Cost of living in Rock Island, WA

Rock Island is a Census city in Douglas County, WA. ACS 2024 5-year population is 1,251. Median gross rent is $1,143 (ACS 2024 5-year, this place). Median home value is $273,500. Median household income is $69,861. Insurance is the NAIC state average; food is a USDA plan — no town indexes.