04358 ZIP Code — South China, ME

Kennebec County, Maine

ZIP code 04358 is located in South China, Maine, within Kennebec County. It covers approximately 49.85 square miles and serves a population of 4,434 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04358

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $212,700. Owner-occupancy is high at 93%, well above the national average.

Median household income is $94,645. The poverty rate of 4% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

4,434
population
49.85
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
04358 ZIP code map
Cities in ZIP code 04358

Below are the cities the US Postal Service accepts for ZIP code 04358. Using any city not on this list may result in mail delivery delays.

City Status
South China Acceptable
South China Preferred
Nearby ZIP codes
04354 Palermo (5.6 mi) 04989 Vassalboro (5.8 mi) 04363 Windsor (7.9 mi) 04910 Albion (8.1 mi) 04901 Waterville (9.8 mi) 04330 Augusta (10.3 mi) 04949 Liberty (10.5 mi) 04574 Washington (12.3 mi) 04941 Freedom (13.2 mi) 04348 Jefferson (13.8 mi) 04336 Augusta (14.4 mi) 04333 Augusta (14.7 mi)
Demographics updated 05/2026
Population
Total population 4,434
Population density 89 / sq mi
State FIPS 23
County FIPS 011
Geography
Land area 49.85 sq mi
Water area 6.96 sq mi
Latitude 44.4205
Longitude -69.5314
Timezone Eastern (ET)
Area code 207
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 29.6% 45.7% 42.3%
$50k – $100k 41.2% 32.0% 32.3%
$100k – $200k 23.9% 18.4% 20.6%
Over $200k 5.2% 3.8% 4.9%

Demographics & statistics

4,434
Population
89
People per sq mi
40.4
Median age
$94,645
Median household income
$44,730
Per capita income
$212,700
Median home value
$979
Median monthly rent
93.0%
Home ownership
4.4%
Poverty rate
0.9%
Unemployment
2,428
Housing units
31.2%
Bachelor's or higher

Age distribution

Male Female
168
Under 5
171
76
5–9
78
131
10–14
133
95
15–19
97
71
20–24
73
325
25–34
332
418
35–44
427
255
45–54
259
207
55–59
211
165
60–64
168
164
65–74
167
109
75–84
112
11
85+
11
← Male
Female →

Age summary

GroupCount%
Under 1891020.5%
18 and over3,52479.5%
65 and over57412.9%
Median age40.4 years

Race & ethnicity

White 95.7%
Two or more races 2%
Hispanic or Latino 1%
Asian 0.7%
Black or African American 0.6%
GroupCount%
White4,28595.7%
Two or more races892%
Hispanic or Latino431%
Asian310.7%
Black or African American290.6%

Household income

Income range This ZIP County avg State avg
Under $50k 29.6% 45.7% 42.3%
$50k – $100k 41.2% 32.0% 32.3%
$100k – $200k 23.9% 18.4% 20.6%
Over $200k 5.2% 3.8% 4.9%
Under $10k 2.8%
$10k–$15k 1.5%
$15k–$25k 3.4%
$25k–$35k 3.3%
$35k–$50k 6.9%
$50k–$75k 17.2%
$75k–$100k 22.3%
$100k–$150k 26.6%
$150k–$200k 8.9%
$200k+ 7.1%
Range% of households
Under $10k2.8%
$10k–$15k1.5%
$15k–$25k3.4%
$25k–$35k3.3%
$35k–$50k6.9%
$50k–$75k17.2%
$75k–$100k22.3%
$100k–$150k26.6%
$150k–$200k8.9%
$200k+7.1%
Median income$94,645

Housing

Home values

Under $50k 1.9%
$50k–$100k 3.8%
$100k–$150k 17.7%
$150k–$200k 21.3%
$200k–$300k 41.0%
$300k–$500k 10.3%
$500k–$1M 3.5%
$1M+ 0.5%

Housing overview

MetricValue
Median home value$212,700
Median rent / month$979
Owner occupied93.0%
Renter occupied7.0%
Vacant26.3%
Single-family detached88.8%
Large apartment buildings0.0%
Mobile homes7.8%
Median rooms5.6
Avg household size (owned)2.35

Year built

Era%
2020 or later0.3%
2010–20196.3%
2000–200914.2%
1990–199911.3%
1980–198913.4%
1970–197917.7%
1960–196910.0%
1950–19596.2%
1940–19494.5%
1939 or earlier16.0%

Bedrooms

Size% of units
No bedroom (studio)0.9%
1 bedroom8.0%
2 bedrooms27.0%
3 bedrooms44.5%
4 bedrooms18.6%
5+ bedrooms1.1%

Vehicles per household

Vehicles% of households
No vehicle1.9%
1 vehicle17.8%
2 vehicles42.8%
3 or more37.6%

Heating fuel

Fuel type%
Electricity2.0%
Propane / LP gas20.7%
Fuel oil57.6%
Wood19.3%
No fuel used0.4%

Households & families

Household typeCount%
Married-couple family1,10258.4%
Cohabiting couple1306.9%
Male householder, no spouse38720.5%
Female householder, no spouse26814.2%
Households with children under 1859831.7%
Households with seniors (65+)42722.6%
Average household size2.35

Marital status

StatusMaleFemale
Never married17.3%15.5%
Married59.7%64.9%
Separated4.0%0.0%
Widowed1.5%4.6%
Divorced17.5%15.0%

Education

Less than 9th grade 0.2%
Some HS, no diploma 4.2%
HS graduate 33.4%
Some college, no degree 20.9%
Associate's degree 10.1%
Bachelor's degree 19.6%
Graduate / professional 11.6%
Metric%
HS diploma or higher95.6%
Bachelor's or higher31.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool759.0%
Kindergarten688.2%
Elementary school24129.0%
High school27132.7%
College / grad school17521.1%

Employment

Industry of employment

Education & healthcare 28.9%
Construction 15.1%
Professional & management 9.5%
Transportation & utilities 7.2%
Manufacturing 6.3%
Retail trade 6.3%
Public administration 6.1%
Arts, food & hospitality 4.8%
Other services 4.5%
Finance & real estate 3.9%
Wholesale trade 3.4%
Information 3.0%
Agriculture & mining 0.9%

Occupation

Category%
Management, business & arts36.8%
Service16.2%
Sales & office18.5%
Natural resources & construction18.4%
Production & transportation10.2%

Employment type

Type%
Private sector61.9%
Government25.8%
Self-employed12.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone79.9%
Carpool6.7%
Public transit0.9%
Walk2.2%
Work from home9.7%
Other means0.6%
Avg commute (minutes)29.1

Poverty

All people 4.4%
Under 18 years 2.0%
18 and over 5.1%
Married-couple families 3.3%
Female-led households 19.8%

Income support

Source% of households
Social Security25.4%
Retirement income21.7%
Supplemental Security2.9%
Cash public assistance0.8%
Food stamps / SNAP3.0%

Health indicators

Condition%
Obesity33.4%
High blood pressure29.9%
High cholesterol30.8%
Diabetes8.8%
Heart disease6.0%
Stroke2.5%
Asthma10.5%
Arthritis25.0%
Kidney disease2.5%
Pulmonary disease7.0%
Cancer6.6%
Behavior / access%
Smoking16.8%
Binge drinking16.7%
No physical activity18.8%
Less than 7 hrs sleep28.9%
Depression22.6%
Fair or poor health10.5%
Poor mental health13.4%
Poor physical health8.8%
No health insurance10.7%
Visited doctor (checkup)78.7%
Visited dentist71.2%
Cholesterol screening90.1%
Teeth loss13.3%

Veterans & disability

VeteransCount%
Civilian veterans2637.5%
Disability%
Any disability12.2%
Under 181.9%
18–64 years9.8%
65 and over40.4%

Health insurance coverage

Type%
Private insurance80.2%
Public insurance24.1%
No insurance6.2%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only4,09592.4%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)4,39599.1%
Born in same state4,34698.0%
Born in different state3,26473.6%
Foreign born491.1%
Naturalized citizen390.9%
Not a US citizen39100.0%

Ancestry

AncestryCount%
French1,16426.3%
Italian73516.6%
German3447.8%
Arab2445.5%
English801.8%
AncestryCount%
Irish290.7%
Norwegian180.4%
Dutch170.4%
Polish110.2%

Technology access

Metric% of households
Computer access42.6%
Internet access98.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 04358

What city is ZIP code 04358 in?

ZIP code 04358 is primarily assigned to South China, Maine.

What county is ZIP code 04358 in?

ZIP code 04358 falls within Kennebec County, Maine.

Is ZIP code 04358 mostly owner-occupied?

93% of occupied units in ZIP code 04358 are owner-occupied, well above the national average.

What is the population of ZIP code 04358?

ZIP code 04358 has an estimated population of 4,434 residents, with a density of 89 people per square mile.

What is the median household income in ZIP code 04358?

The median household income in ZIP code 04358 is $94,645, above the national median of ~$75,000.

What is the typical home value in ZIP code 04358?

The median home value in ZIP code 04358 is $212,700.

What timezone is ZIP code 04358 in?

ZIP code 04358 observes the EST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →