Below are a list of the cities located in Columbia County, WA. There are 2 total unique zip codes in Columbia County, Washington. The time zone for Columbia County is the Pacific Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 53013.
The population in Columbia County, WA is currently 4,042. That is a decrease of 0.00% vs the population of 4,078 in 2010.
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