What the Pros Know
Market Snapshot
Zip Code 99128 | Whitman County, WA
289
Population
YoY
202249.8
Median Age
YoY
2022$57,143
Median Household Income
YoY
2022$313,000
Median Sale Price
14.5% MoM
48.7% YoY
6/20252
Homes Sold
33.3% MoM
100.0% YoY
6/20251.5
Months Inventory
50% MoM
YoY
6/2025146
Days on Market
51 MoM
19 YoY
6/20253
Listings
0.0% MoM
50.0% YoY
6/2025135
Price per Sq Ft
16% MoM
10.3% YoY
6/2025
See 99128 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.