Wikipedia: Clinton County, Iowa
- Encyclopedia article features geography, demographics and links to cities and towns. Includes maps.
- http://en.wikipedia.org/wiki/Clinton_County,_Iowa

City-Data.com: Clinton County, Iowa
- Profiles population demographics, jobs, housing, agriculture and crime statistics. Contains a list of recreational areas, churches, cemeteries, post offices, charts, graphs and maps.
- http://www.city-data.com/county/Clinton_County-IA.html

Clinton County , Iowa - US Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/19/19045.html

Pillers and Richmond, Attorneys at Law
- Focusing on business and corporate law, probate and estate planning, real estate, family law and civil litigation. Includes profiles, maps and resource links. Located in Clinton and DeWitt.
- http://www.pillerslaw.com/

Iowa State University Extension - Clinton County
- Offers agricultural, business, family and 4-H programs and resources. Includes staff directory, news, events, hours and directions. Located in DeWitt.
- http://www.extension.iastate.edu/clinton/

Central Community Schools of Clinton County
- Provides information about the district, calendar, athletic schedules, menus, departments, curriculum, faculty directories, job application form, class reunions and links to the buildings. Located in DeWitt.
- http://www.central-clinton.k12.ia.us/

Calendar of Events - ISUE
- A list of planned events for Clinton County by the Iowa State University Extension Office.
- http://www.extension.iastate.edu/calendar/ShowList.asp?County=Clinton

Clinton County Conservation Board
- Makes available to the public, parks, preserves, forests, wildlife and conservation areas. Includes a history, a directory of officials and services and newsletters.
- http://www.clintoncountyiowa.com/conservation/

Clinton County Area Solid Waste Agency
- Gives details about landfill rates, recycling, composting, and educational programs. Includes its history, board minutes and a calendar of events. Located in Clinton.
- http://www.ccaswa.org/

GatewayFSBO.net
- Offering for sale by owner residential properties. Includes listings, details of services provided, calculators and a contact form.
- http://www.gatewayfsbo.net

Clinton Humane Society
- Includes a list of adoptable pets, an adoption policy, educational programs, volunteer opportunities, and a donation list.
- http://www.clintonhs.com/

Gateway State Bank
- Offers personal and savings account, loan, investment and other bank services with offices in Clinton, Goose Lake, and Charlotte, Iowa.
- http://www.gatewaysb.com

Clinton County Districts
- Provides contact information for State Representatives and Senators for Clinton County.
- http://www2.legis.state.ia.us/GA/78GA/Counties/Clinton.html