smallest states. This article examines the ranking, historical context, and factors behind Wyoming’s position.
The U.S. resident population reached an estimated 342.4 million in December 2025, up from 341.0 million in 2024 and 76.1 million in 1900. Census Bureau annual estimates and historical series show steady long-term growth, with the most recent year-over-year increase reflecting continued natural change and net international migration. This article summarizes official population totals by year, key milestones, and the methods behind the estimates.
The U.S. population grew by 0.5% between July 2024 and July 2025, adding about 1.8 million people and reaching nearly 342 million. That is the slowest annual growth since 2021, driven by a 54% drop in net international migration. Natural increase remained steady at just over 500,000.