PlainZIP

Bath, ME · standard

ZIP Code 04530

Sagadahoc County, Maine - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

10,818
145/sq mi
$79,649
Median income
$336,800
Median home value
45.0%
Bachelor's or higher

The verdict

Bath pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 38%
household income, US ZIPs
Top 28%
home value, US ZIPs
145
people per sq mi
69%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 04530 against every reporting US ZIP.

ZIP code 04530 is a mid-sized community (a standard USPS delivery area) in Bath, Sagadahoc County, Maine, home to 10,818 residents across 74.6 square miles, a density of 145 people per square mile, in the New York time zone.

ZIP 04530 lands in the middle-income range, with a median household income of $79,649 (8% above the Maine average), while per-capita income is $48,229. Poverty here runs at 11.0%, with unemployment measured at 5.4%. Housing costs here run $336,800 for a typical home value (19% above the state average), with rent averaging $1,053 a month; 68.5% of homes are owner-occupied.

A solid share of residents have a four-year degree: 45.0% of adults hold a bachelor's degree or higher, the median age is 47, and the average commute is 24 minutes. Beyond these figures, 9 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Sagadahoc County, letting you compare 04530 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 04530

Top 5 sectors by establishment count in Bath, ME

Which industries have the most business establishments in ZIP 04530.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 04530, Bath, ME · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

10,818

Population

74.6

Area (sq mi)

145

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 04530?

47.0

Median Age

47.1%

Male

52.9%

Female

2.4%

Foreign-Born

White 92.9%
African American 0.4%
Asian 1.6%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.6%
Hispanic or Latino 0.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$79,649

Median Household Income

+8% vs state

$48,229

Per Capita Income

11.0%

Poverty Rate

5.4%

Unemployment Rate

23.7 min

Mean Commute Time

How ZIP 04530 ranks nationally

Bath, ME household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$79,649 Top 38% higher than 62% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 68.3%
Bachelor's Degree or Higher 45.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

6,139

Total Housing Units

5,402

Occupied Units

737

Vacant Units

2.06

Avg Household Size

Occupancy Type

Owner 68.5%
Renter 31.5%

$336,800

Median Home Value

+19% vs state

$1,053

Median Rent

1944

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+9.5%

YoY Change (2024)

335

HPI Index (2000 = 100)

+235%

Total Change Since 2000

Home values in ZIP 04530 have increased 9.5% over the past year (2024). Since 2000, this ZIP has seen +235% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.7% 200
2021 +17.4% 235
2022 +22.8% 288
2023 +6.0% 305
2024 +9.5% 335

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 356 business establishments in ZIP 04530, employing approximately 9,394 people with a combined annual payroll of $591,318,000.

356

Businesses

9,394

Employees

$591.3M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Retail trade 55 15.4%
Construction 52 14.6%
Health care and social assistance 45 12.6%
Professional, scientific, and technical services 41 11.5%
Other services (except public administration) 35 9.8%
Accommodation and food services 34 9.6%
Finance and insurance 17 4.8%
Administrative and support and waste management and remediation services 16 4.5%
Real estate and rental and leasing 15 4.2%
Arts, entertainment, and recreation 13 3.6%
Manufacturing 11 3.1%
Wholesale trade 7 2.0%
Educational services 6 1.7%
Information 4 1.1%
Transportation and warehousing 3 0.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 04530 vs 04562 →

ZIP 04530 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 04530 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 04530 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 04530 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
04562 Phippsburg, ME 2,216 7.2 mi
04579 Woolwich, ME 3,072 5.8 mi
04011 Brunswick, ME 20,278 7.3 mi
04548 Georgetown, ME 1,042 6.7 mi
04008 Bowdoinham, ME 2,723 10.2 mi
04086 Topsham, ME 8,787 8.0 mi
04079 Harpswell, ME 3,871 8.5 mi
04578 Wiscasset, ME 4,450 9.3 mi
04066 Orrs Island, ME 539 10.7 mi

More ZIP Codes in Sagadahoc County

04086 standard
Topsham, ME
Pop: 8,787
04357 standard
Richmond, ME
Pop: 3,399
04287 standard
Bowdoin, ME
Pop: 3,224
04579 standard
Woolwich, ME
Pop: 3,072
04008 standard
Bowdoinham, ME
Pop: 2,723
04562 standard
Phippsburg, ME
Pop: 2,216

Related Areas

Sagadahoc County Bath, ME Maine

Frequently Asked Questions

What county is ZIP code 04530 in? ▼
ZIP code 04530 (Bath) is located in Sagadahoc County, Maine. Sagadahoc County contains multiple ZIP codes, see the full list at /counties/sagadahoc-me.
What is the population of ZIP code 04530? ▼
ZIP code 04530 in Bath, ME has a population of 10,818 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 04530? ▼
The median household income in ZIP 04530 is $79,649, which is 4% above the national average of $76,288.
What is the average home value in ZIP 04530? ▼
The median home value in ZIP 04530 is $336,800, which is 21% above the national average of $278,155.
What is the demographic makeup of ZIP 04530? ▼
The largest racial group in ZIP 04530 is White at 92.9%. Hispanic or Latino residents make up 0.9% of the population.
How many businesses are in ZIP code 04530? ▼
ZIP code 04530 has 356 business establishments employing approximately 9,394 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 04530? ▼
The top industries by establishment count in ZIP 04530 are: Retail trade (55), Construction (52), Health care and social assistance (45). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 04530? ▼
According to the FHFA House Price Index, home values in ZIP 04530 increased by 9.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 235%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 04530? ▼
In ZIP code 04530, 68.3% of residents aged 25+ have a high school diploma or higher, and 45.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 04530? ▼
The mean commute time for workers in ZIP code 04530 is 23.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 04530? ▼
In ZIP code 04530, approximately 68.5% of occupied housing units are owner-occupied and 31.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 04530? ▼
The poverty rate in ZIP code 04530 is 11.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.