What the Pros Know
Market Snapshot
Zip Code 78642 | Williamson County, TX
20,699
Population
YoY
202236.2
Median Age
YoY
2022$117,490
Median Household Income
YoY
2022$550,000
Median Sale Price
2.8% MoM
6.8% YoY
6/2025188
Homes Sold
7.8% MoM
11.3% YoY
6/20252.3
Months Inventory
1.8% MoM
34.5% YoY
6/2025101
Days on Market
0 MoM
16 YoY
6/2025429
Listings
9.5% MoM
36.6% YoY
6/2025210
Price per Sq Ft
3.4% MoM
1.9% YoY
6/2025
See 78642 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.