04364 ZIP Code — Winthrop, ME
Kennebec County, Maine
ZIP code 04364 is located in Winthrop, Maine, within Kennebec County. It covers approximately 31.14 square miles and serves a population of 6,138 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.
About ZIP code 04364
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $239,500. Owner-occupancy is high at 84%, well above the national average.
Median household income is $79,273.
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 39% of residents holding a bachelor's degree or higher.
6,138
population
31.14
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
04364 ZIP code map
Cities in ZIP code 04364
Below are the cities the US Postal Service accepts for ZIP code 04364. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Winthrop | Preferred |
Nearby ZIP codes
04265 North Monmouth (4.4 mi)
04351 Manchester (4.8 mi)
04355 Readfield (5.4 mi)
04284 Wayne (5.7 mi)
04259 Monmouth (6.4 mi)
04347 Hallowell (7.4 mi)
04263 Leeds (8.8 mi)
04333 Augusta (8.9 mi)
04336 Augusta (9 mi)
04349 Kents Hill (10.1 mi)
04350 Litchfield (10.2 mi)
04352 Mount Vernon (11.2 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 6,138 |
| Population density | 197 / sq mi |
| State FIPS | 23 |
| County FIPS | 011 |
| Geography | |
|---|---|
| Land area | 31.14 sq mi |
| Water area | 6.74 sq mi |
| Latitude | 44.3119 |
| Longitude | -69.9625 |
| 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 | 39.9% | 45.7% | 42.3% |
| $50k – $100k | 37.1% | 32.0% | 32.3% |
| $100k – $200k | 20.4% | 18.4% | 20.6% |
| Over $200k | 2.6% | 3.8% | 4.9% |
Demographics & statistics
6,138
Population
197
People per sq mi
41.8
Median age
$79,273
Median household income
$36,602
Per capita income
$239,500
Median home value
$1,002
Median monthly rent
83.5%
Home ownership
11.8%
Poverty rate
2.8%
Unemployment
2,854
Housing units
39.4%
Bachelor's or higher
Age distribution
Male
Female
168
Under 5
169
158
5–9
159
288
10–14
289
188
15–19
189
116
20–24
116
431
25–34
432
350
35–44
351
375
45–54
376
184
55–59
185
226
60–64
226
403
65–74
403
137
75–84
137
41
85+
41
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,516 | 24.7% |
| 18 and over | 4,622 | 75.3% |
| 65 and over | 1,162 | 18.9% |
| Median age | 41.8 years | |
Race & ethnicity
White
90.8%
Black or African American
5%
Two or more races
3%
Hispanic or Latino
0.6%
American Indian / Alaska Native
0.4%
Asian
0.2%
| Group | Count | % |
|---|---|---|
| White | 5,605 | 90.8% |
| Black or African American | 307 | 5% |
| Two or more races | 187 | 3% |
| Hispanic or Latino | 34 | 0.6% |
| American Indian / Alaska Native | 25 | 0.4% |
| Asian | 14 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.9% | 45.7% | 42.3% |
| $50k – $100k | 37.1% | 32.0% | 32.3% |
| $100k – $200k | 20.4% | 18.4% | 20.6% |
| Over $200k | 2.6% | 3.8% | 4.9% |
Under $10k
3.1%
$10k–$15k
0.4%
$15k–$25k
3.9%
$25k–$35k
10.6%
$35k–$50k
15.7%
$50k–$75k
12.5%
$75k–$100k
25.1%
$100k–$150k
13.4%
$150k–$200k
9.3%
$200k+
6.1%
| Range | % of households |
|---|---|
| Under $10k | 3.1% |
| $10k–$15k | 0.4% |
| $15k–$25k | 3.9% |
| $25k–$35k | 10.6% |
| $35k–$50k | 15.7% |
| $50k–$75k | 12.5% |
| $75k–$100k | 25.1% |
| $100k–$150k | 13.4% |
| $150k–$200k | 9.3% |
| $200k+ | 6.1% |
| Median income | $79,273 |
Housing
Home values
Under $50k
5.8%
$50k–$100k
3.7%
$100k–$150k
5.5%
$150k–$200k
17.2%
$200k–$300k
35.5%
$300k–$500k
23.7%
$500k–$1M
7.9%
$1M+
0.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $239,500 |
| Median rent / month | $1,002 |
| Owner occupied | 83.5% |
| Renter occupied | 16.5% |
| Vacant | 21.7% |
| Single-family detached | 74.6% |
| Large apartment buildings | 1.4% |
| Mobile homes | 13.4% |
| Median rooms | 6.1 |
| Avg household size (owned) | 2.48 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 4.1% |
| 2000–2009 | 8.3% |
| 1990–1999 | 13.3% |
| 1980–1989 | 18.9% |
| 1970–1979 | 19.3% |
| 1960–1969 | 3.0% |
| 1950–1959 | 4.2% |
| 1940–1949 | 6.1% |
| 1939 or earlier | 22.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.8% |
| 1 bedroom | 7.0% |
| 2 bedrooms | 24.1% |
| 3 bedrooms | 39.3% |
| 4 bedrooms | 25.4% |
| 5+ bedrooms | 2.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.8% |
| 1 vehicle | 34.1% |
| 2 vehicles | 45.1% |
| 3 or more | 19.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 1.8% |
| Electricity | 9.8% |
| Propane / LP gas | 7.9% |
| Fuel oil | 66.1% |
| Wood | 12.0% |
| Solar | 0.3% |
| No fuel used | 1.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,239 | 48.3% |
| Cohabiting couple | 251 | 9.8% |
| Male householder, no spouse | 499 | 19.4% |
| Female householder, no spouse | 578 | 22.5% |
| Households with children under 18 | 730 | 28.4% |
| Households with seniors (65+) | 774 | 30.2% |
| Average household size | 2.36 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.0% | 28.3% |
| Married | 51.2% | 51.1% |
| Separated | 2.2% | 0.0% |
| Widowed | 3.5% | 6.2% |
| Divorced | 13.1% | 14.4% |
Education
Less than 9th grade
0.4%
Some HS, no diploma
1.4%
HS graduate
25.9%
Some college, no degree
17.4%
Associate's degree
15.4%
Bachelor's degree
28.5%
Graduate / professional
11.0%
| Metric | % |
|---|---|
| HS diploma or higher | 98.2% |
| Bachelor's or higher | 39.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 37 | 2.6% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 865 | 61.1% |
| High school | 328 | 23.2% |
| College / grad school | 186 | 13.1% |
Employment
Industry of employment
Education & healthcare
25.6%
Retail trade
12.6%
Finance & real estate
10.7%
Public administration
10.0%
Professional & management
7.8%
Other services
5.7%
Manufacturing
5.6%
Arts, food & hospitality
5.5%
Construction
4.6%
Wholesale trade
3.7%
Agriculture & mining
3.1%
Information
3.1%
Transportation & utilities
2.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 50.3% |
| Service | 14.3% |
| Sales & office | 21.9% |
| Natural resources & construction | 8.7% |
| Production & transportation | 4.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 72.5% |
| Government | 16.2% |
| Self-employed | 11.4% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 80.0% |
| Carpool | 4.3% |
| Public transit | 0.0% |
| Walk | 0.4% |
| Work from home | 14.9% |
| Other means | 0.3% |
| Avg commute (minutes) | 29.2 |
Poverty
All people
11.8%
Under 18 years
24.4%
18 and over
7.8%
Married-couple families
3.6%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.3% |
| Retirement income | 28.1% |
| Supplemental Security | 4.2% |
| Cash public assistance | 1.7% |
| Food stamps / SNAP | 4.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 33.1% |
| High blood pressure | 32.7% |
| High cholesterol | 32.6% |
| Diabetes | 9.8% |
| Heart disease | 7.0% |
| Stroke | 2.9% |
| Asthma | 10.5% |
| Arthritis | 28.0% |
| Kidney disease | 2.9% |
| Pulmonary disease | 7.6% |
| Cancer | 7.8% |
| Behavior / access | % |
|---|---|
| Smoking | 15.4% |
| Binge drinking | 15.3% |
| No physical activity | 19.3% |
| Less than 7 hrs sleep | 28.0% |
| Depression | 22.2% |
| Fair or poor health | 11.2% |
| Poor mental health | 12.9% |
| Poor physical health | 9.2% |
| No health insurance | 10.0% |
| Visited doctor (checkup) | 80.4% |
| Visited dentist | 71.7% |
| Cholesterol screening | 91.1% |
| Teeth loss | 13.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 333 | 7.2% |
| Disability | % |
|---|---|
| Any disability | 13.9% |
| Under 18 | 4.3% |
| 18–64 years | 17.6% |
| 65 and over | 15.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 76.5% |
| Public insurance | 35.0% |
| No insurance | 5.5% |
| Uninsured under 19 | 2.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 5,801 | 94.5% |
| Spanish | 21 | 0.4% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 5,896 | 96.1% |
| Born in same state | 5,832 | 95.0% |
| Born in different state | 4,247 | 69.2% |
| Foreign born | 64 | 1.0% |
| Naturalized citizen | 242 | 3.9% |
| Not a US citizen | 156 | 64.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 1,319 | 21.5% |
| Italian | 1,074 | 17.5% |
| German | 237 | 3.9% |
| Arab | 194 | 3.2% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 110 | 1.8% |
| Norwegian | 86 | 1.4% |
| Irish | 37 | 0.6% |
| Dutch | 20 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.8% |
| Internet access | 95.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 04364
What city is ZIP code 04364 in?
ZIP code 04364 is primarily assigned to Winthrop, Maine.
What county is ZIP code 04364 in?
ZIP code 04364 falls within Kennebec County, Maine.
Is ZIP code 04364 mostly owner-occupied?
84% of occupied units in ZIP code 04364 are owner-occupied, well above the national average.
What is the population of ZIP code 04364?
ZIP code 04364 has an estimated population of 6,138 residents, with a density of 197 people per square mile.
What is the median household income in ZIP code 04364?
The median household income in ZIP code 04364 is $79,273, above the national median of ~$75,000.
What is the typical home value in ZIP code 04364?
The median home value in ZIP code 04364 is $239,500.
What timezone is ZIP code 04364 in?
ZIP code 04364 observes the EST timezone.