I say the #1 Husker fan club outside of the state isn't in one particular place, but has one thing in common - they wear the military uniform of the United States. Not just on any given Saturday (or Sunday, depending on what weird time zone you are in), but 24/7, 365 they represent the best the state has to offer, and bleed Scarlet and Cream.
After leaving Benkelman HS (now Dundy County-Stratton) and going straight into the Navy, I either formed or joined mini Husker fan clubs in Maryland, West Texas, Cyprus, Spain, Greece, Crete, Scotland, Lebanon, Iraq, and Egypt, and on numerous afloat mini-cities. I remember getting special permission to keep the base club in Spain open late on 1/1/84 to watch Tom go for two and the outright championship. I hated sub duty during football season because we were sooo out of touch, but the weekly "fam-gram" from the wife would always included the last score. Surface ships weren't so bad, and being in communications, I had access to fellow fans ashore who sometimes could pipe the audio to us, or send us semi-current game play updates over different comms systems.
That is how C.R.A.B.S. began in the mid-90s when I relocated to Maryland, and began running into other military folks from Nebraska, and even some who weren't but had been stationed at Offutt and it had all rubbed off on them. We now have over 50 members on our roster. Some are retired and decided to stay in this area, like me; some are still wearing the uniform locally, and some are overseas and on ships worldwide. In today's world of real-time communications, I can send out an announcement about an upcoming game watch party and get a "have a good time" answer back from a member on an aircraft carrier the next day.
So while I envy you in large fan base locations like SoCal, my vote for the largest Husker fan base outside the state goes to our military forces worldwide.
