PlainZIP

Kittery, ME · standard

ZIP Code 03904

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

7,703
265/sq mi
$85,084
Median income
$448,900
Median home value
41.4%
Bachelor's or higher

The verdict

Kittery pairs an above-median household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 32%
household income, US ZIPs
Top 16%
home value, US ZIPs
265
people per sq mi
64%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03904 against every reporting US ZIP.

ZIP code 03904 is a mid-sized community (a standard USPS delivery area) in Kittery, York County, Maine, home to 7,703 residents across 29.1 square miles, a density of 265 people per square mile, in the New York time zone.

ZIP 03904 lands in the middle-income range, with a median household income of $85,084 (16% above the Maine average), while per-capita income is $51,533. Local economic indicators show a 7.1% poverty rate alongside 4.7% unemployment. Housing costs here run $448,900 for a typical home value (58% above the state average), with rent averaging $1,651 a month; 63.6% of homes are owner-occupied.

A solid share of residents have a four-year degree: 41.4% of adults hold a bachelor's degree or higher, the median age is 46.4, and the average commute is 19 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 03904, plus 6 more within York 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 03904

Top 5 sectors by establishment count in Kittery, ME

Which industries have the most business establishments in ZIP 03904.

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 03904, Kittery, 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

7,703

Population

29.1

Area (sq mi)

265

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 03904?

46.4

Median Age

44.6%

Male

55.4%

Female

4.7%

Foreign-Born

White 88.7%
African American 1.3%
Asian 1.8%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.5%
Hispanic or Latino 4.8%

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

How ZIP 03904 ranks nationally

Kittery, ME household income vs. every US ZIP code

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

$85,084 Top 32% higher than 68% 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 64.8%
Bachelor's Degree or Higher 41.4%

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

Owner 63.6%
Renter 36.4%

$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 03904 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 03904 ranks #3 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 03904 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 03904 ranks #null 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
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

04005 standard
Biddeford, ME
Pop: 23,146
04072 standard
Saco, ME
Pop: 18,482
04073 standard
Sanford, ME
Pop: 16,189
04043 standard
Kennebunk, ME
Pop: 10,810
03909 standard
York, ME
Pop: 9,738
04090 standard
Wells, ME
Pop: 9,589

Related Areas

York County Kittery, ME Maine

Frequently Asked Questions

What county is ZIP code 03904 in? ▼
ZIP code 03904 (Kittery) is located in York County, Maine. York County contains multiple ZIP codes, see the full list at /counties/york-me.
What is the population of ZIP code 03904? ▼
ZIP code 03904 in Kittery, ME has a population of 7,703 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03904? ▼
The median household income in ZIP 03904 is $85,084, which is 12% above the national average of $76,288.
What is the average home value in ZIP 03904? ▼
The median home value in ZIP 03904 is $448,900, which is 61% above the national average of $278,155.
What is the demographic makeup of ZIP 03904? ▼
The largest racial group in ZIP 03904 is White at 88.7%. Hispanic or Latino residents make up 4.8% of the population.
How many businesses are in ZIP code 03904? ▼
ZIP code 03904 has 329 business establishments employing approximately 3,063 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03904? ▼
The top industries by establishment count in ZIP 03904 are: Retail trade (96), Accommodation and food services (54), Construction (27). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 03904? ▼
According to the FHFA House Price Index, home values in ZIP 03904 increased by 12.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 246%. 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 03904? ▼
In ZIP code 03904, 64.8% of residents aged 25+ have a high school diploma or higher, and 41.4% 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 03904? ▼
The mean commute time for workers in ZIP code 03904 is 18.8 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 03904? ▼
In ZIP code 03904, approximately 63.6% of occupied housing units are owner-occupied and 36.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03904? ▼
The poverty rate in ZIP code 03904 is 7.1% 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.