The National Parkinson Foundation maintains a site of local Parkinson's disease support groups throughout the United States. Visitors to the site can search by state or by proximity to their ZIP code (e.g. 25 miles).

http://www.parkinson.org/NETCOMMUNITY/Page.aspx?pid=302&srcid=201

Parkinson’s Disease Support Groups
Need the name of a PD support group in your area? Here are three options:
These support groups are provided as a service to patients and healthcare professionals interested in additional information. These support groups are not a part of Focus on a Cure. The content and materials available through these organizations are not necessarily endorsed by Focus on a Cure. You should always consult with your physician or healthcare professional before beginning any treatment program.

Parkinson’s Disease Foundation (PDF) Phone: (212) 923-4700 Instructions: Call the Foundation and ask for the Help Center. They can provide you with a referral. American Parkinson Disease Association (APDA) Phone: (800) 223-2732 Instructions: Call the APDA and connect to x117 for the Referral Center. They can provide you with a referral. National Parkinson Foundation (NPF) Phone: (800) 327-4545 Instructions: Call the NPF and ask for a referral from the receptionist. If you’d prefer to get a referral through their Web site, go to www.parkinson.org and click on “Find a Resource.” Using your mouse, select the option that says “Support Groups” and then type in your information into the online form. After you submit your information, you will be shown the results of your search.

Other Sources of Support: Doctors, Counselors, and Friends
Some other good sources of support include doctors’ offices, counselors, social workers, and the Internet. Ask your doctor for information on Parkinson's disease support groups in your area. Also, ask for the phone numbers of social workers, counselors, or hospitals in your area. Those numbers may also lead you to support options.