What the Pros Know
Market Snapshot
Zip Code 11721 | Suffolk County, NY
6,569
Population
YoY
202249.3
Median Age
YoY
2022$204,048
Median Household Income
YoY
2022$860,000
Median Sale Price
13.5% MoM
1.2% YoY
6/202527
Homes Sold
22.7% MoM
68.8% YoY
6/20250.6
Months Inventory
7.7% MoM
32.2% YoY
6/202526
Days on Market
3 MoM
3 YoY
6/202517
Listings
13.3% MoM
21.4% YoY
6/2025483
Price per Sq Ft
11.2% MoM
3.9% YoY
6/2025
See 11721 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.