Over the course of my tenure in emergency management I've been involved with some successful and also "unsuccessful" logo design ventures. You can easily spend $3-5K for a logo design from a local company.
Enter
99 designs which is a crowd sourced design platform that lets multiple designers create various options for you. If you don't like any of them--you don't pay! All of this is done at a fraction of the cost of the typical logo design cost.
So, for your personal, public education or other needs, check it out!
Eric Holdeman is a contributing writer for Emergency Management magazine and is the former director of the King County, Wash., Office of Emergency Management.