868 in the USA according to the dealer locator.
There are very good Harley-Davidson dealers all around the US. Some of the best dealers are found in Plainfield, Indianapolis, EL Paso, Texas, Lauerl, Maryland, and Orlando, FL. These states hold some of the largest selections in the states.
According to the Harley-Davidson website (http://www.harley-davidson.com/) there are 32 Harley-Davidson dealers in North Carolina. You can see a listing of the dealers at http://go.mappoint.net/HarleyDavidson/PrxResults.aspx?LL=en-US&AD4=USA&brand=h&FC=MotorCycles&NR=10&FC=NoBike&GSTATE=NC&State=NC&statesearch=1
450,000,000
1,000,000
US Harley Davidson fairings can be purchased online from Harleydavidsonfairing, Buymotorcyclefairings, and Rifle. Harley Davidson fairings can also be purchased from places like eBay.
You can buy cheap Harley Davidson stuff in Indianapolis at Indianapolis Southside Harley Davidson & Buell, they sell bikes, parts & accessories as well as general merchandise.
Harley Davidson, Victory, and Indian
Harley Davidson toys can be purchased from a variety of merchants. They can be purchased both online and in person at toy retailers such as Toys R Us, online at Amazon, and also directly through Harley Davidson's merchandise website.
There are many different places a US resident could get a credit line for a Harley Davidson product. First Union, Wells Fargo and Citibank are all banks that may offer a loan.
Between US $11.00 & US $20.00 if it is mint in box.
California
That depends a lot on your definition of "made for production". The last single made in the US by Harley was the 1922 CD but the very last singles to wear the Harley-Davidson name were the 1978 Aermacchi SS-250 and SST-250 models, made in Italy but with the words "AMF Harley-Davidson" on the tank.