List of Counties in the United States by Each State

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List of Counties in the United States by Each State

The United States is divided into thousands of administrative regions known as counties, each playing a vital role in local government, public services, and community identity. With over 3,000 counties across the country, every state has its own unique county structure, from large metropolitan areas to remote rural districts. This article offers a detailed list of counties in the United States by each state, helping readers understand the full scope of local jurisdictions within the U.S. government system.

Whether you’re a researcher, student, traveler, or simply curious about U.S. geography, this list of counties by state serves as a valuable reference. From the most populous counties in states like California and Texas to the smallest rural counties in places like Wyoming and Vermont, this guide provides an organized look at all recognized counties in the USA.