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Newark, MO ZIP code

The ZIP code for Newark, Missouri is 63458. It is in Knox County.

Population in these ZIPs
185
Avg. median income
$69,300population-weighted
Typical home value
$90,000population-weighted
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ZIP codes within 10 miles

Newark, MO ZIP code list

Newark, MO ZIP codes
ZIP codePopulationMedian incomeTypical home value
63458185$69,250$90,000

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 Newark

Frequently asked questions

What is the ZIP code for Newark, MO?

The ZIP code for Newark, MO is 63458.

What county is Newark, Missouri in?

Newark ZIP codes are in Knox County.