04530 ZIP Code — Bath, ME
Sagadahoc County, Maine
ZIP code 04530 is located in Bath, Maine, within Sagadahoc County. It covers approximately 28.77 square miles and serves a population of 11,584 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.
About ZIP code 04530
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $281,300. Owner-occupancy sits near the national average at 66%.
Median household income is $69,587. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.
11,584
population
28.77
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
04530 ZIP code map
Cities in ZIP code 04530
Below are the cities the US Postal Service accepts for ZIP code 04530. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Bath | Acceptable |
| Bath | Preferred |
Nearby ZIP codes
04548 Georgetown (4.8 mi)
04562 Phippsburg (5.6 mi)
04549 Isle Of Springs (6 mi)
04579 Woolwich (6.1 mi)
04571 Trevett (6.7 mi)
04576 Southport (7.5 mi)
04011 Brunswick (8.7 mi)
04537 Boothbay (8.9 mi)
04538 Boothbay Harbor (9.2 mi)
04578 Wiscasset (9.3 mi)
04079 Harpswell (9.5 mi)
04066 Orrs Island (10.6 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 11,584 |
| Population density | 403 / sq mi |
| State FIPS | 23 |
| County FIPS | 023 |
| Geography | |
|---|---|
| Land area | 28.77 sq mi |
| Water area | 10.24 sq mi |
| Latitude | 43.8682 |
| Longitude | -69.8017 |
| 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 | 43.2% | 36.9% | 42.3% |
| $50k – $100k | 33.1% | 36.7% | 32.3% |
| $100k – $200k | 20.6% | 23.2% | 20.6% |
| Over $200k | 3.1% | 3.2% | 4.9% |
Demographics & statistics
11,584
Population
403
People per sq mi
45.1
Median age
$69,587
Median household income
$40,630
Per capita income
$281,300
Median home value
$946
Median monthly rent
66.1%
Home ownership
11.6%
Poverty rate
5.1%
Unemployment
4,218
Housing units
39.3%
Bachelor's or higher
Age distribution
Male
Female
205
Under 5
204
205
5–9
205
533
10–14
532
244
15–19
243
395
20–24
395
661
25–34
660
649
35–44
648
731
45–54
731
374
55–59
374
442
60–64
441
847
65–74
847
413
75–84
413
96
85+
96
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 2,158 | 18.6% |
| 18 and over | 9,426 | 81.4% |
| 65 and over | 2,712 | 23.4% |
| Median age | 45.1 years | |
Race & ethnicity
White
94.9%
Two or more races
2.9%
Asian
1%
Black or African American
0.7%
Hispanic or Latino
0.3%
Other race
0.2%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 11,024 | 94.9% |
| Two or more races | 332 | 2.9% |
| Asian | 112 | 1% |
| Black or African American | 81 | 0.7% |
| Hispanic or Latino | 32 | 0.3% |
| Other race | 24 | 0.2% |
| American Indian / Alaska Native | 11 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 43.2% | 36.9% | 42.3% |
| $50k – $100k | 33.1% | 36.7% | 32.3% |
| $100k – $200k | 20.6% | 23.2% | 20.6% |
| Over $200k | 3.1% | 3.2% | 4.9% |
Under $10k
4.9%
$10k–$15k
2.7%
$15k–$25k
9.7%
$25k–$35k
5.7%
$35k–$50k
12.0%
$50k–$75k
16.5%
$75k–$100k
14.1%
$100k–$150k
19.7%
$150k–$200k
9.5%
$200k+
5.0%
| Range | % of households |
|---|---|
| Under $10k | 4.9% |
| $10k–$15k | 2.7% |
| $15k–$25k | 9.7% |
| $25k–$35k | 5.7% |
| $35k–$50k | 12.0% |
| $50k–$75k | 16.5% |
| $75k–$100k | 14.1% |
| $100k–$150k | 19.7% |
| $150k–$200k | 9.5% |
| $200k+ | 5.0% |
| Median income | $69,587 |
Housing
Home values
Under $50k
3.2%
$50k–$100k
0.8%
$100k–$150k
8.3%
$150k–$200k
13.1%
$200k–$300k
28.5%
$300k–$500k
28.3%
$500k–$1M
14.4%
$1M+
3.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $281,300 |
| Median rent / month | $946 |
| Owner occupied | 66.1% |
| Renter occupied | 33.9% |
| Vacant | 13.5% |
| Single-family detached | 62.8% |
| Large apartment buildings | 2.6% |
| Mobile homes | 2.0% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.44 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.1% |
| 2000–2009 | 4.1% |
| 1990–1999 | 8.7% |
| 1980–1989 | 10.7% |
| 1970–1979 | 10.6% |
| 1960–1969 | 5.1% |
| 1950–1959 | 5.3% |
| 1940–1949 | 5.8% |
| 1939 or earlier | 46.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.4% |
| 1 bedroom | 14.2% |
| 2 bedrooms | 28.7% |
| 3 bedrooms | 34.1% |
| 4 bedrooms | 15.3% |
| 5+ bedrooms | 4.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.0% |
| 1 vehicle | 37.7% |
| 2 vehicles | 37.0% |
| 3 or more | 17.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 5.9% |
| Electricity | 9.4% |
| Propane / LP gas | 15.3% |
| Fuel oil | 60.0% |
| Wood | 7.0% |
| Solar | 0.2% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,390 | 46.3% |
| Cohabiting couple | 525 | 10.2% |
| Male householder, no spouse | 786 | 15.2% |
| Female householder, no spouse | 1,466 | 28.4% |
| Households with children under 18 | 1,336 | 25.9% |
| Households with seniors (65+) | 1,919 | 37.1% |
| Average household size | 2.22 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.6% | 25.7% |
| Married | 54.7% | 49.9% |
| Separated | 0.3% | 1.5% |
| Widowed | 2.5% | 8.7% |
| Divorced | 11.9% | 14.3% |
Education
Less than 9th grade
1.3%
Some HS, no diploma
4.6%
HS graduate
24.7%
Some college, no degree
19.7%
Associate's degree
10.3%
Bachelor's degree
21.7%
Graduate / professional
17.6%
| Metric | % |
|---|---|
| HS diploma or higher | 94.0% |
| Bachelor's or higher | 39.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 120 | 5.0% |
| Kindergarten | 31 | 1.3% |
| Elementary school | 1,226 | 51.3% |
| High school | 451 | 18.9% |
| College / grad school | 560 | 23.5% |
Employment
Industry of employment
Education & healthcare
25.3%
Manufacturing
15.3%
Professional & management
11.9%
Construction
11.5%
Retail trade
9.9%
Arts, food & hospitality
8.8%
Finance & real estate
5.9%
Public administration
3.1%
Other services
2.7%
Transportation & utilities
1.9%
Agriculture & mining
1.5%
Information
1.2%
Wholesale trade
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.8% |
| Service | 16.6% |
| Sales & office | 16.3% |
| Natural resources & construction | 13.6% |
| Production & transportation | 6.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.2% |
| Government | 10.3% |
| Self-employed | 10.5% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 65.9% |
| Carpool | 7.8% |
| Public transit | 0.0% |
| Walk | 9.0% |
| Work from home | 15.8% |
| Other means | 1.5% |
| Avg commute (minutes) | 21.6 |
Poverty
All people
11.6%
Under 18 years
15.3%
18 and over
10.8%
Married-couple families
0.2%
Female-led households
35.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.8% |
| Retirement income | 24.4% |
| Supplemental Security | 5.4% |
| Cash public assistance | 3.3% |
| Food stamps / SNAP | 11.8% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 32.2% |
| High blood pressure | 33.8% |
| High cholesterol | 32.8% |
| Diabetes | 9.6% |
| Heart disease | 7.0% |
| Stroke | 3.1% |
| Asthma | 10.8% |
| Arthritis | 27.0% |
| Kidney disease | 3.0% |
| Pulmonary disease | 8.1% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Smoking | 17.0% |
| Binge drinking | 15.1% |
| No physical activity | 19.2% |
| Less than 7 hrs sleep | 32.5% |
| Depression | 23.8% |
| Fair or poor health | 12.4% |
| Poor mental health | 13.5% |
| Poor physical health | 9.4% |
| No health insurance | 11.7% |
| Visited doctor (checkup) | 78.3% |
| Visited dentist | 66.9% |
| Cholesterol screening | 89.8% |
| Teeth loss | 14.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 908 | 9.6% |
| Disability | % |
|---|---|
| Any disability | 11.9% |
| Under 18 | 2.8% |
| 18–64 years | 8.7% |
| 65 and over | 27.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 69.8% |
| Public insurance | 36.8% |
| No insurance | 8.9% |
| Uninsured under 19 | 10.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 11,175 | 96.5% |
| Spanish | 72 | 0.6% |
| Other Indo-European | 8 | 0.1% |
| Asian & Pacific Islander | 23 | 0.2% |
| Other languages | 41 | 0.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 11,161 | 96.3% |
| Born in same state | 10,937 | 94.4% |
| Born in different state | 6,809 | 58.8% |
| Foreign born | 224 | 1.9% |
| Naturalized citizen | 423 | 3.7% |
| Not a US citizen | 190 | 44.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,329 | 20.1% |
| Italian | 1,781 | 15.4% |
| Arab | 997 | 8.6% |
| German | 541 | 4.7% |
| English | 156 | 1.3% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 111 | 1% |
| Polish | 90 | 0.8% |
| Norwegian | 28 | 0.2% |
| Irish | 3 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.6% |
| Internet access | 97.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 04530
What city is ZIP code 04530 in?
ZIP code 04530 is primarily assigned to Bath, Maine.
What county is ZIP code 04530 in?
ZIP code 04530 falls within Sagadahoc County, Maine.
Does ZIP code 04530 have a large veteran population?
10% of civilians in ZIP code 04530 are veterans, above the national average of ~7%.
What is the population of ZIP code 04530?
ZIP code 04530 has an estimated population of 11,584 residents, with a density of 403 people per square mile.
What is the typical home value in ZIP code 04530?
The median home value in ZIP code 04530 is $281,300.
What is the median household income in ZIP code 04530?
The median household income in ZIP code 04530 is $69,587, below the national median of ~$75,000.
What timezone is ZIP code 04530 in?
ZIP code 04530 observes the EST timezone.