Columbia County Population 2017

Columbia County's estimated population is 3,938 with a growth rate of 0.00% in the past year according to the most recent United States census data. Columbia County is the 38th largest county in Washington.

Year Population Growth Growth Rate
20163,9380.00%
20153,938-30-0.76%
20143,968-47-1.17%
20134,015210.53%
20123,994-21-0.52%
20114,015-90-2.19%
20104,105812.01%
19904,024-33-0.81%
19804,057-382-8.61%
19704,439-130-2.85%
19604,569-291-5.99%
19504,860-689-12.42%
19405,5492244.21%
19305,325-768-12.60%
19206,093-949-13.48%
19107,042-86-1.21%
19007,1284196.25%
18906,709-394-5.55%
18807,1030.00%

Columbia County Population Growth

Population Data via

Columbia County Race Data

Race Population Percentage
White3,69593.83%
Two or More Races942.39%
American Indian and Alaska Native681.73%
Asian441.12%
Black or African American240.61%
Native Hawaiian and Other Pacific Islander130.33%

Columbia County Population Pyramid

0k0k0k0k0kColumbia County Male Population0k0k0k0k0kColumbia County Female Population

Population of Cities in Columbia County

City 2010 Census 2016 Estimated Growth Growth Rate
Dayton25352427-108-4.26%
Starbuck130126-4-3.08%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990