City-Data.com: Onawa, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps.
- http://www.city-data.com/city/Onawa-Iowa.html

Wikipedia: Onawa, Iowa
- Encyclopedia article covers geography, demographics and points of interest of this city in Monona County.
- http://en.wikipedia.org/wiki/Onawa,_Iowa

Westendorf
- Manufactures front end loaders and attachments. Includes company profile, product descriptions, FAQs and catalog request form.
- http://www.loaders.com/

Burgess Health Center
- Provides physician and specialty clinics and inpatient services. Includes details, history and mission, news and events, virtual nursery window and job opportunities.
- http://www.burgesshc.org/

Onawa Municipal Airport - K36
- Aeronautical information, including location, operations, communications, runways, instrument procedures, radio frequencies and services, provided by AirNav.
- http://www.airnav.com/airport/K36

On-Ur-Wa RV Park
- Full service campground. Includes list of amenities, rates, photographs, calendar of events and location map.
- http://www.onurwarvpark.com/

Onawa, Iowa
- Provides an overview of the community and features its history, events and attractions, the chamber of commerce, city government, schools, recreation and a business directory.
- http://www.onawa.com/

Onawa Real Estate
- Includes area listings and contact information.
- http://www.onawarealestate.com

ChefMoz: Onawa
- Detailed restaurant listings and dining guide with reviews submitted by the public and links to outside reviews. Search by name, cuisine, rating, or location.
- http://chefmoz.org/United_States/IA/Onawa/

Keel Boats
- Offers restoration and building of replicas of wooden boats, wagons, and 19th century equipment.
- http://www.keelboat.com/