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Allendale, MO ZIP code

The ZIP code for Allendale, Missouri is 64420. It is in Worth County.

Population in these ZIPs
31
Avg. median income
$73,800population-weighted
Typical home value
$243,800population-weighted
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ZIP codes within 10 miles

Allendale, MO ZIP code list

Allendale, MO ZIP codes
ZIP codePopulationMedian incomeTypical home value
6442031$73,750$243,800

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 Allendale

Frequently asked questions

What is the ZIP code for Allendale, MO?

The ZIP code for Allendale, MO is 64420.

What county is Allendale, Missouri in?

Allendale ZIP codes are in Worth County.