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

05674 (Warren), at 53.1 (±4.2), among 15 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.

Oldest ZIP codes in Washington County, VT

These are the 15 ZIP codes in Washington County with the highest median age, out of 15 with at least 1,000 residents. 05674 (Warren, 53.1), 05677 (Waterbury Center, 51.5) and 05660 (Moretown, 49.6) 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.

Oldest ZIP codes in Washington County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	05674	Warren	53.1 ±4.2	1,585	700	806
2	05677	Waterbury Center	51.5 ±7.8	2,290	859	981
3	05660	Moretown	49.6 ±2.0	1,882	793	805
4	05843	Hardwick	49.5 ±10.7	2,198	1,038	689
5	05641	Barre	47.2 ±3.9	16,936	7,808	6,860
6	05602	Montpelier	45.1 ±2.4	12,250	5,549	5,995
7	05673	Waitsfield	45.1 ±4.7	2,570	1,137	1,073
8	05647	Cabot	45.0 ±3.0	1,122	425	—
9	05682	Worcester	44.6 ±6.0	1,149	491	485
10	05650	East Calais	44.1 ±9.4	1,029	433	444
11	05651	East Montpelier	42.5 ±10.6	1,510	607	419
12	05667	Plainfield	42.0 ±5.5	2,412	1,052	1,005
13	05663	Northfield	39.1 ±4.9	6,840	2,495	2,037
14	05676	Waterbury	38.8 ±4.2	5,032	2,249	2,333
15	05658	Marshfield	37.4 ±4.8	1,725	599	584

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 15 of 24 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 11,198 households, on 24 carrier routes with 10,141 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 05674 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 highest median age?: 05674 (Warren), at 53.1 (±4.2), among 15 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest 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.