Sponsored Topics. Centerville is a city in and the county seat of Appanoose County, Iowa, United States. The population was 5,528 in the 2010 census, a decline from 5,924 in the 2000 census. After the turn of the 20th century Centerville had a booming coal mining industry that attracted many European immigrants.
How 2017 Sales taxes are calculated in Washington. The state general sales tax rate of Washington is 6.5%. Cities and/or municipalities of Washington are allowed to collect their own rate that can get up to 3.4% in city sales tax.
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Washington has a 6.50% sales tax and Cowlitz County collects an additional 1.30%, so the minimum sales tax rate in Cowlitz County is 7.8% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Cowlitz County, including all local taxes.