Income needed to buy a home

Island County, WA

$209,409

a year in household income to buy the typical Island County home with 10% down.

The monthly math

Typical home value$638,463
Down payment (10%)$63,846
Loan$574,617
Principal and interest (7.40%)$3,979/mo
Property tax (0.66% a year)$349/mo
Homeowners insurance (estimate)$319/mo
Mortgage insurance$239/mo
Total monthly cost$4,886/mo

Income needed keeps housing at 28% of gross income, the lender rule of thumb.

What locals earn

Out of reach

The typical household here earns $90,551 a year, 43% of what it takes.

In Washington

Island County ranks #36 of 39 for the income a home takes, from least to most.

Easiest to afford in Washington

CountyTypical homeIncome needed
Garfield County$248,270$84,099
Columbia County$272,028$90,009
Ferry County$284,503$92,399
Adams County$307,472$101,561
Okanogan County$313,136$102,538

Typical home value from the Zillow Home Value Index, August 2026. Rate is the Freddie Mac 30-year average for Oct 8, 2026. Property tax rate is total taxes paid divided by total home value in the county (U.S. Census, ACS 2020-2024). How it works.