US Census Data

Grays Harbor County vs Island County

A side-by-side comparison of Grays Harbor County and Island County: population, income, housing, and more.

Grays Harbor 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.

Island County has the higher population (86,747 vs 76,397 in Grays Harbor County). Island County has the higher median household income ($88,358 vs $63,539 in Grays Harbor County). Island County has the higher median home value ($535,300 vs $279,500 in Grays Harbor County).

Population, income & housing

Grays Harbor CountyIsland County
Population76,39786,747
Median age44.7 yrs44.5 yrs
Median household income$63,539$88,358
Median home value$279,500$535,300
Median gross rent$1,018$1,631
Housing units36,56842,398
Homeownership rate72.6%74.6%
Bachelor's degree or higher17.6%35.7%
Unemployment rate6.6%4.7%

Trends (ACS 5-year, 2019–2023)

Grays Harbor CountyIsland County
Population72,779 → 76,397 (+5.0%)82,866 → 86,747 (+4.7%)
Median household income$51,240 → $63,539 (+24.0%)$68,604 → $88,358 (+28.8%)
Median home value$178,800 → $279,500 (+56.3%)$358,800 → $535,300 (+49.2%)
Median gross rent$775 → $1,018 (+31.4%)$1,218 → $1,631 (+33.9%)

Grays Harbor County

Population
72,77976,397
Median household income
$51,240$63,539
Median home value
$178,800$279,500
Median gross rent
$775$1,018

Island County

Population
82,86686,747
Median household income
$68,604$88,358
Median home value
$358,800$535,300
Median gross rent
$1,218$1,631

Age & race/ethnicity

Age distribution (share)

Grays Harbor CountyIsland County
Under 54.7%4.9%
5 to 1715.3%12.7%
18 to 246.7%8.6%
25 to 3411.7%12.8%
35 to 4412.0%11.7%
45 to 5411.7%9.6%
55 to 6415.1%13.7%
65 to 7414.5%15.7%
75 and over8.3%10.4%

Race & ethnicity (share)

Grays Harbor CountyIsland County
White (non-Hispanic)77.3%76.6%
Black or African American1.6%2.6%
American Indian & Alaska Native3.7%0.7%
Asian1.2%4.8%
Native Hawaiian & Pacific Islander0.4%0.4%
Some other race0.2%0.2%
Two or more races4.7%6.2%
Hispanic or Latino10.8%8.5%

Educational attainment (age 25+)

Share of adults 25+

Grays Harbor CountyIsland County
No high school diploma9.7%4.1%
High school graduate35.3%21.9%
Some college or associate's37.5%38.3%
Bachelor's degree11.5%21.5%
Graduate or professional degree6.1%14.3%

Commute to work

How workers get to work (share)

Grays Harbor CountyIsland County
Drove alone75.7%69.7%
Carpooled7.4%9.9%
Public transit1.7%1.9%
Walked3.7%3.3%
Bicycle0.5%0.4%
Worked from home9.4%13.8%
Other means1.6%1.0%

Housing

Units in structure (share)

Grays Harbor CountyIsland County
1-unit, detached73.8%78.5%
1-unit, attached1.3%3.1%
2 to 4 units5.8%5.5%
5 to 19 units3.8%4.4%
20 or more units3.8%1.9%
Mobile home & other11.5%6.7%

Poverty & households

Grays Harbor CountyIsland County
Poverty rate14.1%7.0%
Average household size2.452.37
Mean commute (minutes)2427
Median year structure built19741990

Full profiles

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Grays Harbor County vs Island County: Compare Population & Demographics | US Census Data