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Lewis County, WA Demographics

Lewis County, WA is the 16th most populous of 39 counties in Washington, with 82,149 residents across 2,403 square miles. That is about 34 people per square mile.

At the 2020 census

Population 82,149
Land area 2,403 sq mi
Density 34 / sq mi

Data: 2020 Census · American Community Survey 2024

How Lewis County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Lewis County, WA

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Lewis County, WA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Lewis County, WA

Name Population Sq mi Per sq mi
Census Tract 9704 6,266 13.8 456
Census Tract 9713 5,983 41.2 145
Census Tract 9703 5,577 5.8 957
Census Tract 9717 5,079 257.7 20
Census Tract 9715.02 4,860 264.4 18
Census Tract 9718 4,612 432.1 11
Census Tract 9711 4,398 136.0 32
Census Tract 9708 4,306 14.6 295
Census Tract 9707 4,284 5.0 864
Census Tract 9716 4,046 70.5 57
Census Tract 9702 4,033 13.2 306
Census Tract 9712 3,828 55.1 69
Census Tract 9701 3,670 174.1 21
Census Tract 9710 3,208 3.6 898
Census Tract 9714 2,923 21.2 138
Census Tract 9720 2,877 675.1 4
Census Tract 9719 2,865 208.6 14
Census Tract 9715.01 2,802 8.7 323
Census Tract 9705 2,304 1.0 2,409
Census Tract 9706 2,220 0.5 4,920
Census Tract 9709 2,008 0.9 2,279

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →