03904 ZIP Code — Kittery, ME
York County, Maine
ZIP code 03904 is located in Kittery, Maine, within York County. It covers approximately 10.92 square miles and serves a population of 8,113 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.
About ZIP code 03904
The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $361,100. Owner-occupancy sits near the national average at 62%.
Median household income is $73,407. 40% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.
Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.
8,113
population
10.92
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03904 ZIP code map
Cities in ZIP code 03904
Below are the cities the US Postal Service accepts for ZIP code 03904. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Kittery | Preferred |
Nearby ZIP codes
03905 Kittery Point (2.7 mi)
03803 Portsmouth (3 mi)
03903 Eliot (3.3 mi)
03801 Portsmouth (4.4 mi)
03909 York (4.8 mi)
03870 Rye (6.8 mi)
03840 Greenland (7.9 mi)
03908 South Berwick (9 mi)
03902 Cape Neddick (9.1 mi)
03822 Dover (9.2 mi)
03869 Rollinsford (9.2 mi)
03824 Durham (9.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 8,113 |
| Population density | 743 / sq mi |
| State FIPS | 23 |
| County FIPS | 031 |
| Geography | |
|---|---|
| Land area | 10.92 sq mi |
| Water area | 1.58 sq mi |
| Latitude | 43.1114 |
| Longitude | -70.7370 |
| Timezone | Eastern (ET) |
| Area code | 207 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 43.2% | 35.1% | 42.3% |
| $50k – $100k | 24.2% | 34.4% | 32.3% |
| $100k – $200k | 24.8% | 24.7% | 20.6% |
| Over $200k | 7.8% | 5.8% | 4.9% |
Demographics & statistics
8,113
Population
743
People per sq mi
51.5
Median age
$73,407
Median household income
$47,250
Per capita income
$361,100
Median home value
$1,374
Median monthly rent
61.7%
Home ownership
8.2%
Poverty rate
2.3%
Unemployment
2,699
Housing units
39.0%
Bachelor's or higher
Age distribution
Male
Female
120
Under 5
139
154
5–9
178
84
10–14
97
111
15–19
129
236
20–24
272
547
25–34
632
399
35–44
462
419
45–54
484
351
55–59
405
315
60–64
365
550
65–74
636
142
75–84
165
334
85+
387
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 927 | 11.4% |
| 18 and over | 7,186 | 88.6% |
| 65 and over | 2,214 | 27.3% |
| Median age | 51.5 years | |
Race & ethnicity
White
87.2%
Two or more races
3.6%
Black or African American
3.1%
Hispanic or Latino
2.8%
Asian
1.4%
Other race
1.2%
American Indian / Alaska Native
0.7%
| Group | Count | % |
|---|---|---|
| White | 7,278 | 87.2% |
| Two or more races | 300 | 3.6% |
| Black or African American | 258 | 3.1% |
| Hispanic or Latino | 233 | 2.8% |
| Asian | 121 | 1.4% |
| Other race | 100 | 1.2% |
| American Indian / Alaska Native | 56 | 0.7% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 43.2% | 35.1% | 42.3% |
| $50k – $100k | 24.2% | 34.4% | 32.3% |
| $100k – $200k | 24.8% | 24.7% | 20.6% |
| Over $200k | 7.8% | 5.8% | 4.9% |
Under $10k
4.1%
$10k–$15k
1.3%
$15k–$25k
5.0%
$25k–$35k
13.3%
$35k–$50k
13.0%
$50k–$75k
14.2%
$75k–$100k
15.2%
$100k–$150k
14.1%
$150k–$200k
13.2%
$200k+
6.6%
| Range | % of households |
|---|---|
| Under $10k | 4.1% |
| $10k–$15k | 1.3% |
| $15k–$25k | 5.0% |
| $25k–$35k | 13.3% |
| $35k–$50k | 13.0% |
| $50k–$75k | 14.2% |
| $75k–$100k | 15.2% |
| $100k–$150k | 14.1% |
| $150k–$200k | 13.2% |
| $200k+ | 6.6% |
| Median income | $73,407 |
Housing
Home values
Under $50k
3.4%
$50k–$100k
2.5%
$100k–$150k
1.0%
$150k–$200k
2.3%
$200k–$300k
29.2%
$300k–$500k
33.8%
$500k–$1M
24.1%
$1M+
3.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $361,100 |
| Median rent / month | $1,374 |
| Owner occupied | 61.7% |
| Renter occupied | 38.3% |
| Vacant | 5.3% |
| Single-family detached | 54.5% |
| Large apartment buildings | 6.7% |
| Mobile homes | 4.7% |
| Median rooms | 5.5 |
| Avg household size (owned) | 1.94 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.8% |
| 2010–2019 | 5.1% |
| 2000–2009 | 19.8% |
| 1990–1999 | 5.7% |
| 1980–1989 | 10.9% |
| 1970–1979 | 7.5% |
| 1960–1969 | 6.0% |
| 1950–1959 | 7.9% |
| 1940–1949 | 16.9% |
| 1939 or earlier | 19.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 8.1% |
| 1 bedroom | 7.6% |
| 2 bedrooms | 35.2% |
| 3 bedrooms | 39.1% |
| 4 bedrooms | 9.3% |
| 5+ bedrooms | 0.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 14.1% |
| 1 vehicle | 32.5% |
| 2 vehicles | 40.2% |
| 3 or more | 13.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 8.5% |
| Electricity | 13.2% |
| Propane / LP gas | 19.9% |
| Fuel oil | 54.3% |
| Wood | 3.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,762 | 44.0% |
| Cohabiting couple | 163 | 4.1% |
| Male householder, no spouse | 607 | 15.1% |
| Female householder, no spouse | 1,475 | 36.8% |
| Households with children under 18 | 623 | 15.5% |
| Households with seniors (65+) | 1,677 | 41.9% |
| Average household size | 1.95 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.0% | 24.4% |
| Married | 53.8% | 42.2% |
| Separated | 0.6% | 0.4% |
| Widowed | 2.6% | 14.0% |
| Divorced | 9.9% | 19.1% |
Education
Less than 9th grade
1.0%
Some HS, no diploma
3.5%
HS graduate
22.8%
Some college, no degree
23.1%
Associate's degree
10.5%
Bachelor's degree
26.6%
Graduate / professional
12.4%
| Metric | % |
|---|---|
| HS diploma or higher | 95.4% |
| Bachelor's or higher | 39.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 89 | 8.3% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 420 | 39.0% |
| High school | 217 | 20.1% |
| College / grad school | 351 | 32.6% |
Employment
Industry of employment
Education & healthcare
19.3%
Retail trade
14.9%
Manufacturing
13.3%
Arts, food & hospitality
9.9%
Finance & real estate
8.9%
Professional & management
8.9%
Other services
6.9%
Construction
4.8%
Public administration
4.1%
Transportation & utilities
3.8%
Wholesale trade
2.2%
Information
1.8%
Agriculture & mining
1.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 42.5% |
| Service | 14.3% |
| Sales & office | 17.0% |
| Natural resources & construction | 11.6% |
| Production & transportation | 14.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 71.0% |
| Government | 20.6% |
| Self-employed | 8.0% |
| Unpaid family workers | 0.5% |
Commute
| Method | % |
|---|---|
| Drive alone | 63.3% |
| Carpool | 9.4% |
| Public transit | 0.6% |
| Walk | 7.8% |
| Work from home | 14.1% |
| Other means | 4.8% |
| Avg commute (minutes) | 18.0 |
Poverty
All people
8.2%
Under 18 years
12.2%
18 and over
7.7%
Married-couple families
6.9%
Female-led households
1.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 39.5% |
| Retirement income | 34.7% |
| Supplemental Security | 4.5% |
| Cash public assistance | 4.4% |
| Food stamps / SNAP | 6.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 28.6% |
| High blood pressure | 30.0% |
| High cholesterol | 29.5% |
| Diabetes | 7.6% |
| Heart disease | 5.6% |
| Stroke | 2.5% |
| Asthma | 9.9% |
| Arthritis | 25.8% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.1% |
| Cancer | 7.2% |
| Behavior / access | % |
|---|---|
| Smoking | 13.8% |
| Binge drinking | 15.7% |
| No physical activity | 18.6% |
| Less than 7 hrs sleep | 30.8% |
| Depression | 22.0% |
| Fair or poor health | 9.3% |
| Poor mental health | 12.7% |
| Poor physical health | 7.7% |
| No health insurance | 10.8% |
| Visited doctor (checkup) | 77.4% |
| Visited dentist | 72.2% |
| Cholesterol screening | 90.0% |
| Teeth loss | 11.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 657 | 9.5% |
| Disability | % |
|---|---|
| Any disability | 20.9% |
| Under 18 | 6.7% |
| 18–64 years | 16.7% |
| 65 and over | 36.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 76.2% |
| Public insurance | 40.9% |
| No insurance | 6.0% |
| Uninsured under 19 | 0.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,854 | 96.8% |
| Spanish | 52 | 0.7% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 51 | 0.6% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 7,742 | 95.4% |
| Born in same state | 7,705 | 95.0% |
| Born in different state | 2,247 | 27.7% |
| Foreign born | 37 | 0.5% |
| Naturalized citizen | 371 | 4.6% |
| Not a US citizen | 280 | 75.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,996 | 24.6% |
| French | 1,881 | 23.2% |
| German | 471 | 5.8% |
| Arab | 408 | 5% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 84 | 1% |
| English | 54 | 0.7% |
| Polish | 44 | 0.5% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 49.4% |
| Internet access | 91.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03904
What city is ZIP code 03904 in?
ZIP code 03904 is primarily assigned to Kittery, Maine.
What county is ZIP code 03904 in?
ZIP code 03904 falls within York County, Maine.
Does ZIP code 03904 have an older population?
27% of residents in ZIP code 03904 are 65 or older, above the national average of ~17%.
Does ZIP code 03904 have a large retiree population?
40% of households in ZIP code 03904 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 03904?
The median home value in ZIP code 03904 is $361,100.
Does ZIP code 03904 have a large veteran population?
10% of civilians in ZIP code 03904 are veterans, above the national average of ~7%.
What timezone is ZIP code 03904 in?
ZIP code 03904 observes the EST timezone.