What the Pros Know
Market Snapshot
Zip Code 21788 | Frederick County, MD
11,412
Population
YoY
202247.9
Median Age
YoY
2022$90,091
Median Household Income
YoY
2022$450,000
Median Sale Price
7.2% MoM
0.9% YoY
6/202531
Homes Sold
0.0% MoM
6.1% YoY
6/20251.0
Months Inventory
34.8% MoM
61.9% YoY
6/202540
Days on Market
18 MoM
7 YoY
6/202531
Listings
34.8% MoM
93.8% YoY
6/2025219
Price per Sq Ft
5.9% MoM
3.6% YoY
6/2025
See 21788 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.