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Jefferson, ME ZIP code

The ZIP code for Jefferson, Maine is 04348. It is in Lincoln County.

Population in these ZIPs
3,484
Avg. median income
$78,900population-weighted
Typical home value
$353,600population-weighted
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ZIP codes within 10 miles

Jefferson, ME ZIP code list

Jefferson, ME ZIP codes
ZIP codePopulationMedian incomeTypical home value
043483,484$78,929$353,600

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

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Frequently asked questions

What is the ZIP code for Jefferson, ME?

The ZIP code for Jefferson, ME is 04348.

What county is Jefferson, Maine in?

Jefferson ZIP codes are in Lincoln County.