ZIP code 04978: Smithfield, ME
04978 is a ZIP code in Smithfield, Maine, mainly in Somerset County. About 856 people live here.
- Population
- 856
- Median household income
- $107,917
- Typical home value
- $273,200+7.3% in 12 months
- Median rent
- $1,109gross, per month
- Median age
- 55.8
- Homeowners
- 88.9%of occupied homes
Shaded: ZIP code 04978's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 04978 details
| City | Smithfield |
|---|---|
| State | Maine |
| County | Somerset County |
| Metro area | Not in a metro or micro area |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 19.9 sq mi, plus 4.9 sq mi of water |
| Population density | 43 people per sq mi |
| Bachelor's degree or higher | 34.7% of adults 25+ |
| Average commute | 32.5 minutes |
| Center coordinates | 44.64182, -69.79989 |
ZIP codes near 04978
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 04963 | Oakland, ME | 5.6 mi | 7,524 |
| 04957 | Norridgewock, ME | 5.9 mi | 4,006 |
| 04937 | Fairfield, ME | 6.8 mi | 6,358 |
| 04918 | Belgrade Lakes, ME | 7.1 mi | 0 |
| 04903 | Waterville, ME | 7.7 mi | — |
| 04944 | Hinckley, ME | 8.3 mi | 140 |
| 04955 | New Sharon, ME | 9.5 mi | 1,550 |
| 04975 | Shawmut, ME | 10.5 mi | 21 |
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 04978?
A typical home in ZIP code 04978 is worth about $273,200 (Zillow Home Value Index). The median household here earns $107,917 a year. See what buying here would cost per month, with Maine average taxes and insurance filled in.
Monthly payment for a $273,200 homeWhat can a $107,917 income afford?Rental property numbers
About ZIP code 04978
What city is ZIP code 04978?
ZIP code 04978 is in Smithfield, ME, in Somerset County.
What county is ZIP code 04978 in?
04978 is mainly in Somerset County, Maine.
What is the population of ZIP code 04978?
About 856 people live in ZIP code 04978, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 04978 in?
04978 is in Eastern Time (UTC−5). It observes daylight saving time.