There is even a larger community of them in Salt Lake City who were helped to settle their by sympathetic Mormons whose ancestors had been kicked out of their own homes about a century earlier.
I'm not sure how many other places in the nation have similar Japanese American communities, but I do know that, with few exceptions, they've been an asset to their communities.
People in flyover country tend to judge people by what they can do rather than by the artificial platitudes of diversity. It was no coincidence that Booker T. Washington picked some little hick town in Alabama to found his great university rather than some glorious melting pot of diversity like New York City where more African Americans were lynched during three days of draft rioting than in any of the three worst years in the entire South.
From what I’ve read, relocation was for the West and part of the Gulf coasts. Some Italian-Americans were forced to relocate for a few months and many more were subject to an exclusion policy which forced them but a few miles inland.
It’s been said that none of this applied to the East Coast due to the political clout and sheer numbers of East Coast Italians. Many did, however, have to carry ID cards. That may have included my father, an Italian immigrant-citizen, but I don’t know.