Complex sentence: He came in fifth, receiving about 53,000 votes, the majority of which (over 30,000) came from the state of Washington, where he polled 4.9% of the overall vote.
Split into simpler sentences: He came in fifth, receiving about 53,000 votes. This included over 30,000 votes in the state of Washington alone, where he polled 4.9% of the overall vote.