US ZIP Code Map

County

Columbia County, WA ZIP codes

5 ZIPs, including 99328, 99359 as county.

ACS population

9,702

Median household income

$70,329

Median home value

$220,060

Map of Columbia County

ZIP code map

ZIP share of this county

Population share

ZIP codes in Columbia County

ZIPCityCountyPopulationIncome
99328DaytonColumbia County3,595$72,233
99347PomeroyGarfield County2,467$61,741
99348PrescottWalla Walla County1,733$76,431
99359StarbuckColumbia County107$49,500
99361WaitsburgWalla Walla County1,800$91,742