Wikipedia: Johnson County, Iowa
- Encyclopedia article covers geography, demographics and links to localities. With maps.
- http://en.wikipedia.org/wiki/Johnson_County,_Iowa

4Cs Community Coordinated Child Care
- Non-profit organization providing child care and baby-sitter referrals for Johnson and Washington counties. Includes details of services and a calendar of events. Located in Iowa City.
- http://www.iowa4cs.com/

Pharmacy Matters
- Provides medical supplies and equipment, natural therapies, and compounding laboratory. Includes owner's credentials, hours, directions and map. Located in Iowa City and North Liberty.
- http://www.pharmacy-matters.com/

Johnson County Fair
- Annual July event in Iowa City. Includes calendar of events, information about exhibits, board of directors list, entertainment schedule, and directions.
- http://www.johnsoncofair.com/

United Action for Youth
- Nonprofit organization partnering with youth, parents, and the local community to provide services for all teenagers 12-18 years old. Includes information about services, upcoming events and employment opportunities.
- http://www.unitedactionforyouth.org/

City-Data.com: Johnson 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/Johnson_County-IA.html

Johnson County, Iowa - US Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/19/19103.html

Johnson County Council of Governments
- Metropolitan planning organization providing programs in transportation, human services, and assistance to small communities. Includes list of member agencies, meeting agendas and minutes, and publications. Located in Iowa City.
- http://www.jccog.org/

Iowa City / Coralville Convention and Visitors Bureau
- Promoting the communities as a tourist attraction, convention site and location for special events. Includes information about lodging, sightseeing, dining, shopping, directory of members, calendar of events and maps.
- http://www.iowacitycoralville.org/

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

Johnson County Heritage Trust
- Nonprofit organization committed to the preservation and enjoyment of natural areas in the county and nearby areas. Includes news, profile, history, board of directors list, membership information, planting list and hunting policy. Located in Iowa City.
- http://jcht.org/

Emerald Green Lawncare
- Full service lawn care company serving Iowa City, Coralville and North Liberty. Includes details of services. Located in Martelle.
- http://emeraldgreenlawncare.com/

The Johnson County Archers
- Promotes the sport of bow hunting. Lists club rules, registration information, a schedule of events, and directions. Located in North Liberty.
- http://www.johnsoncountyarchers.com/

Brown Bottle
- Features restaurants located in Iowa City and North Liberty. Includes a history, menu, hours, and directions.
- http://www.iowacitybrownbottle.com/

Johnson County, Iowa
- Provides information about government departments, agendas and minutes, county facts, calendar, forms and office hours and locations.
- http://www.johnson-county.com/