ZIP Code 04478
standardSource:
Rockwood · Somerset County · Maine
- Population
- 316
- Median income
- $53,229
- Median home value
- $379,300
- Bachelor's or higher
- 15.8%
- Land area
- 1053.3 sq mi
0/sq mi
▼ 30% vs US
higher than 19% of US ZIPs
▲ 36% vs US
higher than 77% of US ZIPs
Median age 69.6
New York
ZIP code 04478 in Rockwood, Maine has a population of 316. The median household income is $53,229, which is 30% below the national average. Median home value is $379,300, 36% above the US average. 15.8% of residents hold a bachelor's degree or higher.
ZIP code 04478 is classified by USPS as a standard delivery area and covers roughly 1053.3 square miles in Rockwood, Somerset County, Maine. The area is home to 316 residents, producing a population density of 0 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 04478 against Maine and the nation.
On the economic side, the median household income for ZIP 04478 sits at $53,229 (28% below the Maine average), while per-capita income is $39,030. The poverty rate stands at 3.5% and the unemployment rate at 0.0%. On housing, the median home value is $379,300 (34% above the state average) with median rent at — per month, and 100.0% of occupied units are owner-occupied, a direct signal of whether 04478 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 15.8% of adults hold a bachelor's degree or higher, the median age is 69.6, and the average commute is 15 minutes. Use the benchmarks above to see where 04478 sits relative to Maine and the national baseline rather than viewing the numbers in isolation. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 04478
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 04478.
- Accommodation and food services
Accommodation and food services
6 establishments
- Construction
Construction
3 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 04478, Rockwood, ME · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
316
Population
1053.3
Area (sq mi)
0
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 04478?
69.6
Median Age
50.9%
Male
49.1%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$53,229
Median Household Income
-28% vs state
$39,030
Per Capita Income
3.5%
Poverty Rate
0.0%
Unemployment Rate
15.0 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
875
Total Housing Units
165
Occupied Units
710
Vacant Units
1.92
Avg Household Size
Occupancy Type
$379,300
Median Home Value
+34% vs state
1975
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 20 business establishments in ZIP 04478, employing approximately 114 people with a combined annual payroll of $3,469,000.
20
Businesses
114
Employees
$3.5M
Annual Payroll
3
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 6 | 30.0% |
| Construction | 3 | 15.0% |
| Real estate and rental and leasing | 3 | 15.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
More ZIP Codes in Somerset County
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Rockwood, ME
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.