What the Pros Know
Market Snapshot
Zip Code 21555 | Allegany County, MD
1,515
Population
YoY
202248.4
Median Age
YoY
2022$47,917
Median Household Income
YoY
2022$125,000
Median Sale Price
9.4% MoM
40.5% YoY
6/20255
Homes Sold
0.0% MoM
400.0% YoY
6/20250.6
Months Inventory
25% MoM
85% YoY
6/202550
Days on Market
12 MoM
9 YoY
6/20253
Listings
25.0% MoM
50.0% YoY
6/2025131
Price per Sq Ft
15.5% MoM
6.6% YoY
6/2025
See 21555 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.