PlainZIP

Wiscasset, ME · standard

ZIP Code 04578

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

4,450
51/sq mi
$81,063
Median income
$327,400
Median home value
37.1%
Bachelor's or higher

The verdict

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

Top 37%
household income, US ZIPs
Top 30%
home value, US ZIPs
51
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 04578 against every reporting US ZIP.

ZIP code 04578 covers 86.6 square miles in Wiscasset, Lincoln County, Maine (a standard USPS delivery area), with a modest 4,450 residents on file, a density of 51 people per square mile, in the New York time zone.

ZIP 04578 lands in the middle-income range, with a median household income of $81,063 (10% above the Maine average), while per-capita income is $43,393. Local economic indicators show a 5.5% poverty rate alongside 2.5% unemployment. Median home value sits at $327,400 (15% above the state average), median rent at $1,480 a month, and owner-occupancy at 84.8%.

A solid share of residents have a four-year degree: 37.1% of adults hold a bachelor's degree or higher, the median age is 52, and the average commute is 26 minutes. To put 04578 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Lincoln County, for a geography-aware comparison.

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 04578

Top 5 sectors by establishment count in Wiscasset, ME

Which industries have the most business establishments in ZIP 04578.

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 04578, Wiscasset, 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

4,450

Population

86.6

Area (sq mi)

51

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 04578?

52.0

Median Age

56.3%

Male

43.7%

Female

1.8%

Foreign-Born

White 93.1%
African American 2.9%
Asian 1.6%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.0%
Hispanic or Latino 0.6%

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?

$81,063

Median Household Income

+10% vs state

$43,393

Per Capita Income

5.5%

Poverty Rate

2.5%

Unemployment Rate

25.8 min

Mean Commute Time

How ZIP 04578 ranks nationally

Wiscasset, ME household income vs. every US ZIP code

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

$81,063 Top 37% higher than 63% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 64.3%
Bachelor's Degree or Higher 37.1%

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

What does housing look like?

2,491

Total Housing Units

2,249

Occupied Units

242

Vacant Units

1.99

Avg Household Size

Occupancy Type

Owner 84.8%
Renter 15.2%

$327,400

Median Home Value

+15% vs state

$1,480

Median Rent

1983

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

+24.0%

YoY Change (2024)

253

HPI Index (2000 = 100)

+153%

Total Change Since 2000

Home values in ZIP 04578 have increased 24.0% over the past year (2024). Since 2000, this ZIP has seen +153% cumulative appreciation.

Year Annual Change HPI Index
2019 +2.8% 145
2020 +4.3% 152
2021 +8.7% 165
2022 +24.0% 204
2024 – 253

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 152 business establishments in ZIP 04578, employing approximately 2,311 people with a combined annual payroll of $51,742,000.

152

Businesses

2,311

Employees

$51.7M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Retail trade 31 20.4%
Construction 23 15.1%
Accommodation and food services 19 12.5%
Other services (except public administration) 13 8.6%
Professional, scientific, and technical services 9 5.9%
Manufacturing 8 5.3%
Administrative and support and waste management and remediation services 8 5.3%
Health care and social assistance 8 5.3%
Arts, entertainment, and recreation 6 4.0%
Finance and insurance 5 3.3%
Real estate and rental and leasing 5 3.3%
Agriculture, forestry, fishing and hunting 4 2.6%
Wholesale trade 4 2.6%
Educational services 3 2.0%

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 04578 vs 04556 →

ZIP 04578 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 04578 ranks the most populous - useful context the national average alone can't give.

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

ZIP 04578 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 04578 ranks #7 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
04556 Edgecomb, ME 1,249 3.6 mi
04579 Woolwich, ME 3,072 4.0 mi
04571 Trevett, ME 323 5.9 mi
04342 Dresden, ME 1,672 7.2 mi
04537 Boothbay, ME 2,073 6.8 mi
04575 West Boothbay Harbor, ME 85 9.0 mi
04535 Alna, ME 709 7.9 mi
04573 Walpole, ME 501 7.2 mi
04553 Newcastle, ME 1,752 7.6 mi
04538 Boothbay Harbor, ME 2,080 9.2 mi

More ZIP Codes in Lincoln County

04572 standard
Waldoboro, ME
Pop: 5,075
04348 standard
Jefferson, ME
Pop: 2,976
04353 standard
Whitefield, ME
Pop: 2,300
04543 standard
Damariscotta, ME
Pop: 2,218
04538 standard
Boothbay Harbor, ME
Pop: 2,080
04537 standard
Boothbay, ME
Pop: 2,073

Related Areas

Lincoln County Wiscasset, ME Maine

Frequently Asked Questions

What county is ZIP code 04578 in? ▼
ZIP code 04578 (Wiscasset) is located in Lincoln County, Maine. Lincoln County contains multiple ZIP codes, see the full list at /counties/lincoln-me.
What is the population of ZIP code 04578? ▼
ZIP code 04578 in Wiscasset, ME has a population of 4,450 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 04578? ▼
The median household income in ZIP 04578 is $81,063, which is 6% above the national average of $76,288.
What is the average home value in ZIP 04578? ▼
The median home value in ZIP 04578 is $327,400, which is 18% above the national average of $278,155.
What is the demographic makeup of ZIP 04578? ▼
The largest racial group in ZIP 04578 is White at 93.1%. Hispanic or Latino residents make up 0.6% of the population.
How many businesses are in ZIP code 04578? ▼
ZIP code 04578 has 152 business establishments employing approximately 2,311 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 04578? ▼
The top industries by establishment count in ZIP 04578 are: Retail trade (31), Construction (23), Accommodation and food services (19). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 04578? ▼
According to the FHFA House Price Index, home values in ZIP 04578 increased by 24.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 153%. 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 04578? ▼
In ZIP code 04578, 64.3% of residents aged 25+ have a high school diploma or higher, and 37.1% 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 04578? ▼
The mean commute time for workers in ZIP code 04578 is 25.8 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 04578? ▼
In ZIP code 04578, approximately 84.8% of occupied housing units are owner-occupied and 15.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 04578? ▼
The poverty rate in ZIP code 04578 is 5.5% 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.