County governments are the members of NACo. Once a county is a member, the benefits extend to all of the county's officials and staff. Learn more and become a NACo member today

How to Join

NACo membership is an investment in your county's future because the association works to ensure that counties have the resources, skills and support needed to successfully lead their communities into the future. Your county's membership with NACo saves you and your county time and money and helps you grow professionally.

  • NACo's Programs and Services offer your county unique opportunities to help your residents, your employees and your county meet the needs of the future.

  • NACo's advocacy represents you and your county in Washington, DC and speaks with one voice representing the interests of the nation's counties and their residents.

  • Education and personal development helps you better serve your county by giving you countless opportunities to learn and grow through conferences, webinars, forums, and other networking opportunities.

  • Research materials and data provide information about counties and what they do including demographics, sample ordinances and model county programs, as well as data of all kind.

  • Communications allow you to stay current about essential information. NACo can save you time and provide you with exactly what you need through the NACo web site, County News, blog posts, podcasts, issue specific newsletters, and social networking sites such as Facebook, Twitter, LinkedIn, and YouTube.

The National Association of Counties (NACo) unites America's 3,069 county governments. Founded in 1935, NACo brings county officials together to advocate with a collective voice on national policy, exchange ideas and build new leadership skills, pursue transformational county solutions, enrich the public's understanding of county government and exercise exemplary leadership in public service.


Member Counties
100 Percent States

NACo is Proud to Recognize our States with 100% Membership:

Learn About the Benefits of Membership & ​Join Today!

For more information on county membership or to join NACo, contact:

Membership Contact

Stronger Counties. Stronger America.

About NACo

The National Association of Counties (NACo) strengthens America’s counties, serving nearly 40,000 county elected officials and 3.6 million county employees.  Founded in 1935, NACo unites county officials to:

  • Advocate county priorities in federal policymaking
  • Promote exemplary county policies and practices
  • Nurture leadership skills and expand knowledge networks
  • Optimize county and taxpayer resources and cost savings, and
  • Enrich the public’s understanding of county government.


Strengthen America’s counties.


Healthy, safe and vibrant counties across America.