US Census Data

Cowlitz County vs Lewis County

A side-by-side comparison of Cowlitz County and Lewis County: population, income, housing, and more.

Cowlitz County and Lewis County are counties in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Cowlitz County has the higher population (111,539 vs 83,925 in Lewis County). Cowlitz County has the higher median household income ($72,932 vs $69,690 in Lewis County). Cowlitz County has the higher median home value ($367,400 vs $341,500 in Lewis County).

Population, income & housing

Cowlitz CountyLewis County
Population111,53983,925
Median age41.1 yrs42.4 yrs
Median household income$72,932$69,690
Median home value$367,400$341,500
Median gross rent$1,169$1,044
Housing units45,88436,037
Homeownership rate66.2%74.2%
Bachelor's degree or higher17.0%20.2%
Unemployment rate5.1%5.9%

Trends (ACS 5-year, 2019–2023)

Cowlitz CountyLewis County
Population106,778 → 111,539 (+4.5%)78,145 → 83,925 (+7.4%)
Median household income$54,506 → $72,932 (+33.8%)$53,484 → $69,690 (+30.3%)
Median home value$219,300 → $367,400 (+67.5%)$209,600 → $341,500 (+62.9%)
Median gross rent$854 → $1,169 (+36.9%)$876 → $1,044 (+19.2%)

Cowlitz County

Population
106,778111,539
Median household income
$54,506$72,932
Median home value
$219,300$367,400
Median gross rent
$854$1,169

Lewis County

Population
78,14583,925
Median household income
$53,484$69,690
Median home value
$209,600$341,500
Median gross rent
$876$1,044

Age & race/ethnicity

Age distribution (share)

Cowlitz CountyLewis County
Under 55.7%5.6%
5 to 1716.9%16.0%
18 to 247.5%7.0%
25 to 3412.7%12.0%
35 to 4412.2%12.2%
45 to 5411.9%11.7%
55 to 6413.6%14.2%
65 to 7411.7%12.9%
75 and over7.8%8.3%

Race & ethnicity (share)

Cowlitz CountyLewis County
White (non-Hispanic)80.6%80.6%
Black or African American0.7%0.6%
American Indian & Alaska Native0.7%0.8%
Asian1.2%1.0%
Native Hawaiian & Pacific Islander0.3%0.2%
Some other race0.5%0.6%
Two or more races5.9%4.9%
Hispanic or Latino10.2%11.2%

Educational attainment (age 25+)

Share of adults 25+

Cowlitz CountyLewis County
No high school diploma10.1%9.6%
High school graduate31.4%31.6%
Some college or associate's41.5%38.6%
Bachelor's degree11.5%13.4%
Graduate or professional degree5.5%6.8%

Commute to work

How workers get to work (share)

Cowlitz CountyLewis County
Drove alone82.6%73.6%
Carpooled7.2%12.1%
Public transit0.5%0.5%
Walked1.0%3.8%
Bicycle0.3%0.1%
Worked from home7.3%8.6%
Other means1.1%1.3%

Housing

Units in structure (share)

Cowlitz CountyLewis County
1-unit, detached68.1%70.3%
1-unit, attached2.2%1.6%
2 to 4 units5.9%4.3%
5 to 19 units6.8%2.7%
20 or more units7.2%4.2%
Mobile home & other9.7%17.0%

Poverty & households

Cowlitz CountyLewis County
Poverty rate13.0%13.0%
Average household size2.542.57
Mean commute (minutes)2628
Median year structure built19751979

Full profiles

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