Island County, Washington Housing Market

In Island County, Washington, the median home value is $593,300, with a median monthly rent of $1,662. This places Island County at #87 nationally out of 3134 counties by median home value, and #4 within Washington.

Median Home Value $593,300
Median Rent $1,662/mo
Owner Occupancy 74.7%
Price/Rent Ratio 29.7

📈 Price Trend (2017 → 2024)

📊 Recent Market Momentum (FHFA HPI)

FHFA House Price Index — All-Transactions, Annual (2000 = 100) · Latest: 2025

💡 Year-over-Year Trend: Home prices in Island County rose +2.2% year-over-year as of 2025. (Source: FHFA)

📍 Economic Snapshot

💼

Employment & Wages

13,443
jobs (private sector)
  • Avg weekly wage: $1,174
  • Establishments: 2,103
  • BLS QCEW, 2025
🏗️

Housing Supply

209
new units authorized (2025)
  • Single-family: 181
  • Multi-family: 28
  • U.S. Census Bureau, Building Permits Survey
🚚

Migration Patterns

+3232
net migration (filers, 2021-2022)
  • Inflow: 39,292 (avg $100,498)
  • Outflow: 36,060 (avg $99,751)
  • IRS Statistics of Income

📍 Sub-Market Activity

Top 7 active ZIP codes in Island County · Latest: 2025

# ZIP Code HPI YoY Change Latest Year
1 98253 382.1 +7.96% 2024
2 98260 365.5 +0.60% 2025
3 98236 331.7 +8.14% 2025
4 98239 322.0 -3.44% 2025
5 98277 332.4 +5.39% 2025
6 98282 343.6 -0.36% 2025
7 98249 339.8 +0.85% 2025

Source: FHFA HPI for Five-Digit ZIP Codes (All-Transactions Index, 2000 = 100).
This product uses FHFA Data but is neither endorsed nor certified by FHFA.

How Island County Compares

MetricIsland CountyWashington AverageU.S. Average
Median Home Value $593,300 $436,312 $227,706
Median Gross Rent $1,662 $1,251 $968
Owner Occupancy Rate 74.7% 71.3% 73.3%
Price/Rent Ratio 29.7 29.2 18.7

Market Analysis

The median home value in Island County is 36.0% above the Washington state average and 160.6% above the U.S. national average. The median rent of $1,662/month is 32.9% above the state average.

With a price-to-rent ratio of 29.7, Island County is a strongly rent-favored market. Home prices are high relative to rents, meaning renting is typically far cheaper than owning in the near term.

Island County has an owner-occupancy rate of 74.7%, compared to 71.3% in Washington and 73.3% nationally. This indicates a more homeowner-heavy market than the U.S. average.

Similar Counties by Home Value

CountyStateMedian Home ValueMedian Rent
La Plata County Colorado $591,500 $1,504
Rockland County New York $596,900 $1,901
Howard County Maryland $597,900 $2,099
Washington County Oregon $588,000 $1,849
Whatcom County Washington $585,800 $1,555

Other Counties in Washington

CountyMedian Home ValueMedian RentOwner Occ.
Whatcom County $585,800 $1,555 63.7%
Kitsap County $555,100 $1,822 70.1%
Skagit County $545,100 $1,536 70.1%
Jefferson County $535,000 $1,522 79.0%
Skamania County $529,500 $1,068 80.0%

Data Source: U.S. Census Bureau, American Community Survey (ACS) 2024 5-Year Estimates (2017–2024). Variables: B25077 (Median Home Value), B25064 (Median Gross Rent), B25003 (Tenure). Data collected on 2026-10-14. The price-to-rent ratio is calculated as Median Home Value ÷ (Median Monthly Rent × 12).