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

03467 (Westmoreland), at 55.3 (±2.2), 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 Cheshire County, NH

These are the 15 ZIP codes in Cheshire County with the highest median age, out of 15 with at least 1,000 residents. 03467 (Westmoreland, 55.3), 03602 (Alstead, 54.9) and 03451 (Hinsdale, 53.3) lead the list. There is no single "best" ZIP code in Cheshire 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 Cheshire County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	03467	Westmoreland	55.3 ±2.2	2,237	904	612
2	03602	Alstead	54.9 ±5.9	2,381	1,024	1,111
3	03451	Hinsdale	53.3 ±10.6	3,997	1,643	1,490
4	03446	Swanzey	49.7 ±3.3	6,588	2,802	2,945
5	03447	Fitzwilliam	49.2 ±4.2	2,278	934	986
6	03444	Dublin	48.9 ±8.9	1,666	604	440
7	03462	Spofford	48.1 ±9.3	1,726	676	628
8	03470	Winchester	47.1 ±5.3	4,933	1,975	1,917
9	03455	Marlborough	46.9 ±9.0	2,242	983	717
10	03608	Walpole	44.9 ±12.0	3,167	1,279	958
11	03452	Jaffrey	42.9 ±3.9	5,448	2,112	2,437
12	03465	Troy	40.2 ±5.0	2,005	750	644
13	03431	Keene	38.4 ±1.8	25,065	10,228	11,178
14	03461	Rindge	35.0 ±3.9	6,497	1,887	1,650
15	03466	West Chesterfield	34.3 ±7.4	1,315	496	380

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 25 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 7,307 households, on 15 carrier routes with 7,144 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 03467 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 Cheshire County has the highest median age?: 03467 (Westmoreland), at 55.3 (±2.2), 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.