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WA area data

Plymouth, WA

Plymouth, WA.

Population: 198 (Census ACS)

Home values & appreciation

House Price Index
588.1 (+2.2% YoY)

Market activity

Median sale price
$439,900
Median list price
$459,000
Median days on market
14 days
Sale-to-list ratio
100.0%
Active listings
2

Affordability

Cost of living index (Above Average)
107.0 (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%

Natural hazards & flood risk

Overall hazard risk
Relatively Moderate
Top hazards
iceStorm, winterWeather, coldWave, earthquake, heatWave

Climate (30-year normals)

Average annual temperature
54.0°F
Average high
66.0°F
Average low
42.0°F
Annual precipitation
9.5 in

Air quality

Air quality rating
Good
Median AQI (annual)
34
Days with Good air quality
299

Amenities

National parks within ~60 mi
2
Nearest national park
Whitman Mission National Historic Site (46 mi)
Nearest airport
Hermiston Municipal Airport (HES) (10 mi)
Nearest major airport
Tri Cities Airport (PSC) (27 mi)
Hospitals nearby (~15 mi)
8
Avg hospital rating
2.8 / 5
Solar radiation rating
Fair (4.3 kWh/m²/day)

Housing stock

Median year housing built
1,998
Median annual property tax
$460
Households with broadband internet
45.3%

Employment & development

Total county employment
85,267
Average weekly wage
$1,256
Top industries (by employment)
Health Care, Administrative Services, Professional Services
Annual residential building permits (county)
1,058

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 →

Data compiled by REAIGENT7 — AI listing platform for real estate agents