Complex sentence: At the 2010 census, its population was 1,462,383 even though its built-up ("or metro") area with Yuyao City had 2,473,042 inhabitants.
Split into simpler sentences: At the 2010 census, its population was 1,462,383. Its urban agglomeration built-up ("or metro") area, essentially contiguous with Yuyao, had 2,473,042 inhabitants.