ZipCodeLook
04978

Zip code 04978: Smithfield, Maine

Residential delivery areaSomerset CountyEastern Time
Population
856
Median household income
$108K
U.S. $81K
Median home value
$243K
U.S. $333K
Median rent
$1,109/mo
U.S. $1,413
Median age
55.8
U.S. 38.9
Land area
20 sq mi
43 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 04978

04978 is a rural zip code in Smithfield, Maine (Somerset County), covering 20 sq mi of land. About 856 people live here, or 43 per square mile. The median resident is 55.8 years old, compared with 38.9 nationally.

The median household earns $107,917 a year, 34% above the national median of $80,734. 5.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $242,800, or 2.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 89% of occupied homes are lived in by their owners, and renters pay a median of $1,109 a month.

35% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 32.5 minutes each way, and 22% of workers work from home. The most common jobs among working residents are in healthcare; production and manufacturing; and construction and repair.

How 04978 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
55.8
Under 18
10%
65 and over
29.7%

Race and ethnicity

  • White98%
  • Black0%
  • Hispanic0.7%
  • Asian0.2%
  • Native American0%
  • Pacific Islander0%
  • Other0%
  • Multiracial0.8%
Diversity index
3.5
U.S. 61.4
Foreign-born
1.2%
U.S. 14.1%
Born in state
62.9%

Language spoken at home (households)

English only
99%
Spanish
0%
Other Indo-European
1%
Asian / Pacific
0%
Other
0%

Households

Households
413
Average household size
2.1
Family households
76.8%
Married couples
66.6%
Living alone
18.4%
Veterans (of adults)
13.1%
Male / female
51% / 49%

Income and poverty

Household income distribution

<$25k
8%
$25–50k
14%
$50–75k
12%
$75–100k
14%
$100–150k
23%
$150–200k
19%
$200k+
11%

Median household income

04978
$107,917
Somerset Co.
$58,179
Maine
$74,733
United States
$80,734
Per capita income
$55,791
U.S. $44,673
Poverty rate
5.8%
U.S. 12.5%
Households earning $150K+
30%
U.S. 23%
Income inequality (Gini)
0.362
U.S. 0.483

Housing

Median home value

04978
$242,800
Somerset Co.
$166,900
Maine
$296,600
United States
$332,700

Median gross rent

04978
$1,109
Somerset Co.
$910
Maine
$1,139
United States
$1,413

Types of housing

Single-family
92%
2–4 units
0%
5–19 units
0%
20+ units
0%
Mobile home
8%
Boat, RV, van
0%
Housing units
683
Owner-occupied
88.9%
Vacant
39.5%
Median year built
1983
Median rooms
5.5
Renters paying 30%+ of income
42.9%
Renters paying 50%+ of income
19%
Home value to income
2.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
65%
Carpooled
12%
Transit
0%
Walked
0%
Bicycle
0%
Worked from home
22%
Other
0.7%

Commute time (one way)

<10 min
3%
10–19
17%
20–29
35%
30–44
26%
45–59
10%
60+
9%
Average commute
32.5 min
U.S. 26.4 min
Unemployment
5.3%
U.S. 5.2%
In labor force
59%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Healthcare
20%
Production
13%
Construction and repair
10%
Office and admin
10%
Education
9%
Engineering and science
9%
Management
8%
Sales
8%
Cleaning and personal care
3%
Transportation and moving
3%
Food service
3%
Computer and math
2%
Legal and social services
0.7%
Business and finance
0%
Arts, media and sports
0%
Police and fire
0%
Farming, fishing and forestry
0%

Industries

Health care and social assistance
27%
Manufacturing
13%
Construction
13%
Education
11%
Retail
7%
Finance, insurance and real estate
6%
Professional and technical services
4%
Public administration
4%
Transportation, warehousing and utilities
3%
Wholesale
3%
Other services
3%
Restaurants and hotels
2%
Arts and recreation
2%
Information
2%
Admin, support and management
0.7%
Agriculture and mining
0%
Median earnings per worker
$52,750
U.S. $49,666
Self-employed
7.7%
U.S. 10%
Government workers
16.5%
U.S. 14.5%
Nonprofit workers
18.1%
U.S. 8.8%

Median earnings by type of work

Type of work04978U.S.
Management, business, science and arts$87,829$74,888
Service$26,818$26,804
Sales and office$44,167$40,476
Construction and maintenance$51,042$49,199
Production and transportation$45,714$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
5%
High school
33%
Some college
11%
Associate's
16%
Bachelor's
25%
Graduate
10%
High school graduate or higher
94.5%
Bachelor's degree or higher
34.7%
Graduate or professional degree
9.6%
Households with broadband
95.9%
Cable, fiber or DSL
73.8%
No internet access
2.9%
Without health insurance
0.7%
Limited-English households
0%

Geography

City (USPS)
Smithfield
State
Maine
Center point
44.6418° N, 69.7999° W
Land area
20 sq mi
Water area
4.9 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Zip codes near 04978

ZipCityDistanceIncome
04963Oakland5.6 mi$77,708
04957Norridgewock5.9 mi$65,931
04937Fairfield6.8 mi$63,933
04918Belgrade Lakes7.1 mi—
04903Waterville · PO box7.7 mi—
04944Hinckley8.3 mi—
04955New Sharon9.5 mi$63,889
04975Shawmut11 mi—
04917Belgrade11 mi$88,338
04360Vienna12 mi$75,481
04976Skowhegan12 mi$53,534
04911Anson13 mi$62,697

Questions about 04978

What city is zip code 04978?

04978 is assigned to Smithfield, Maine. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 04978 in?

04978 is in Somerset County, Maine.

What is the population of 04978?

About 856 people live in 04978, according to the Census Bureau's American Community Survey.

What time zone is 04978 in?

04978 is in Eastern Time.

What is the median household income in 04978?

The median household income in 04978 is $107,917.

What zip codes are near 04978?

The closest zip codes to 04978 are 04963, 04957, 04937, 04918, 04903.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 04978, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.