Zip Code 04103
Portland, Maine — Cumberland County
📍 ZIP code 04103 is in Portland, Cumberland County, Maine.
ZIP code 04103 is located in Portland, Cumberland County, Maine. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 31,705. The area code for ZIP code 04103 is 207.
Quick Answer
Zip code 04103 is in Portland, Maine (Cumberland County). It has a population of 31,705, median household income of $90,682, and median home value of $421,800.
Population
31,705
Income
$90,682
Home Value
$421,800
Climate
80°F / 16°F
About Zip Code 04103
Zip code 04103 is located in Portland, Maine, within Cumberland County. Home to approximately 31,705 residents, this area sits at an elevation of 72 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 207.
The median household income is $90,682 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $421,800, and the cost of living index is 126 (26% above the national average of 100).
Summers average a high of 80°F while winters drop to 16°F. The area receives about 48 in of rain and 69 in of snow annually. The zip code covers 10.3 square miles of land area and 0.8 square miles of water.
Key Statistics
31,705
$90,682
$421,800
Eastern (EST/EDT)
207
72 ft
10.3 sq mi
37.8
14,336
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Compare With Nearby Zip Codes
| Metric | 04103 | 04101 | 04102 | 04105 | 04092 | 04106 |
|---|---|---|---|---|---|---|
| City | Portland, ME | Portland, ME | Portland, ME | Falmouth, ME | Portland, ME | Scarborough, ME |
| Population | 31,705 | 18,128 | 17,642 | 12,557 | 20,484 | 26,966 |
| Median Income | $90,682 | $60,726 | $79,631 | $131,833 | $85,868 | $83,744 |
| Home Value | $421,800 | $600,600 | $464,100 | $669,500 | $341,800 | $403,500 |
| Cost of Living | 126 | 152 | 129 | 207 | 108 | 120 |
| Median Age | 37.8 | 36.3 | 36.9 | 47.5 | 37.5 | 41 |
Cost of Living
100 = National Average. Portland's cost of living is 26% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.7x
Demographics
Zip code 04103 has a population of 31,705 people with a median age of 37.8. There are 14,336 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Portland (04103) population trend from 2010 to 2024
↓ -14.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
80°F
16°F
48 in
69 in
Portland experiences warm summers with average highs around 80°F. Winters are cold with lows averaging 16°F. With 69 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$421,800
Median Household Income
$90,682
With 14,336 housing units across 10.3 square miles, 04103 has a housing density of 1,392 units per square mile. The home price-to-income ratio is 4.7x.
Location & Geography
Latitude
43.6954°
Longitude
-70.2887°
Land Area
10.3 sq mi
Water Area
0.8 sq mi
Nearby Zip Codes
Zip codes closest to 04103 (Portland, ME) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 04103's $90,682. A way to compare Portland to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 04103 (Portland, ME). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Portland, Maine?
Portland, Maine uses zip code 04103.
What county is zip code 04103 in?
Zip code 04103 is located in Cumberland County, Maine.
What is the population of zip code 04103?
The population of zip code 04103 is 31,705 with a median age of 37.8.
Is 04103 in Portland, Maine?
Yes, zip code 04103 is in Portland, Cumberland County, Maine. The area code is 207.
Frequently Asked Questions
What city is zip code 04103 in?
Zip code 04103 is in Portland, Maine. It is part of Cumberland County and uses the Eastern (EST/EDT) timezone.
What is zip code 04103?
Zip code 04103 is a U.S. postal code in Portland, Maine (Cumberland County). It has a population of 31,705 and covers 10.3 square miles.
What is the population of zip code 04103?
The population of zip code 04103 (Portland, ME) is 31,705 with a median age of 37.8. There are approximately 14,336 housing units in this area.
What is the median income in zip code 04103?
The median household income in zip code 04103 (Portland, ME) is $90,682 per year. The cost of living index is 126 (100 = national average).
What is the average home price in zip code 04103?
The median home value in zip code 04103 (Portland, ME) is $421,800. The cost of living index is 126 compared to the national average of 100.
What county is zip code 04103 in?
Zip code 04103 is located in Cumberland County, Maine. The primary city is Portland.
What is the area code for zip code 04103?
Zip code 04103 in Portland, ME uses area code 207. It is located in the Eastern (EST/EDT) timezone.
Is zip code 04103 a good place to live?
Zip code 04103 (Portland, ME) has a cost of living index of 126 (100 = national average), a median household income of $90,682, and median home values of $421,800. The median age is 37.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 04103?
The cost of living index for zip code 04103 (Portland, ME) is 126, where 100 represents the national average. This area is above the national average. Median home value: $421,800.
What schools serve zip code 04103?
Zip code 04103 in Portland, Maine is served by the local school district of Cumberland County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.