ZipCodeLook
04858

Zip code 04858: South Thomaston, Maine

Residential delivery areaKnox CountyEastern Time
Population
1,378
Median household income
$87K
U.S. $81K
Median home value
$341K
U.S. $333K
Median rent
$925/mo
U.S. $1,413
Median age
54.1
U.S. 38.9
Land area
11 sq mi
121 people/sq mi

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

About 04858

04858 is a small-town zip code in South Thomaston, Maine (Knox County), covering 11 sq mi of land. About 1,378 people live here, or 121 per square mile. The median resident is 54.1 years old, compared with 38.9 nationally.

The median household earns $87,059 a year, close to the national median of $80,734. 4.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $341,300, or 3.9 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 93% of occupied homes are lived in by their owners, and renters pay a median of $925 a month.

44% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 15.7 minutes each way, and 8% of workers work from home. The most common jobs among working residents are in sales; management; and construction and repair. 17% of them are self-employed (U.S.: 10%).

How 04858 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
54.1
Under 18
13.9%
65 and over
34.8%

Race and ethnicity

  • White97%
  • Black0%
  • Hispanic0%
  • Asian0%
  • Native American0%
  • Pacific Islander0.4%
  • Other0.5%
  • Multiracial2%
Diversity index
6.1
U.S. 61.4
Foreign-born
0.3%
U.S. 14.1%
Born in state
59.8%

Language spoken at home (households)

English only
94%
Spanish
4%
Other Indo-European
0.8%
Asian / Pacific
0%
Other
1%

Households

Households
608
Average household size
2.3
Family households
67.8%
Married couples
57.7%
Living alone
30.1%
Veterans (of adults)
10.5%
Male / female
46% / 54%

Income and poverty

Household income distribution

<$25k
12%
$25–50k
14%
$50–75k
17%
$75–100k
18%
$100–150k
17%
$150–200k
10%
$200k+
13%

Median household income

04858
$87,059
Knox Co.
$74,096
Maine
$74,733
United States
$80,734
Per capita income
$47,373
U.S. $44,673
Poverty rate
4.2%
U.S. 12.5%
Households earning $150K+
22.5%
U.S. 23%
Income inequality (Gini)
0.407
U.S. 0.483

Housing

Median home value

04858
$341,300
Knox Co.
$324,900
Maine
$296,600
United States
$332,700

Median gross rent

04858
$925
Knox Co.
$1,165
Maine
$1,139
United States
$1,413

Types of housing

Single-family
91%
2–4 units
2%
5–19 units
1%
20+ units
0%
Mobile home
5%
Boat, RV, van
0%
Housing units
809
Owner-occupied
92.9%
Vacant
24.8%
Median year built
1981
Median rooms
5.9
Renters paying 30%+ of income
63.6%
Renters paying 50%+ of income
9.1%
Home value to income
3.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
82%
Carpooled
8%
Transit
0.8%
Walked
0.3%
Bicycle
0%
Worked from home
8%
Other
0.5%

Commute time (one way)

<10 min
12%
10–19
67%
20–29
12%
30–44
8%
45–59
0.8%
60+
0.7%
Average commute
15.7 min
U.S. 26.4 min
Unemployment
0%
U.S. 5.2%
In labor force
56%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales
26%
Management
17%
Construction and repair
9%
Education
8%
Office and admin
6%
Farming, fishing and forestry
6%
Business and finance
5%
Food service
5%
Transportation and moving
3%
Computer and math
3%
Production
3%
Healthcare
3%
Cleaning and personal care
3%
Legal and social services
2%
Engineering and science
1%
Arts, media and sports
1%
Police and fire
0.6%

Industries

Retail
31%
Education
12%
Professional and technical services
8%
Health care and social assistance
7%
Manufacturing
6%
Construction
6%
Admin, support and management
6%
Agriculture and mining
6%
Restaurants and hotels
5%
Public administration
4%
Transportation, warehousing and utilities
3%
Other services
2%
Finance, insurance and real estate
2%
Information
1%
Arts and recreation
1%
Wholesale
0%
Median earnings per worker
$49,435
U.S. $49,666
Self-employed
17.3%
U.S. 10%
Government workers
15.5%
U.S. 14.5%
Nonprofit workers
9%
U.S. 8.8%

Median earnings by type of work

Type of work04858U.S.
Management, business, science and arts$62,917$74,888
Service$30,313$26,804
Sales and office$43,333$40,476
Construction and maintenance$49,688$49,199
Production and transportation$33,333$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
3%
High school
36%
Some college
14%
Associate's
2%
Bachelor's
29%
Graduate
16%
High school graduate or higher
96.9%
Bachelor's degree or higher
44.4%
Graduate or professional degree
15.7%
Households with broadband
92.3%
Cable, fiber or DSL
74.2%
No internet access
7.2%
Without health insurance
4.6%
Limited-English households
0%

Geography

City (USPS)
South Thomaston
State
Maine
Center point
44.0465° N, 69.1541° W
Land area
11 sq mi
Water area
3.2 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Zip codes near 04858

ZipCityDistanceIncome
04854Owls Head3.1 mi$87,325
04859Spruce Head3.5 mi$75,341
04861Thomaston4.3 mi$56,435
04563Cushing5.7 mi$83,500
04841Rockland6.1 mi$56,533
04864Warren7.2 mi$74,616
04860Tenants Harbor8.3 mi$86,833
04856Rockport9.4 mi$86,979
04547Friendship10 mi$75,625
04865West Rockport · PO box10 mi—
04855Port Clyde10 mi$250,000+
04572Waldoboro13 mi$69,107

Zip codes like 04858 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 04858

What city is zip code 04858?

04858 is assigned to South Thomaston, Maine. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 04858 in?

04858 is in Knox County, Maine.

What is the population of 04858?

About 1,378 people live in 04858, according to the Census Bureau's American Community Survey.

What time zone is 04858 in?

04858 is in Eastern Time.

What is the median household income in 04858?

The median household income in 04858 is $87,059.

What zip codes are near 04858?

The closest zip codes to 04858 are 04854, 04859, 04861, 04563, 04841.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 04858, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.