Korea's recent global rise in profile is sometimes referred to as "The Korean Wave" or Hallyu. Back in the early 1990s, Korean Drama underwent an explosive growth in popularity around East and Southeast Asia as well as in cities like Los Angeles, with large immigrant populations from these regions. Soon, Korean movies (beginning with Shiri) gained an audience among American critics who'd previously (with close-minded, snobbish prejudice) limited their viewings of Asian films to critically-canonized Japanese and/or (1980s) Chinese productions. And Hollywood has taken notice too, remaking numerous K-Horror films, the romcom My Sassy Girl, and the magic-mailbox drama The Lake House.
I'm told Korean music grew in popularity too. I guess I know a couple of non-Koreans who listen to K-Pop. Whilst flipping through the unparalleled multiculturalism of Los Angeles' AM radio band, I've occasionally stumbled across Radio Seoul (AM 1650) and Radio Korea (AM 1230). Just judging from the cadence and character of AM radio in general, I'd guess that the majority is Christian in nature, but they do occasionally play Korean pop music. Last year at the Hollywood Bowl, K-Pop was showcased in a program featuring BoA, Epik High, Fly to the Sky, Ivy and Super Junior.