Cowlitz County, WA Population

Overview

109,457

Total Population

40.8

Median age

50.21%

Female population %

99.2:100

Gender ratio (M:F)

60-64 years

Largest age group

61.1

Total dependency ratio

White

Largest racial group

10,44

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Cowlitz County is 40.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Cowlitz County's population under 18 was 22.89%, compared to the 22.51% nationwide.
Cowlitz County's elderly or the senior population (over 65 age) was 18.95% as compared to 16.04% nationwide.
Of the total population in Cowlitz County, 18.97% were under the age of 15, 17.61% aged 15 to 29, 44.47% aged 30 to 64, 16.75% aged 65 to 84, and 2.21% were 85 years of age and older.

There are 459 more females than males in Cowlitz County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.21% females and 49.79% males in Cowlitz County, WA.
The Cowlitz County, WA gender ratio is 99.2:100 i.e. 99.2 men to 100 women (0.992).
For male population, the largest age group is 10-14 years with a population of 3,984.
For the female population, the largest age group is 60-64 years with a population of 4,254.

Cowlitz County's population has become increasingly diverse:

Racial distribution of Cowlitz County population: 86.68% are White, 0.90% are Black or African American, 1.50% are American Indian and Alaska Native, 1.22% are Asian, 0.25% are Native Hawaiian and other Pacific Islander, 2% are some other race and 7.45% are multiracial.
Cowlitz County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 10,44 is Hispanic or Latino (of any race), and 99,017 (90.46% of the total population) is Non-Hispanic.
The largest racial group in Cowlitz County is White with a population of 94,877 (86.68% of the total population).

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

The peak population was 111,956 in the year 2022
From 2000 to 2010, Cowlitz County's population increased by 9,360 (10.06%), as compared to the national growth of 9.63%.
From 2010 to 2020, Cowlitz County's population increased by 8,661 (8.46%), 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, Cowlitz County's population was lowest in year 2000 at 92,998.