What the Pros Know
Market Snapshot
Zip Code 19803 | New Castle County, DE
21,437
Population
YoY
202247.3
Median Age
YoY
2022$122,853
Median Household Income
YoY
2022$546,250
Median Sale Price
1.6% MoM
13.7% YoY
6/202576
Homes Sold
22.6% MoM
15.2% YoY
6/20250.4
Months Inventory
15.7% MoM
6.1% YoY
6/202522
Days on Market
6 MoM
7 YoY
6/202531
Listings
3.3% MoM
29.2% YoY
6/2025239
Price per Sq Ft
6% MoM
3% YoY
6/2025
See 19803 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.