156844 Zip — Validated & Free

Slickville is a small community with a population that has fluctuated between 200 and 500 residents over recent decades.

ZIP CODE 15684 SLICKVILLE PA. ... Population Density 188 (people/ sq. mi.) GreatData.com

The zip code encompasses the census-designated place (CDP) of Slickville, Pennsylvania , located in the northern portion of Westmoreland County . Founded in 1917, Slickville is part of Salem Township and is characterized by its small-town, rural feel, covering roughly half a square mile. Demographics and Community Profile 156844 zip

While Slickville itself is a quiet residential area, it is surrounded by major outdoor and historical attractions within Westmoreland and neighboring Chester County: ZIP Code 15684 in Slickville PA - GreatData.com

: The median household income is approximately $52,069 . Notably, about 13.8% of households in 15684 are considered high-income, earning over $200,000 annually—a rate higher than many surrounding areas in Westmoreland County. Slickville is a small community with a population

: Renters in the area often find more leverage than in other regions, as median rents in Westmoreland County have recently slipped by about 9% , averaging roughly $1,000 to $1,100 per month . Local Life & Nearby Attractions

: The median sale price for homes in the Westmoreland County area is approximately $225,000 as of early 2026, representing a roughly 4.7% increase year-over-year. Population Density 188 (people/ sq

: The labor force participation rate is about 58% , with a typical daily commute of approximately 20 minutes. Real Estate Market Trends