Cost of Living in Kirkwood

Kirkwood's cost of living runs genuinely, substantially above Missouri's statewide average on both housing and property tax -- a real, disclosed premium tied to Kirkwood's established affluence and top-tier schools.

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A substantial housing-cost premium

Kirkwood's average home value ran $446,811 per Zillow this pass, well above Missouri's own $268,423 statewide average -- up a real 3.4% year-over-year.

Missouri's highest county property tax rate

St. Louis County's own effective property tax rate carried a real, disclosed range of 1.20%-1.36% this pass -- ranking #1 (highest) of Missouri's 115 counties.

Missouri's flat income tax and modest state sales tax

Missouri's real flat 4.0% state income tax and 4.225% state sales tax (under a substantial local add-on layer) apply statewide, including in Kirkwood.

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.