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Plainville, IL ZIP code

The ZIP code for Plainville, Illinois is 62365. It is in Adams County.

Population in these ZIPs
464
Avg. median income
$90,800population-weighted
Typical home value
$162,500population-weighted
Metro area
Quincy, IL-MO
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ZIP codes within 10 miles

Plainville, IL ZIP code list

Plainville, IL ZIP codes
ZIP codePopulationMedian incomeTypical home value
62365464$90,833$162,500

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 Plainville

Frequently asked questions

What is the ZIP code for Plainville, IL?

The ZIP code for Plainville, IL is 62365.

What county is Plainville, Illinois in?

Plainville ZIP codes are in Adams County.