Population ecology is the study of how populations — of plants, animals, and other organisms — change over time and space and interact with their environment. Populations are groups of organisms of ...

Immigration in 2024 drove U.S. population growth to its fastest rate in 23 years as the nation surpassed 340 million residents, the U.S. Census Bureau said Thursday. The 1% growth rate this year was ...

TALLAHASSEE — Growing faster than almost any other state, Florida’s estimated population topped 23.3 million people this year, according to data released Thursday by the U.S. Census Bureau. The Census ...

The nation’s population growth has slowed drastically over the past year in what is likely to be a longer-term shift that may complicate labor conditions and economic growth. The U.S. population grew ...

Idaho’s population continued its pattern of growth in 2025 with an over-the-year growth rate of 1.4%, ranking second nationally, according to the U.S. Census Bureau’s recent population estimate data.