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 High-density area
- $94,318
- Median income Above-median income area
- $637,500
- Median home value Above-median home value
- 71.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 04108 (Peaks Island, ME) rose +2.3% from 2023 to 2024. The all-transactions index moved from 411.9 in 2023 to 421.3 in 2024 (2000 = 100).
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 average Maine ZIP), while per-capita income is $59,145. Both reported hardship measures are comparatively low in absolute terms: poverty is 7.6% and unemployment is 2.0%. Housing is both higher-cost and owner-heavy: median home value is $637,500 (125% above the average Maine ZIP), while 88.7% of occupied homes are owner-occupied and median rent is $1,500.
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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Cumberland County, so 04108 can be compared with both its immediate and county-level context.
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.
- Accommodation and food services
Accommodation and food services
6 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
5 establishments
- Construction
Construction
4 establishments
- Retail trade
Retail trade
4 establishments
- Health care and social assistance
Health care and social assistance
4 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, 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
Who lives in ZIP 04108?
61.7
Median Age
48.3%
Male
51.7%
Female
2.3%
Foreign-Born
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 ZIP avg
$59,145
Per Capita Income
7.6%
Poverty Rate
2.0%
Unemployment Rate
How ZIP 04108 ranks among Maine ZIPs
Peaks Island, ME household income vs. every Maine ZIP code
Median household income among 395 reporting Maine ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$94,318 Top 14% higher than 86% of 395 Maine ZIPs
Each bar is a $20K-wide band; taller bars hold more Maine 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,002housing units
1,002
Total Housing Units
406
Occupied Units
596
Vacant Units
2.03
Avg Household Size
Occupancy Type
$637,500
Median Home Value
+125% vs state ZIP avg
$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.
- 04103
Portland (04103)
30,606 residents
- 04106
South Portland (04106)
25,175 residents
- 04102
Portland (04102)
17,335 residents
- 04101
Portland (04101)
17,227 residents
- 04107 8,980
Cape Elizabeth (04107)
8,980 residents
- 04110 1,391
Cumberland Foreside (04110)
1,391 residents
- 04108 862
Peaks Island (04108)
862 residents
- 04017 341
Chebeague Island (04017)
341 residents
- 04050 230
Long Island (04050)
230 residents
What this shows Among its immediate neighbors, ZIP 04108 ranks #7 by population - useful context the national average alone can't give.
ZIP 04108 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 04110
Cumberland Foreside (04110)
$194,205 median income
- 04107
Cape Elizabeth (04107)
$146,054 median income
- 04108
Peaks Island (04108)
$94,318 median income
- 04050
Long Island (04050)
$91,250 median income
- 04103
Portland (04103)
$89,796 median income
- 04019
Cliff Island (04019)
$89,712 median income
- 04106
South Portland (04106)
$86,188 median income
- 04102
Portland (04102)
$82,751 median income
- 04017 $67,639
Chebeague Island (04017)
$67,639 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 04108, both outside ME so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Cumberland County
Related Areas
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.
Related
Take this with you
What to do with ZIP 04108's numbers, next.
- See how ZIP 04108 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Peaks Island, ME ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.