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County Overview

Union County, PA

Aggregate real estate market report across county ZIPs
Seller's Market
September 2026  ·  Source: Realtor.com

Market Analysis

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.

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Market Context

Market Context

Population: 36,988  ·  Density: 133.2/mi²  ·  Median household income: $61,988

Typical home value: $212,733  ·  Homeownership: 70.5%

Included Areas

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

Area Map

Market Overview

Active Listings
96
⇩ 12.7% vs 110 last year
Pending
42
44% pending ratio
Median Price
$379,500
⇩ 10.2% vs $422,450 last year
Average Price
$500,122
⇩ 3.4% vs $517,939 last year
Days on Market
56
⇩ 18.8% vs 69 days last year

Price Per Square Foot

Median $/sqft
$204
⇧ 2% vs $200/sqft last year
Median Home Size
2,040 sqft
Typical listing size
12-Month $/sqft Trend

Sale-to-List Price Dynamics

At Original Price
99.9%
Listings with no price change
Price Reduced
0.1%
⇩ 45% vs 0.2% last year
12-Month Price Reduction Trend

Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.

12-Month Trends

Historical Trend Charts

Median Price
Average Price
Days on Market
Total Listings
Pending Listings
Active Listings
New Listings
Price Per Sqft
Price Reduced %