A cartographic representation delineating the boundaries of individual counties within the geographical expanse of the United States. It displays not only state lines, but also the internal divisions that constitute the administrative and political subdivisions at the county level, offering a more granular view of the nation’s structure.
This type of map is a valuable resource for various applications. It is crucial for understanding demographic distributions, election patterns, and regional economic activity. Historically, it has aided in census tracking, resource management, and infrastructure planning, providing detailed geographic context for data analysis and decision-making. Its use facilitates more precise spatial understanding compared to maps showing only state-level divisions.