What city is 03909 in?

03909 is a York, ME mailing address. By land area, 10% lies inside Cape Neddick and 8% lies inside York Harbor; the rest is outside any Census-defined city or community.

What is the population of 03909?

About 10,943 people (±738), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 10,938.

What is the median household income in 03909?

$115,608 (±$24,540), compared with $74,733 for Maine as a whole. Half the households in the ZIP code earn more and half earn less.

How many carrier routes and mailboxes are in 03909?

10 USPS carrier routes with 5,088 residential and 350 business mailboxes (5,438 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.

What ZIP codes are near 03909?

The closest, measured center to center: 03911 (3 mi, York Harbor), 03910 (3.5 mi, Cape Neddick), 03902 (4.2 mi, Cape Neddick), 03904 (4.8 mi, Kittery), 03903 (5 mi, South Eliot) and 03908 (5.8 mi, South Berwick).

03909 ZIP Code, York, ME

03909 is a ZIP code in York, Maine in York County. It covers 35 square miles of land. The closest ZIP codes are 03911, 03910 and 03902. 10,943 people live here in 4,322 households, more than in 9 of every 10 Maine ZIP codes. With about 311 people per square mile it is lightly settled, and most homes are owner-occupied (83%). Median household income is $115,608, well above the Maine median of $74,733; the median age is 50.3, older than most ZIP codes.

Quick facts

Mailing city: York, ME
County: York County
Land area: 35 sq mi
Population: 10,943
Median household income: $115,608
Carrier routes: 10 (5,088 homes)

Key figures

Measure	Value
Residents	10,943
Households	4,322
Median household income	$115,608
Income per person	$55,270
Median age	50.3
Homeowners	83.2%
Median home value	$638,400
Median rent	$1,513
Bachelor's degree or higher	52.7%
Average commute (minutes)	20.1
Households with kids under 18	26.2%
Moved in the past year	9.1%
Below the poverty line	6.2%
Broadband internet	95.1%
Speak a non-English language at home	3.2%

Household income

% of households	Value
<$10K	5.0%
$10–15K	1.3%
$15–25K	4.7%
$25–35K	3.0%
$35–50K	9.7%
$50–75K	16.1%
$75–100K	5.8%
$100–150K	17.1%
$150–200K	17.6%
$200K+	19.8%

Age

% of all residents	Value
<10	9.4%
10–19	13.0%
20–24	3.5%
25–34	9.6%
35–44	11.1%
45–54	9.8%
55–64	13.8%
65–74	16.0%
75+	13.9%

Tenure

% of housing units	Value
Owned, with mortgage	29.0%
Owned outright	25.0%
Rented	10.6%
Vacant	35.3%

Type of building

% of housing units	Value
Detached house	81.4%
Townhome	0.4%
2–4 units	10.7%
5–19 units	2.6%
20+ units	2.3%
Mobile / other	2.6%

Businesses in 03909

409 business establishments with 4,260 employees (ZIP Codes Business Patterns 2023).

Construction: 56
Retail Trade: 52
Health Care and Social Assistance: 49
Accommodation and Food Services: 46
Professional, Scientific, and Technical Services: 37
Administrative and Support and Waste Management and Remediation Services: 32
Other Services (except Public Administration): 32
Real Estate and Rental and Leasing: 31

EDDM carrier routes

03909 has 10 USPS carrier routes with 5,088 residential and 350 business mailboxes. Open the EDDM route map.

Carrier routes in 03909

03909 has 10 USPS carrier routes (4 city (C), 6 rural (R)) with 5,088 residential and 350 business mailboxes. Routes range from 192 homes (C004) to 732 homes (R154); the median route has 573 homes. The Census counted 4,322 households in 03909 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per route	Routes
1–249	1
250–499	3
500–749	6
750–999	0
1,000–1,499	0
1,500+	0

Best routes in 03909 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

Route C002 — USPS business mailboxes 109, 401 homes
Route C003 — USPS business mailboxes 58, 382 homes
Route R156 — USPS business mailboxes 49, 386 homes
Route R155 — USPS business mailboxes 46, 621 homes
Route C001 — USPS business mailboxes 33, 569 homes

Select these 5 routes on the route map

Every carrier route in 03909

Route	Type	Homes	Businesses	Est. median income	Est. owners	Est. families with kids	Est. moved in past year
C001	City	569	33	$70,502	—	—	—
C002	City	401	109	$103,694	—	—	—
C003	City	382	58	$70,502	—	—	—
C004	City	192	2	$103,694	—	—	—
R151	Rural	577	12	$157,618	—	—	—
R152	Rural	626	5	$124,871	—	—	—
R153	Rural	602	16	$131,347	—	—	—
R154	Rural	732	20	$157,618	—	—	—
R155	Rural	621	46	$157,618	—	—	—
R156	Rural	386	49	$103,694	—	—	—

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 03909 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

03911 — York Harbor CDP, ME (3 mi)
03910 — Cape Neddick CDP, ME (3.5 mi)
03902 — Cape Neddick CDP, ME (4.2 mi)
03904 — Kittery CDP, ME (4.8 mi)
03903 — South Eliot CDP, ME (5 mi)
03908 — South Berwick CDP, ME (5.8 mi)
03907 (7.1 mi)
03854 (7.5 mi)

Areas that include 03909

York Harbor, ME ZIP codes — 2 ZIP codes
Cape Neddick, ME ZIP codes — 3 ZIP codes
York, ME ZIP codes — 1 ZIP code
York County ZIP codes — 36 ZIP codes
Maine ZIP code data

Where it ranks

Mail every home in 03909

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 03909, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 03909 in?: 03909 is a York, ME mailing address. By land area, 10% lies inside Cape Neddick and 8% lies inside York Harbor; the rest is outside any Census-defined city or community.
What county is 03909 in?: 03909 is in York County.
What is the population of 03909?: About 10,943 people (±738), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 10,938.
What is the median household income in 03909?: $115,608 (±$24,540), compared with $74,733 for Maine as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 03909?: 10 USPS carrier routes with 5,088 residential and 350 business mailboxes (5,438 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 03909?: The closest, measured center to center: 03911 (3 mi, York Harbor), 03910 (3.5 mi, Cape Neddick), 03902 (4.2 mi, Cape Neddick), 03904 (4.8 mi, Kittery), 03903 (5 mi, South Eliot) and 03908 (5.8 mi, South Berwick).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.