Rainier is located in Washington. Rainier, Washington has a population of 2,345. Rainier is less family-centric than the surrounding county with 29.53% of the households containing married families with children. The county average for households married with children is 32.05%.
The median household income in Rainier, Washington is $68,594. The median household income for the surrounding county is $66,113 compared to the national median of $57,652. The median age of people living in Rainier is 33.4 years.
The average high temperature in July is 76.8 degrees, with an average low temperature in January of 33.7 degrees. The average rainfall is approximately 49.4 inches per year, with 10.8 inches of snow per year.