Taxes in King of Prussia

King of Prussia's real, most distinctive tax fact is Upper Merion Township's own confirmed non-enactment of a local Earned Income Tax -- a genuine structural advantage within Pennsylvania's otherwise near-universal EIT system.

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A real, genuine no-EIT structural advantage

Upper Merion Township's own official page states plainly the EIT "has not been enacted" -- residents and workers owe no local EIT, only Pennsylvania's flat 3.07% state income tax on most earned income.

A real, disclosed conflicting secondary source

This record discloses, rather than omits, one lower-confidence secondary source that cited a 1% EIT -- resolved here in favor of the township's own official, higher-confidence statement.

A modest Local Services Tax and moderate property tax rate

A $52/year Local Services Tax ($47 township + $5 school district) applies, alongside Montgomery County's own effective property tax rate of approximately 1.43%.

Key takeaways

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Last reviewed: 2026-08-25. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.