Gardiner, ME ZIP code
The ZIP code for Gardiner, Maine is 04345. It is in Kennebec County.
- Population in these ZIPs
- 12,579
- Avg. median income
- $77,400population-weighted
- Typical home value
- $311,500population-weighted
- Metro area
- Augusta-Waterville, ME
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Gardiner, ME ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 04345 | 12,579 | $77,410 | $311,500 |
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 Gardiner
- South Gardiner 2 mi
- Randolph 4 mi
- Farmingdale 5 mi
- Richmond 6 mi
- Hallowell 6 mi
- Litchfield 7 mi
- Dresden 8 mi
- Whitefield 9 mi
- Augusta 10 mi
- Alna 11 mi
- Manchester 11 mi
- Bowdoinham 11 mi
Frequently asked questions
What is the ZIP code for Gardiner, ME?
The ZIP code for Gardiner, ME is 04345.
What county is Gardiner, Maine in?
Gardiner ZIP codes are in Kennebec County.