Humboldt Public Library
- Features its history, programs, services, calendar, catalog search and hours.
- http://www.humboldtpubliclibrary.com/

Humboldt Community School District
- Provides mission, board policies, staff directory, parent-student handbook, activity schedule, calendars and lunch menu.
- http://www.humboldt.k12.ia.us/

Wikipedia: Humboldt, Iowa
- Encyclopedia article covers history, geography, and demographics. Includes photograph.
- http://en.wikipedia.org/wiki/Humboldt,_Iowa

Humboldt Municipal Airport - 0K7
- Aeronautical information, including location, operations, communications, runways, instrument procedures, radio frequencies and services, provided by AirNav.
- http://www.airnav.com/airport/0K7

City of Humboldt
- Official guide to local government, city services, and activities for the community.
- http://www.ci.humboldt.ia.us/