Columbia County, Oregon
Demographics

Columbia County, Oregon

Section Title: Demographics
Table Section Text: None

Historical population

Census	Pop.	%±

1860	532	—

1870	863	62.2%

1880	2,042	136.6%

1890	5,191	154.2%

1900	6,237	20.2%

1910	10,580	69.6%

1920	13,960	31.9%

1930	20,047	43.6%

1940	20,971	4.6%

1950	22,967	9.5%

1960	22,379	−2.6%

1970	28,790	28.6%

1980	35,646	23.8%

1990	37,557	5.4%

2000	43,560	16.0%

2010	49,351	13.3%

Est. 2016	50,785	2.9%

U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2016

Sentence(s)

As of the 2010 census, the population of Columbia County was 49,351.

final_sentence: As of the 2010 census, the population of Columbia County was 49,351.