THE TINY TOWN: Coupeville, WashingtonTHE TINY TOWN: Coupeville, WashingtonCoupeville is the second oldest town in Washington. By the way, Steilacoom is the oldest town in Washington, with a population over 6,000. Coupeville sits on Whidbey Island, tucked away in the Penn Cove.Mav3rickMav3rick