Lewis County, WA Population

Overview

81,214

Total Population

42.5

Median age

49.57%

Female population %

101.7:100

Gender ratio (M:F)

60-64 years

Largest age group

62.7

Total dependency ratio

White

Largest racial group

8,881

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Lewis County is 42.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Lewis County's population under 18 was 21.75%, compared to the 22.51% nationwide.
Lewis County's elderly or the senior population (over 65 age) was 20.69% as compared to 16.04% nationwide.
Of the total population in Lewis County, 17.86% were under the age of 15, 17.12% aged 15 to 29, 44.33% aged 30 to 64, 18.49% aged 65 to 84, and 2.20% were 85 years of age and older.

There are 700 less females than males in Lewis County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.57% females and 50.43% males in Lewis County, WA.
The Lewis County, WA gender ratio is 101.7:100 i.e. 101.7 men to 100 women (1.017).
For male population, the largest age group is 55-59 years with a population of 3,178.
For the female population, the largest age group is 60-64 years with a population of 3,347.

Lewis County's population has become increasingly diverse:

Racial distribution of Lewis County population: 86.21% are White, 0.66% are Black or African American, 0.77% are American Indian and Alaska Native, 1.17% are Asian, 0.18% are Native Hawaiian and other Pacific Islander, 2.42% are some other race and 8.60% are multiracial.
Lewis County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 8,881 is Hispanic or Latino (of any race), and 72,333 (89.06% of the total population) is Non-Hispanic.
The largest racial group in Lewis County is White with a population of 70,011 (86.21% of the total population).

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

The peak population was 85,370 in the year 2022
From 2000 to 2010, Lewis County's population increased by 6,906 (10.07%), as compared to the national growth of 9.63%.
From 2010 to 2020, Lewis County's population increased by 7,053 (9.34%), 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, Lewis County's population was lowest in year 2000 at 68,597.