They Are Geniuses
The name of the town in the movie is Mayberry.
Seahaven Island
the name suggests that the town is barren, lifeless without joy
Archer, Texas
According to the town history at the official website, Eureka is located in "a remote area of the Pacific Northwest." I'm pretty sure I've spied a map while watching the show that indicates it's in Washington state...but of course, that's unofficial information. ;) (Update: in the 12.07.10 episode "O Little Town", a road sign shown onscreen in the opening minutes (a flashback scene, as the character Sheriff Jack Carter recounts a story to a few snowbound kids in Cafe Diem) partially reads "Eureka Oregon").
Eureka, CA Edgewater, FL El Paso, TX
The Eureka stockade was a temporary stockade, not a town with any sort of population.
They Are Geniuses
The Eureka Stockade took place in Ballarat.
For the british among us a town called eureka is on sky one on a Tuesday night
The makeshift defence known as the Eureka Stockade was built in the gold-mining town of Ballarat, in Victoria, Australia.
New York
They are geniuses
I think it's called a "boomtown." A good example is present day Eureka, California. EUREKA!
lazy town
It was announced on July 24, 2009 that the show had been picked up for a 22 episode fourth season, set to air in mid-2010.