Cost of Living in King of Prussia

King of Prussia's cost of living benefits from a real, genuine tax advantage (no local EIT) even as housing runs genuinely competitive and appreciating.

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A real, genuine tax advantage

Upper Merion Township has not enacted a local EIT -- residents owe only Pennsylvania's flat 3.07% state income tax on most earned income, plus a modest $52/year Local Services Tax.

Genuinely competitive, appreciating housing

King of Prussia's 2026 home-value figures carried a real, disclosed spread ($453,560-$599,450 depending on source and list-vs-sale distinction), with Redfin's own median sale price up 7% year-over-year.

A comparatively moderate property tax rate

Montgomery County's own effective property tax rate ran approximately 1.43% per one aggregator -- confirm the current specific Upper Merion millage components directly.

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.