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Fredericktown, MO ZIP code

The ZIP code for Fredericktown, Missouri is 63645. It is in Madison County.

Population in these ZIPs
11,554
Avg. median income
$54,700population-weighted
Typical home value
$175,800population-weighted
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ZIP codes within 10 miles

Fredericktown, MO ZIP code list

Fredericktown, MO ZIP codes
ZIP codePopulationMedian incomeTypical home value
6364511,554$54,747$175,800

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 Fredericktown

Frequently asked questions

What is the ZIP code for Fredericktown, MO?

The ZIP code for Fredericktown, MO is 63645.

What county is Fredericktown, Missouri in?

Fredericktown ZIP codes are in Madison County.