Population of Columbia County, Washington (County)

Map of Population by County Subdivision in Columbia County

Map of Population by Block Group in Columbia County

Population by Place in Columbia County

There are 2 places in Columbia County. This section compares all 2 of those to each other.

Population by County Subdivision in Columbia County

There are 2 county subdivisions in Columbia County. This section compares all 2 of those to each other.

Population by County in the Walla Walla Area

There are 2 counties in the Walla Walla Area. This section compares Columbia County to all of the counties in the Walla Walla Area.

Population by County in Washington

There are 39 counties in Washington. This section compares Columbia County to all of the counties in Washington.

Population by County in the United States

There are 3,142 counties in the United States. This section compares Columbia County to the 50 most populous counties in the United States. The least populous of the compared counties has a population of 941,618.

Definitions

This page reports on the population distribution in Columbia County, both in terms of raw head counts, and in terms of population density per square mile.

• Population: count of all residents of the given entity at the time of the survey, excluding visitors
• Population Density: population divided by the total land area of the entity (i.e., excluding water areas contained in the entity)

For additional information about the data presented on this site, including our sources, please see the About Page.