What the Pros Know
Market Snapshot
Zip Code 37866 | Union County, TN
2,090
Population
YoY
202244.4
Median Age
YoY
2022$83,359
Median Household Income
YoY
2022$670,000
Median Sale Price
16.5% MoM
21.2% YoY
6/20259
Homes Sold
10.0% MoM
28.6% YoY
6/20253.7
Months Inventory
31% MoM
51% YoY
6/202593
Days on Market
28 MoM
25 YoY
6/202533
Listings
17.9% MoM
83.3% YoY
6/2025273
Price per Sq Ft
6.8% MoM
2.8% YoY
6/2025
See 37866 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.