There's a notable Chinese immigrant population in the Mississippi Delta that has been present since the 1860s, so much so that the largest cities in the Mississippi Delta (i.e., Clarksdale, Greenville) had separate classes in public schools for Chinese students as recently as the 1950s.
I've been wanting to do more research on this, but the 1991 Mira Nair film
Mississippi Masala depicts the Delta as a destination for several Ugandan Indian families following their
expulsion by Idi Aman in 1971. Even if it was only a few families, it would still be somewhat historically significant.