WA area data
Rock island, WA
Rock island, WA.
Population: 2,032 (Census ACS)
Home values & appreciation
- Median home value
- $450,643
- 1-year appreciation
- +5.0%
- 3-year appreciation
- +11.7%
- 5-year appreciation
- +23.6%
- 10-year appreciation
- +132.2%
- All-time peak (2026-04)
- $451,154
- House Price Index
- 588.1 (+2.2% YoY)
Market activity
- Median sale price
- $396,875
- Median list price
- $517,999
- Median days on market
- 61 days
- Sale-to-list ratio
- 91.2%
- Active listings
- 8
- 1-year forecast
- -0.4%
- New listings (monthly)
- 2
Rents
- 2-bedroom fair-market rent (HUD reference)
- $1,680/mo
- 3BR fair-market rent
- $2,183/mo
Affordability
- Cost of living index (Above Average)
- 107.5 (100 = US avg)
- Electricity rate (state-level)
- 13.1¢/kWh
- Natural gas rate (state-level)
- $17.60/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
Natural hazards & flood risk
- Overall hazard risk
- Relatively Low
- Top hazards
- coldWave, inlandFlooding, wildfire
- FEMA flood zone
- X
- Flood risk level
- Minimal
Climate (30-year normals)
- Average annual temperature
- 51.0°F
- Average high
- 61.0°F
- Average low
- 42.0°F
- Annual precipitation
- 7.7 in
Walkability & transit
- Walkability index
- 4.2 / 20
- Transit service frequency
- -99,999
Amenities
- Nearest airport
- Pangborn Memorial Airport (EAT) (9 mi)
- Nearest major airport
- Pangborn Memorial Airport (EAT) (9 mi)
- Hospitals nearby (~15 mi)
- 1
- Solar radiation rating
- Fair (4.1 kWh/m²/day)
Migration
- Net migration
- +113 tax filers
Housing stock
- Median year housing built
- 1,977
- Median annual property tax
- $2,953
- Households with broadband internet
- 69.3%
Employment & development
- Total county employment
- 10,001
- Average weekly wage
- $854
- Top industries (by employment)
- Accommodation & Food, Health Care, Construction
- Annual residential building permits (county)
- 226
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →