What the Pros Know
Market Snapshot
Zip Code 21757 | Carroll County, MD
2,722
Population
YoY
202246.4
Median Age
YoY
2022$96,250
Median Household Income
YoY
2022$398,500
Median Sale Price
0.0% MoM
41.0% YoY
6/20254
Homes Sold
33.3% MoM
33.3% YoY
6/20251.3
Months Inventory
25% MoM
212.5% YoY
6/202556
Days on Market
35 MoM
53 YoY
6/20255
Listings
16.7% MoM
37.5% YoY
6/2025232
Price per Sq Ft
25.7% MoM
0% YoY
6/2025
See 21757 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.