Cowlitz County vs Island County
A side-by-side comparison of Cowlitz County and Island County: population, income, housing, and more.
Cowlitz County and Island 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 86,747 in Island County). Island County has the higher median household income ($88,358 vs $72,932 in Cowlitz County). Island County has the higher median home value ($535,300 vs $367,400 in Cowlitz County).
Population, income & housing
| Cowlitz County | Island County | |
|---|---|---|
| Population | 111,539 | 86,747 |
| Median age | 41.1 yrs | 44.5 yrs |
| Median household income | $72,932 | $88,358 |
| Median home value | $367,400 | $535,300 |
| Median gross rent | $1,169 | $1,631 |
| Housing units | 45,884 | 42,398 |
| Homeownership rate | 66.2% | 74.6% |
| Bachelor's degree or higher | 17.0% | 35.7% |
| Unemployment rate | 5.1% | 4.7% |
Trends (ACS 5-year, 2019–2023)
| Cowlitz County | Island County | |
|---|---|---|
| Population | 106,778 → 111,539 (+4.5%) | 82,866 → 86,747 (+4.7%) |
| Median household income | $54,506 → $72,932 (+33.8%) | $68,604 → $88,358 (+28.8%) |
| Median home value | $219,300 → $367,400 (+67.5%) | $358,800 → $535,300 (+49.2%) |
| Median gross rent | $854 → $1,169 (+36.9%) | $1,218 → $1,631 (+33.9%) |
Cowlitz County
106,778111,539
$54,506$72,932
$219,300$367,400
$854$1,169
Island County
82,86686,747
$68,604$88,358
$358,800$535,300
$1,218$1,631
Age & race/ethnicity
Age distribution (share)
| Cowlitz County | Island County | |
|---|---|---|
| Under 5 | 5.7% | 4.9% |
| 5 to 17 | 16.9% | 12.7% |
| 18 to 24 | 7.5% | 8.6% |
| 25 to 34 | 12.7% | 12.8% |
| 35 to 44 | 12.2% | 11.7% |
| 45 to 54 | 11.9% | 9.6% |
| 55 to 64 | 13.6% | 13.7% |
| 65 to 74 | 11.7% | 15.7% |
| 75 and over | 7.8% | 10.4% |
Race & ethnicity (share)
| Cowlitz County | Island County | |
|---|---|---|
| White (non-Hispanic) | 80.6% | 76.6% |
| Black or African American | 0.7% | 2.6% |
| American Indian & Alaska Native | 0.7% | 0.7% |
| Asian | 1.2% | 4.8% |
| Native Hawaiian & Pacific Islander | 0.3% | 0.4% |
| Some other race | 0.5% | 0.2% |
| Two or more races | 5.9% | 6.2% |
| Hispanic or Latino | 10.2% | 8.5% |
Educational attainment (age 25+)
Share of adults 25+
| Cowlitz County | Island County | |
|---|---|---|
| No high school diploma | 10.1% | 4.1% |
| High school graduate | 31.4% | 21.9% |
| Some college or associate's | 41.5% | 38.3% |
| Bachelor's degree | 11.5% | 21.5% |
| Graduate or professional degree | 5.5% | 14.3% |
Commute to work
How workers get to work (share)
| Cowlitz County | Island County | |
|---|---|---|
| Drove alone | 82.6% | 69.7% |
| Carpooled | 7.2% | 9.9% |
| Public transit | 0.5% | 1.9% |
| Walked | 1.0% | 3.3% |
| Bicycle | 0.3% | 0.4% |
| Worked from home | 7.3% | 13.8% |
| Other means | 1.1% | 1.0% |
Housing
Units in structure (share)
| Cowlitz County | Island County | |
|---|---|---|
| 1-unit, detached | 68.1% | 78.5% |
| 1-unit, attached | 2.2% | 3.1% |
| 2 to 4 units | 5.9% | 5.5% |
| 5 to 19 units | 6.8% | 4.4% |
| 20 or more units | 7.2% | 1.9% |
| Mobile home & other | 9.7% | 6.7% |
Poverty & households
| Cowlitz County | Island County | |
|---|---|---|
| Poverty rate | 13.0% | 7.0% |
| Average household size | 2.54 | 2.37 |
| Mean commute (minutes) | 26 | 27 |
| Median year structure built | 1975 | 1990 |
Full profiles
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