Which ZIP code in Washington County has the fastest population growth?

04668 (Princeton), at 32.9%, among 14 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.

Fastest-growing ZIP codes in Washington County, ME

These are the 14 ZIP codes in Washington County with the fastest population growth, out of 14 with at least 1,000 residents. 04668 (Princeton, 32.9%), 04680 (Steuben, 13.1%) and 04619 (Calais, 3.5%) 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.

Fastest-growing ZIP codes in Washington County

Rank	ZIP	Mailing city	Population change	Residents	Households	Residential mailboxes
1	04668	Princeton	32.9%	2,010	908	541
2	04680	Steuben	13.1%	1,388	578	547
3	04619	Calais	3.5%	3,097	1,420	1,416
4	04622	Cherryfield	1.6%	1,050	505	571
5	04654	Machias	-0.1%	3,340	1,323	1,467
6	04694	Baileyville	-3.2%	2,155	999	595
7	04631	Eastport	-4.8%	1,263	693	542
8	04666	Pembroke	-6.7%	1,178	526	511
9	04667	Perry	-6.8%	1,296	515	463
10	04652	Lubec	-7.5%	1,525	782	919
11	04649	Jonesport	-8.2%	1,166	520	369
12	04630	East Machias	-12.9%	1,230	530	524
13	04606	Addison	-12.9%	1,045	507	553
14	04658	Milbridge	-21.7%	1,222	524	575

How we ranked them

Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have at least 1,000 residents. ZIP codes need at least 1,000 residents to be ranked; 14 of 31 qualify.

Which of these to mail, and why

Growing ZIP codes add households every year, which means new homes, new routes and customers without a go-to provider yet. Check the route map: new subdivisions can appear as new carrier routes.

The top five ZIP codes on this list hold 4,734 households, on 13 carrier routes with 4,542 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 fastest population growth?: 04668 (Princeton), at 32.9%, among 14 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have 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.

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