Columbia County, OR Population

Overview

52,381

Total Population

43.3

Median age

49.65%

Female population %

101.4:100

Gender ratio (M:F)

60-64 years

Largest age group

56.0

Total dependency ratio

White

Largest racial group

3,007

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Columbia County's population is old compared to the rest of the country:

The median age in Columbia County is 43.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Columbia County's population under 18 was 20.93%, compared to the 22.51% nationwide.
Columbia County's elderly or the senior population (over 65 age) was 18.87% as compared to 16.04% nationwide.
Of the total population in Columbia County, 17.04% were under the age of 15, 16.56% aged 15 to 29, 47.52% aged 30 to 64, 17.02% aged 65 to 84, and 1.85% were 85 years of age and older.

There are 367 less females than males in Columbia County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.65% females and 50.35% males in Columbia County, OR.
The Columbia County, OR gender ratio is 101.4:100 i.e. 101.4 men to 100 women (1.014).
For male population, the largest age group is 55-59 years with a population of 1,976.
For the female population, the largest age group is 60-64 years with a population of 2,253.

Columbia County's population has become increasingly diverse:

Racial distribution of Columbia County population: 89.63% are White, 0.50% are Black or African American, 0.84% are American Indian and Alaska Native, 0.77% are Asian, 0.36% are Native Hawaiian and other Pacific Islander, 1.03% are some other race and 6.87% are multiracial.
Columbia County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 3,007 is Hispanic or Latino (of any race), and 49,374 (94.26% of the total population) is Non-Hispanic.
The largest racial group in Columbia County is White with a population of 46,948 (89.63% of the total population).

Columbia County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 53,588 in the year 2022
From 2000 to 2010, Columbia County's population increased by 5,705 (13.07%), as compared to the national growth of 9.63%.
From 2010 to 2020, Columbia County's population increased by 3,377 (6.84%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Columbia County's population was lowest in year 2000 at 43,648.