Which ZIP code in Washington County has the lowest median age?

04668 (Princeton), at 38.9 (±9.6), among 16 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

Youngest ZIP codes in Washington County, ME

These are the 16 ZIP codes in Washington County with the lowest median age, out of 16 with at least 1,000 residents. 04668 (Princeton, 38.9), 04667 (Perry, 40.0) and 04680 (Steuben, 40.1) lead the list. There is no single "best" ZIP code in Washington County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Washington County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	04668	Princeton	38.9 ±9.6	2,010	908	541
2	04667	Perry	40.0 ±8.5	1,296	515	463
3	04680	Steuben	40.1 ±8.5	1,388	578	547
4	04630	East Machias	42.8 ±2.9	1,230	530	524
5	04623	Columbia Falls	42.8 ±9.0	1,173	481	306
6	04649	Jonesport	43.7 ±12.9	1,166	520	369
7	04654	Machias	43.8 ±4.3	3,340	1,323	1,467
8	04619	Calais	43.8 ±5.1	3,097	1,420	1,416
9	04666	Pembroke	49.2 ±2.5	1,178	526	511
10	04658	Milbridge	50.3 ±6.2	1,222	524	575
11	04694	Baileyville	51.5 ±4.8	2,155	999	595
12	04655	Machiasport	52.8 ±9.1	1,016	454	—
13	04606	Addison	54.2 ±3.9	1,045	507	553
14	04622	Cherryfield	57.3 ±3.3	1,050	505	571
15	04652	Lubec	59.4 ±4.1	1,525	782	919
16	04631	Eastport	61.4 ±3.8	1,263	693	542

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 16 of 31 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 3,012 households, on 8 carrier routes with 2,381 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 04668 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Washington County has the lowest median age?: 04668 (Princeton), at 38.9 (±9.6), among 16 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

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