Pest Control in Pennsylvania

Pennsylvania pest pressure, metro by metro

Pennsylvania does not have one pest problem — it has one per metro, shaped by local weather:

• humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders (Philadelphia)
• humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders (Pittsburgh)
• humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders (Allentown)
• humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders (Harrisburg)

Across the state we cover 29 counties within these metro areas. Browse the metro pages below, or see the Pennsylvania county index for county-level coverage.

Pennsylvania coverage in numbers

In numbers: the 12 covered metros in Pennsylvania hold about 13,037,255 residents between them, with Philadelphia alone accounting for roughly 49% of that population. Coverage reaches 167 named communities and 1231 ZIP codes across 29 counties. The climate those metros share is not uniform: average annual temperatures run from about 49°F around State College to 56°F around Philadelphia, and pest seasons lengthen or shorten accordingly — which is why each metro keeps its own page.

The housing stock writes the rest of the story. In Philadelphia, the largest metro, about 67% of homes predate 1980 and the median home was built in 1966 — older framing, older voids, and the pest profile that comes with them. Owner-occupiers make up about 67% of households there, which is why the metro guides speak to homeowners planning inspections and programmes, not one-off visits alone.

Pennsylvania metros at a glance

Philadelphia — a metro of 6,329,118 across 11 counties, where the watch list runs subterranean termites, ticks, carpenter ants — the standing pattern where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

Pittsburgh — 2,421,992 residents, 8 counties. First on its watch list: subterranean termites, then ticks and carpenter ants — the pattern of a metro where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

Allentown — 887,615 residents, 4 counties. First on its watch list: subterranean termites, then ticks and carpenter ants — the pattern of a metro where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

Harrisburg — a metro of 617,427 across 3 counties, where the watch list runs subterranean termites, ticks, carpenter ants — the standing pattern where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

Scranton — about 574,418 residents across 3 counties. The local watch list: subterranean termites, ticks and carpenter ants, in a metro where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

Lancaster — a metro of 563,159 across 1 counties, where the watch list runs subterranean termites, ticks, carpenter ants — the standing pattern where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

York — 473,197 residents, 1 counties. First on its watch list: subterranean termites, then ticks and carpenter ants — the pattern of a metro where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.

Reading — a metro of 440,072 across 1 counties, where the watch list runs subterranean termites, ticks, carpenter ants — the standing pattern where humid summers and cold winters that swing pressure between termites, ticks and overwintering invaders.