Oldest ZIP codes in Franklin County, MA

These are the 19 ZIP codes in Franklin County with the highest median age, out of 19 with at least 1,000 residents. 01330 (Ashfield, 58.4), 01339 (Charlemont, 57.9) and 01054 (Leverett, 56.0) lead the list. There is no single "best" ZIP code in Franklin 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 Franklin County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
101330Ashfield58.4 ±3.51,704855358
201339Charlemont57.9 ±4.91,313593475
301054Leverett56.0 ±6.41,608712500
401341Conway55.2 ±3.31,622717506
501039Haydenville53.6 ±2.91,506648553
601373South Deerfield53.3 ±2.54,8602,3421,926
701340Colrain53.1 ±9.11,759794695
801370Shelburne Falls52.2 ±3.63,8781,7361,856
901072Shutesbury49.9 ±3.51,521612604
1001337Bernardston49.4 ±3.02,5891,1011,045
1101360Northfield48.9 ±4.22,8721,3131,299
1201376Turners Falls45.3 ±3.44,9762,3402,442
1301301Greenfield44.8 ±2.217,8768,2718,349
1401354Gill43.8 ±2.61,740649607
1501344Erving43.3 ±2.41,703715—
1601364Orange42.1 ±2.57,6583,0823,427
1701342Deerfield41.4 ±6.31,267447371
1801351Montague40.4 ±12.72,6361,007932
1901375Sunderland35.1 ±1.93,6411,6951,664

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; 19 of 30 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 3,525 households, on 6 carrier routes with 2,392 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 01330 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 Franklin County has the highest median age?
01330 (Ashfield), at 58.4 (±3.5), among 19 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.