Complex sentence: Most of Marshallese residents in U.S. living in the states of Hawaii and Arkansas, home (it last) to approximately of 4,300 or 6,000 Marshallese, according different estimations, who residing mostly in Washington County (mainly in Springdale).
Split into simpler sentences: Most of Marshallese residents in U.S. living in the states of Hawaii and Arkansas. So, Arkansas is home of approximately 4,300 or 6,000 Marshallese, according different estimations, who residing mostly in Washington County (mainly in Springdale).