PlainZIP

Peaks Island, ME · standard

ZIP Code 04108

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

862
280/sq mi
$94,318
Median income
$637,500
Median home value
71.3%
Bachelor's or higher

The verdict

Peaks Island pairs an upper-quartile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 23%
household income, US ZIPs
Top 8%
home value, US ZIPs
280
people per sq mi
89%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 04108 against every reporting US ZIP.

ZIP code 04108 is a sparsely populated ZIP (a standard USPS delivery area) in Peaks Island, Cumberland County, Maine, home to just 862 residents across 3.1 square miles, a density of 280 people per square mile, in the New York time zone.

ZIP 04108 lands in the middle-income range, with a median household income of $94,318 (28% above the Maine average), while per-capita income is $59,145. Poverty here runs at 7.6%, with unemployment measured at 2.0%. On housing, the median home value is $637,500 (125% above the state average) with median rent at $1,500 per month, and 88.7% of occupied units are owner-occupied.

This is a highly-educated ZIP: 71.3% of adults hold a bachelor's degree or higher, the median age is 61.7, and the average commute is -. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 04108, plus 6 more within Cumberland County, give a clearer read than the national average 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 04108

Top 5 sectors by establishment count in Peaks Island, ME

Which industries have the most business establishments in ZIP 04108.

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 04108, Peaks Island, 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

862

Population

3.1

Area (sq mi)

280

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 04108?

61.7

Median Age

48.3%

Male

51.7%

Female

2.3%

Foreign-Born

White 94.2%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.7%
Hispanic or Latino 2.2%

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?

$94,318

Median Household Income

+28% vs state

$59,145

Per Capita Income

7.6%

Poverty Rate

2.0%

Unemployment Rate

How ZIP 04108 ranks nationally

Peaks Island, ME household income vs. every US ZIP code

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

$94,318 Top 23% higher than 77% 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 81.7%
Bachelor's Degree or Higher 71.3%

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

What does housing look like?

1,002

Total Housing Units

406

Occupied Units

596

Vacant Units

2.03

Avg Household Size

Occupancy Type

Owner 88.7%
Renter 11.3%

$637,500

Median Home Value

+125% vs state

$1,500

Median Rent

1938

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

+2.3%

YoY Change (2024)

421

HPI Index (2000 = 100)

+321%

Total Change Since 2000

Home values in ZIP 04108 have increased 2.3% over the past year (2024). Since 2000, this ZIP has seen +321% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.3% 263
2021 +10.8% 291
2022 +13.4% 330
2023 +24.7% 412
2024 +2.3% 421

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 32 business establishments in ZIP 04108, employing approximately 106 people with a combined annual payroll of $7,425,000.

32

Businesses

106

Employees

$7.4M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 6 18.8%
Real estate and rental and leasing 5 15.6%
Construction 4 12.5%
Retail trade 4 12.5%
Health care and social assistance 4 12.5%

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 04108 vs 04109 →

ZIP 04108 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 04108 ranks #7 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 04108 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 04108 ranks #3 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
04109 Portland, ME 93 0.7 mi
04050 Long Island, ME 230 2.7 mi
04101 Portland, ME 17,227 3.5 mi
04110 Cumberland Foreside, ME 1,391 6.8 mi
04102 Portland, ME 17,335 5.9 mi
04019 Cliff Island, ME 71 4.9 mi
04107 Cape Elizabeth, ME 8,980 5.5 mi
04106 South Portland, ME 25,175 5.4 mi
04103 Portland, ME 30,606 5.6 mi
04017 Chebeague Island, ME 341 6.1 mi

More ZIP Codes in Cumberland County

04103 standard
Portland, ME
Pop: 30,606
04106 standard
South Portland, ME
Pop: 25,175
04011 standard
Brunswick, ME
Pop: 20,278
04074 standard
Scarborough, ME
Pop: 18,760
04092 standard
Westbrook, ME
Pop: 17,515
04102 standard
Portland, ME
Pop: 17,335

Related Areas

Cumberland County Peaks Island, ME Maine

Frequently Asked Questions

What county is ZIP code 04108 in? ▼
ZIP code 04108 (Peaks Island) is located in Cumberland County, Maine. Cumberland County contains multiple ZIP codes, see the full list at /counties/cumberland-me.
What is the population of ZIP code 04108? ▼
ZIP code 04108 in Peaks Island, ME has a population of 862 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 04108? ▼
The median household income in ZIP 04108 is $94,318, which is 24% above the national average of $76,288.
What is the average home value in ZIP 04108? ▼
The median home value in ZIP 04108 is $637,500, which is 129% above the national average of $278,155.
What is the demographic makeup of ZIP 04108? ▼
The largest racial group in ZIP 04108 is White at 94.2%. Hispanic or Latino residents make up 2.2% of the population.
How many businesses are in ZIP code 04108? ▼
ZIP code 04108 has 32 business establishments employing approximately 106 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 04108? ▼
The top industries by establishment count in ZIP 04108 are: Accommodation and food services (6), Real estate and rental and leasing (5), Construction (4). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 04108? ▼
According to the FHFA House Price Index, home values in ZIP 04108 increased by 2.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 321%. 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 04108? ▼
In ZIP code 04108, 81.7% of residents aged 25+ have a high school diploma or higher, and 71.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 04108? ▼
In ZIP code 04108, approximately 88.7% of occupied housing units are owner-occupied and 11.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 04108? ▼
The poverty rate in ZIP code 04108 is 7.6% 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.