What the Pros Know
Market Snapshot
Zip Code 20151 | Fairfax County, VA
21,893
Population
YoY
202240.8
Median Age
YoY
2022$137,483
Median Household Income
YoY
2022$900,000
Median Sale Price
15.4% MoM
6.8% YoY
6/202542
Homes Sold
19.2% MoM
12.5% YoY
6/20250.4
Months Inventory
7.1% MoM
38.5% YoY
6/202541
Days on Market
5 MoM
20 YoY
6/202515
Listings
25.0% MoM
51.6% YoY
6/2025309
Price per Sq Ft
0.2% MoM
4% YoY
6/2025
See 20151 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.