Data as of September 2026. Source: Realtor.com.
The Union County, PA real estate market currently shows 96 active listings, with 42 pending sales. Homes are averaging 56 days on the market before going under contract.
Inventory has tightened compared to last year, with 14 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 56 days on market compared to 69 days last year.
The median listing price has fallen 10.2% year-over-year, from $422,450 to $379,500.
Population: 36,988 · Density: 133.2/mi² · Median household income: $61,988
Typical home value: $212,733 · Homeownership: 70.5%
Hartleton: 17829
Laurelton: 17835
Lewisburg: 17837
Mifflinburg: 17844
Millmont: 17845
New Berlin: 17855
New Columbia: 17856
Swengel: 17880
Weikert: 17885
West Milton: 17886
White Deer: 17887
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.