ZIP code 04259: Monmouth, ME
04259 is a ZIP code in Monmouth, Maine, mainly in Kennebec County, part of the Augusta-Waterville, ME micro area. About 3,610 people live here.
- Population
- 3,610
- Median household income
- $83,919
- Typical home value
- $356,700+1.1% in 12 months
- Median rent
- $1,249gross, per month
- Median age
- 46
- Homeowners
- 78%of occupied homes
Shaded: ZIP code 04259's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 04259 details
| City | Monmouth |
|---|---|
| State | Maine |
| County | Kennebec County |
| Metro area | Augusta-Waterville, ME |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 29 sq mi, plus 4.7 sq mi of water |
| Population density | 124 people per sq mi |
| Bachelor's degree or higher | 34.6% of adults 25+ |
| Average commute | 28.7 minutes |
| Center coordinates | 44.23351, -70.01472 |
Median rent in 04259 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $1,383/mo |
| 3 bedrooms | $1,145/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 04259
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 04265 | North Monmouth, ME | 3.4 mi | 552 |
| 04350 | Litchfield, ME | 5.8 mi | 3,680 |
| 04364 | Winthrop, ME | 5.9 mi | 6,191 |
| 04236 | Greene, ME | 7.1 mi | 4,417 |
| 04263 | Leeds, ME | 7.2 mi | 2,285 |
| 04284 | Wayne, ME | 7.5 mi | 1,101 |
| 04280 | Sabattus, ME | 8.4 mi | 7,040 |
| 04343 | East Winthrop, ME | 8.4 mi | — |
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
Buying a home in 04259?
A typical home in ZIP code 04259 is worth about $356,700 (Zillow Home Value Index). The median household here earns $83,919 a year. See what buying here would cost per month, with Maine average taxes and insurance filled in.
Monthly payment for a $356,700 homeWhat can a $83,919 income afford?Rental property numbers
About ZIP code 04259
What city is ZIP code 04259?
ZIP code 04259 is in Monmouth, ME, in Kennebec County.
What county is ZIP code 04259 in?
04259 is mainly in Kennebec County, Maine.
What is the population of ZIP code 04259?
About 3,610 people live in ZIP code 04259, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 04259 in?
04259 is in Eastern Time (UTC−5). It observes daylight saving time.