Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/MA/OLDEST

ZIP Codes With the Oldest Population in Massachusetts

What this measures. Median age of residents, ACS 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 01338 Buckland Franklin 72.4
2 01229 Glendale Berkshire 71.0
3 01245 Monterey Berkshire 70.3
4 02637 Cummaquid Barnstable 69.5
5 02641 East Dennis Barnstable 69.1
6 02543 Woods Hole Dukes 68.5
7 01965 Prides Crossing Essex 68.1
8 02713 Cuttyhunk Dukes 68.1
9 02670 West Dennis Barnstable 67.9
10 02650 North Chatham Barnstable 67.0
11 02671 West Harwich Barnstable 66.5
12 01264 Tyringham Berkshire 66.3
13 01037 Hardwick Worcester 65.8
14 02653 Orleans Barnstable 64.8
15 02652 North Truro Barnstable 64.6
16 01084 West Chesterfield Hampshire 64.2
17 01262 Stockbridge Berkshire 63.4
18 02633 Chatham Barnstable 63.4
19 02557 Oak Bluffs Dukes 62.9
20 02540 Falmouth Barnstable 62.7
21 02663 South Wellfleet Barnstable 62.7
22 02564 Siasconset Nantucket 62.3
23 02647 Hyannis Port Barnstable 62.3
24 01244 Mill River Berkshire 62.2
25 01254 Richmond Berkshire 62.0
26 02559 Pocasset Barnstable 61.7
27 02660 South Dennis Barnstable 61.7
28 02791 Westport Point Bristol 61.4
29 01098 Worthington Hampshire 61.3
30 02666 Truro Barnstable 60.8
31 01908 Nahant Essex 60.7
32 02638 Dennis Barnstable 60.5
33 02642 Eastham Barnstable 60.4
34 01240 Lenox Berkshire 60.3
35 01350 Monroe Bridge Franklin 60.2
36 01951 Newbury Essex 60.2
37 01343 Drury Berkshire 60.1
38 02631 Brewster Barnstable 60.0
39 01966 Rockport Essex 59.7
40 02659 South Chatham Barnstable 59.5
41 02646 Harwich Port Barnstable 59.0
42 01029 East Otis Berkshire 58.8
43 01542 Rochdale Worcester 58.8
44 01718 Acton Middlesex 58.7
45 01330 Ashfield Franklin 58.4
46 02675 Yarmouth Port Barnstable 58.3
47 01346 Heath Franklin 58.2
48 01243 Middlefield Hampshire 58.0
49 01266 West Stockbridge Berkshire 58.0
50 01339 Charlemont Franklin 57.9

Showing the top 50 of 529 ZIP codes in Massachusetts that have this figure . 01338 ranks 1st at 72.4, against 57.9 in 50th place.

Other rankings for Massachusetts

Cite this page

zipcodes.pro. “ZIP Codes With the Oldest Population in Massachusetts.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/ma/oldest

Underlying data is public domain or openly licensed — sources, vintages and licences.