WA area data
Anderson Island, WA
Anderson Island, WA.
Population: 1,448 (Census ACS)
Home values & appreciation
- Median home value
- $489,395
- 1-year appreciation
- -1.6%
- 3-year appreciation
- +0.1%
- 5-year appreciation
- +6.3%
- 10-year appreciation
- +94.4%
- All-time peak (2025-01)
- $520,112
- House Price Index
- 588.1 (+2.2% YoY)
Market activity
- Median sale price
- $455,000
- Median list price
- $475,000
- Median days on market
- 102 days
- Sale-to-list ratio
- 98.0%
- Active listings
- 28
- 1-year forecast
- -0.1%
- New listings (monthly)
- 10
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 High
- Top hazards
- avalanche, coldWave, earthquake, heatWave, iceStorm
Climate (30-year normals)
- Annual precipitation
- 72.2 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 42
- Days with Good air quality
- 273
- Days with Unhealthy air quality
- 3
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Klondike Gold Rush - Seattle Unit National Historical Park (35 mi)
- Nearest airport
- Howell Airport (3 mi)
- Nearest major airport
- Gray Army Air Field (GRF) (8 mi)
- Hospitals nearby (~15 mi)
- 1,090
- Avg hospital rating
- 3.1 / 5
- Solar radiation rating
- Poor (3.4 kWh/m²/day)
Migration
- Net migration
- +242 tax filers
Housing stock
- Median year housing built
- 1,993
- Median annual property tax
- $5,225
- Households with broadband internet
- 43.6%
Employment & development
- Total county employment
- 272,091
- Average weekly wage
- $1,222
- Top industries (by employment)
- Health Care, Accommodation & Food, Administrative Services
- Annual residential building permits (county)
- 1,729
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 →