What the Pros Know
Market Snapshot
Zip Code 20170 | Fairfax County, VA
43,557
Population
YoY
202235.4
Median Age
YoY
2022$151,136
Median Household Income
YoY
2022$780,000
Median Sale Price
0.6% MoM
0.0% YoY
6/202580
Homes Sold
3.6% MoM
15.9% YoY
6/20250.4
Months Inventory
36.9% MoM
52.7% YoY
6/202551
Days on Market
7 MoM
20 YoY
6/202531
Listings
39.2% MoM
0.0% YoY
6/2025318
Price per Sq Ft
5.4% MoM
3.6% YoY
6/2025
See 20170 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.