Profile for Colusa County
- Includes government officials and county offices, list of cities in the county, population estimates, lookup for Federal campaign contributions, links to other information.
- http://www.capitolimpact.com/gw/cntydetail.asp?state=ca&stfips=06&stname=California&fips=06011

QuickFacts from the US Census Bureau
- Quick overview of population and demographics, plus link to detailed population, demographic, economic and housing information based on census data from 1990 through 1998.
- http://quickfacts.census.gov/qfd/states/06/06011.html

Colusa County Public Works
- Includes contact information, informational manuals, road closures, and local links of interest.
- http://www.ccdpw.com/

MapStats: Colusa County
- County statistics collected by the Federal Interagency Council on Statistical Policy, including agriculture, census, business, crime, energy and environment, and general profile.
- http://www.fedstats.gov/qf/states/06/06011.html

County Data Page
- Government contact information, elected officials, some with email addresses, list of cities, links to census data. From the National Association of Counties.
- http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/county.cfm&id=6011