Columbia County, WA

Comprehensive geographic, population, and economic data for Columbia County in Washington.

Total ZIP Codes 2

Total Population 3,740

Avg Household Income $66,878

Avg Home Value $270,659

Largest Cities in Columbia County

ZIP Code	City	Population
99328	Dayton	3,646
99359	Starbuck	94

Alto Pop: 3,646

Baileysburg Pop: 3,646

Covello Pop: 3,646

Dayton Pop: 2,774

Delaney Pop: 3,646

Dumas Pop: 3,646

Huntsville Pop: 3,646

Jackson Pop: 3,646

Long Pop: 3,646

Marengo Pop: 2,512

McKay Pop: 1,992

Menoken Pop: 1,992

Mountain Home Park Pop: 3,646

Mountain Top Pop: 3,646

Patit Pop: 3,646

Powers Pop: 94

Relief Pop: 3,646

Ronan Pop: 3,646

Starbuck Pop: 93

Tucannon Pop: 3,646

Turner Pop: 3,646

Varna Pop: 3,646

Whetstone Pop: 3,646

99328 Dayton

99359 Starbuck