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Ballwin, MO ZIP codes

Ballwin, Missouri has 4 ZIP codes, including 2 PO Box ZIPs. They are in St. Louis County.

Population in these ZIPs
91,586
Avg. median income
$121,900population-weighted
Typical home value
$406,900population-weighted
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ZIP codes within 10 miles

Ballwin, MO ZIP codes list

Ballwin, MO ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
63011St. Louis County35,920$124,454$437,200
63021St. Louis County55,666$120,177$387,400
63022 PO BoxSt. Louis County———
63024 PO BoxSt. Louis County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Ballwin

Frequently asked questions

What is the ZIP code for Ballwin, MO?

Ballwin, MO has 4 ZIP codes: 63011, 63021, 63022 and 63024.

What county is Ballwin, Missouri in?

Ballwin ZIP codes are in St. Louis County.

Which Ballwin ZIP codes are PO Boxes?

63022 and 63024 are PO Box or single-organization ZIP codes; they have no residential delivery area.