What the Pros Know
Market Snapshot
Zip Code 98188 | King County, WA
27,523
Population
YoY
202236.7
Median Age
YoY
2022$77,722
Median Household Income
YoY
2022$635,000
Median Sale Price
5.8% MoM
2.4% YoY
6/202531
Homes Sold
6.1% MoM
10.7% YoY
6/20250.4
Months Inventory
1.7% MoM
3.2% YoY
6/202522
Days on Market
5 MoM
14 YoY
6/202512
Listings
7.7% MoM
14.3% YoY
6/2025370
Price per Sq Ft
5.2% MoM
0.7% YoY
6/2025
See 98188 on Zillow
1. Population Data from U.S. Census Bureau.
2. Sales Data provided by Redfin, a national real estate brokerage.
MoM = Month over Month. The percentage change from the previous month to the current month.
YoY = Year over Year. The percentage change from the same period the previous year to the current period.