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Monroe City, MO ZIP code

The ZIP code for Monroe City, Missouri is 63456. It is in Marion County.

Population in these ZIPs
4,749
Avg. median income
$64,200population-weighted
Typical home value
$196,400population-weighted
Metro area
Hannibal, MO
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ZIP codes within 10 miles

Monroe City, MO ZIP code list

Monroe City, MO ZIP codes
ZIP codePopulationMedian incomeTypical home value
634564,749$64,160$196,400

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 Monroe City

Frequently asked questions

What is the ZIP code for Monroe City, MO?

The ZIP code for Monroe City, MO is 63456.

What county is Monroe City, Missouri in?

Monroe City ZIP codes are in Marion County.