What the Pros Know
Market Snapshot
Zip Code 21797 | Howard County, MD
9,034
Population
YoY
202245.1
Median Age
YoY
2022$179,271
Median Household Income
YoY
2022$965,000
Median Sale Price
2.7% MoM
13.5% YoY
6/202527
Homes Sold
17.4% MoM
12.9% YoY
6/20251.0
Months Inventory
5.5% MoM
200.9% YoY
6/202525
Days on Market
2 MoM
17 YoY
6/202526
Listings
23.8% MoM
116.7% YoY
6/2025249
Price per Sq Ft
0.2% MoM
3.7% YoY
6/2025
See 21797 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.