About South Fayette
South Fayette Township is a township in Allegheny County, Pennsylvania, United States. The population was 18,358 at the 2020 census.
A township of 18,358 people (2020 census)1, South Fayette sits in what we call the West & Airport. By the county permit file, South Fayette is home to 45 places to eat or drink, putting it 15th among the 129 municipalities outside the city we cover2. The most common category is clubs, posts and fire halls (6), followed by pizza (5). 21 of the 45 are independent and 24 belong to chains. Most of them are on Millers Run Road (19 listings).
About 18,358 people lived here in 2020, up from 14,416 in 201013. The median household earns about $124,112 a year, and 58% of adults 25 and over hold a bachelor's degree or more4. Roughly 24% of workers work from home4. Pittsburgh Regional Transit's stop file shows no active stops inside the boundary5. The county's farmers market list includes The Original Farmers Market6.
South Fayette by the numbers
Counts from our directory2. Land area from Census TIGER/Line county subdivisions8.
Listings by category
Main food streets: Millers Run Road (19), Washington Pike (7), Hastings Crescent (3), and Battle Ridge Road (2).
New and changing
These South Fayette facilities had a preoperational inspection from the Allegheny County Health Department between Aug 11, 2025 and Jul 28, 2026. That inspection happens before a food facility opens, changes owners or reopens after major work9.
- Fairview Park Splash Pad Concession StandInspected & Permitted
- South Fayette Baseball @ Morgan Park Concession StandInspected & Permitted
- Market C @ CintasInspected & Permitted
- Millie's Truck PGH (ZVS-9792) MFF3Inspected & Permitted
Things to do nearby
Getting there
Transit
No active Pittsburgh Regional Transit stops inside the boundary. Most trips here are by car.
Source5
How working residents commute
Percent of workers 16+, 2020-2024 estimates4.
Who lives here
Survey estimates for small towns have wide margins of error.