What the Pros Know
Market Snapshot
Zip Code 21102 | Carroll County, MD
12,024
Population
YoY
202244.5
Median Age
YoY
2022$110,503
Median Household Income
YoY
2022$464,500
Median Sale Price
0.6% MoM
6.9% YoY
6/202528
Homes Sold
12.5% MoM
15.2% YoY
6/20250.8
Months Inventory
0% MoM
17.2% YoY
6/202530
Days on Market
7 MoM
4 YoY
6/202521
Listings
12.5% MoM
40.0% YoY
6/2025198
Price per Sq Ft
14.1% MoM
2.8% YoY
6/2025
See 21102 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.