Explore Every County in America
Discover comprehensive data, demographics, and insights for all 3,221 counties across the United States. From population statistics to economic indicators, find everything you need to understand local communities.
Comprehensive County Information at Your Fingertips
Demographics & Population
Access detailed population data, age distributions, education levels, income statistics, and household information sourced directly from the U.S. Census Bureau.
Economic Indicators
Explore unemployment rates, median household income, poverty statistics, housing costs, and labor force participation data for informed economic analysis.
Geographic Details
View interactive maps, county boundaries, neighboring regions, total area, population density, and precise coordinates for every county.
Featured Counties
From the most populous urban centers to the smallest rural communities, explore the incredible diversity of American counties.
Los Angeles County
California
Most populous county with over 10 million residents
Loving County
Texas
Least populous county with just 64 residents
San Bernardino County
California
Largest county by area in the contiguous US
New York County
New York
Home to Manhattan, the economic heart of America
Interactive County Explorer
Click and explore our interactive map to discover detailed information about any county. Zoom in for street-level detail or zoom out for a nationwide perspective.
Why Use CountyMap?
Comprehensive Data Coverage
Every U.S. county with 50+ data points including demographics, economics, geography, and more.
Real-Time Government Data
Sourced directly from U.S. Census Bureau, BLS, and other official government databases.
Easy Comparison Tools
Compare multiple counties side-by-side to make informed decisions about relocation or investment.
Free & Accessible
No registration required. Access all county data instantly and completely free.
Who Uses CountyMap?
Researchers & Students
Academic research, demographic studies, and educational projects
Real Estate Professionals
Market analysis, investment decisions, and client consultations
Business Owners
Site selection, market research, and expansion planning
Individuals & Families
Relocation research, community comparison, and local insights
Understanding U.S. Counties
Counties serve as vital administrative divisions in the United States, functioning as the primary geographic and political subdivisions of states. With 3,221 counties and county-equivalents across the nation, these entities play crucial roles in local governance, service delivery, and community organization.
The Role of Counties in American Life
Counties handle essential services including law enforcement through sheriff's departments, property assessment and tax collection, vital records (birth and death certificates), elections administration, and often public health services. In many states, counties also manage schools, libraries, parks, and infrastructure maintenance.
County Diversity Across America
American counties showcase remarkable diversity. Los Angeles County, California, houses over 10 million residents, while Loving County, Texas, is home to just 64 people. San Bernardino County spans 20,105 square miles, larger than the states of New Jersey, Connecticut, Delaware, and Rhode Island combined. Meanwhile, Arlington County, Virginia, covers just 26 square miles.
Historical Evolution
The county system traces its roots to the English shire system, first established in Virginia in 1634. As America expanded westward, counties were created to provide local government in frontier territories. Some counties have been divided, merged, or renamed over the centuries, creating a rich tapestry of local history and identity.
Start Exploring America's Counties
Whether you're researching for business, education, or personal interest, CountyMap provides the comprehensive data you need.