ZIP Code 03904
standardSource:
Kittery · York County · Maine
- Population
- 7,703
- Median income
- $85,084
- Median home value
- $448,900
- Bachelor's or higher
- 41.4%
- Land area
- 29.1 sq mi
265/sq mi
▲ 12% vs US
higher than 68% of US ZIPs
▲ 61% vs US
higher than 84% of US ZIPs
Median age 46.4
New York
ZIP code 03904 in Kittery, Maine has a population of 7,703. The median household income is $85,084, which is 12% above the national average. Median home value is $448,900, 61% above the US average. 41.4% of residents hold a bachelor's degree or higher.
ZIP code 03904 is classified by USPS as a standard delivery area and covers roughly 29.1 square miles in Kittery, York County, Maine. The area is home to 7,703 residents, producing a population density of 265 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 03904 against Maine and the nation.
On the economic side, the median household income for ZIP 03904 sits at $85,084 (16% above the Maine average), while per-capita income is $51,533. The poverty rate stands at 7.1% and the unemployment rate at 4.7%. On housing, the median home value is $448,900 (58% above the state average) with median rent at $1,651 per month, and 63.6% of occupied units are owner-occupied, a direct signal of whether 03904 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 41.4% of adults hold a bachelor's degree or higher, the median age is 46.4, and the average commute is 19 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing York County, so you can benchmark 03904 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 03904
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 03904.
- Retail trade
Retail trade
96 establishments
- Accommodation and food services
Accommodation and food services
54 establishments
- Construction 27
Construction
27 establishments
- Other services (except public administration) 26
Other services (except public administration)
26 establishments
- Professional, scientific, and technical services 23
Professional, scientific, and technical services
23 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 03904, Kittery, ME · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
7,703
Population
29.1
Area (sq mi)
265
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 03904?
46.4
Median Age
44.6%
Male
55.4%
Female
4.7%
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?
$85,084
Median Household Income
+16% vs state
$51,533
Per Capita Income
7.1%
Poverty Rate
4.7%
Unemployment Rate
18.8 min
Mean Commute Time
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?
4,411
Total Housing Units
3,955
Occupied Units
456
Vacant Units
2.05
Avg Household Size
Occupancy Type
$448,900
Median Home Value
+58% vs state
$1,651
Median Rent
1967
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
+12.4%
YoY Change (2024)
346
HPI Index (2000 = 100)
+246%
Total Change Since 2000
Home values in ZIP 03904 have increased 12.4% over the past year (2024). Since 2000, this ZIP has seen +246% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.9% | 209 |
| 2021 | +12.3% | 234 |
| 2022 | +12.4% | 264 |
| 2023 | +16.7% | 307 |
| 2024 | +12.4% | 346 |
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 329 business establishments in ZIP 03904, employing approximately 3,063 people with a combined annual payroll of $123,094,000.
329
Businesses
3,063
Employees
$123.1M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 96 | 29.2% |
| Accommodation and food services | 54 | 16.4% |
| Construction | 27 | 8.2% |
| Other services (except public administration) | 26 | 7.9% |
| Professional, scientific, and technical services | 23 | 7.0% |
| Health care and social assistance | 19 | 5.8% |
| Administrative and support and waste management and remediation services | 16 | 4.9% |
| Real estate and rental and leasing | 14 | 4.3% |
| Manufacturing | 12 | 3.6% |
| Finance and insurance | 12 | 3.6% |
| Wholesale trade | 11 | 3.3% |
| Arts, entertainment, and recreation | 8 | 2.4% |
| Transportation and warehousing | 4 | 1.2% |
| Agriculture, forestry, fishing and hunting | 3 | 0.9% |
| Management of companies and enterprises | 3 | 0.9% |
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 03904 vs 03854 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 03854 | New Castle, NH | 968 | 3.2 mi |
| 03905 | Kittery Point, ME | 1,780 | 2.8 mi |
| 03903 | Eliot, ME | 6,211 | 3.8 mi |
| 03909 | York, ME | 9,738 | 4.6 mi |
| 03801 | Portsmouth, NH | 21,532 | 4.6 mi |
| 03911 | York Harbor, ME | 250 | 5.1 mi |
| 03870 | Rye, NH | 5,162 | 6.8 mi |
| 03908 | South Berwick, ME | 7,233 | 8.9 mi |
| 03871 | Rye Beach, NH | 136 | 9.1 mi |
| 03910 | York Beach, ME | 328 | 7.2 mi |
More ZIP Codes in York County
Related Areas
Frequently Asked Questions
What county is ZIP code 03904 in? ▼
What is the population of ZIP code 03904? ▼
What is the median household income in ZIP 03904? ▼
What is the average home value in ZIP 03904? ▼
What is the demographic makeup of ZIP 03904? ▼
How many businesses are in ZIP code 03904? ▼
What are the main industries in ZIP code 03904? ▼
How have home values changed in ZIP code 03904? ▼
What is the education level in ZIP code 03904? ▼
What is the average commute time in ZIP 03904? ▼
What percentage of residents own vs. rent in ZIP 03904? ▼
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ZIP Code Research Guides
Official Data Resources for Kittery, ME
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.