Cities in Marin County
- From CapitolImpact, a list of the largest cities in the county, with links to government information for each.
- http://www.capitolimpact.com/gw/citylist.asp?state=ca&stname=California&stfips=06&list=06041&Title=Marin%20County&sk=C

County Data Page
- List compiled by the National Association of Counties based on US Postal Service mail delivery. Includes many small communities and unincorporated areas.
- http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/citiescounty.cfm&countyid=6041