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

01773 (Lincoln), at 52.5 (±4.6), among 82 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 Middlesex County, MA

These are the 25 ZIP codes in Middlesex County with the highest median age, out of 82 with at least 1,000 residents. 01773 (Lincoln, 52.5), 02462 (Newton Lower Falls, 50.7) and 01431 (Ashby, 50.5) lead the list. There is no single "best" ZIP code in Middlesex 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 Middlesex County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	01773	Lincoln	52.5 ±4.6	4,891	2,030	2,353
2	02462	Newton Lower Falls	50.7 ±2.4	1,470	515	642
3	01431	Ashby	50.5 ±3.0	3,211	1,261	1,124
4	01434	Devens	50.5 ±3.0	1,564	260	277
5	02421	Lexington	48.2 ±1.4	18,080	6,824	7,066
6	02468	Waban	47.7 ±3.2	5,773	1,948	1,977
7	01742	Concord	47.4 ±2.1	18,448	6,665	7,152
8	02476	Arlington	46.8 ±2.8	17,708	7,823	7,797
9	02459	Newton Center	46.0 ±1.6	18,449	6,483	6,967
10	01876	Tewksbury	45.9 ±2.7	31,004	11,535	12,171
11	01803	Burlington	45.9 ±2.2	26,274	9,974	10,456
12	02420	Lexington	45.9 ±1.7	16,215	5,653	5,535
13	01754	Maynard	45.3 ±4.3	10,712	4,821	4,968
14	01741	Carlisle	45.3 ±3.1	5,239	1,776	1,850
15	01746	Holliston	45.2 ±1.9	15,094	5,684	5,620
16	01474	West Townsend	45.2 ±10.6	2,280	756	656
17	01778	Wayland	45.1 ±1.5	14,033	5,110	5,567
18	02493	Weston	44.9 ±2.1	11,579	3,776	3,982
19	01720	Acton	44.5 ±0.8	23,526	9,098	9,054
20	01821	Billerica	44.3 ±1.9	30,143	11,312	11,431
21	01730	Bedford	44.3 ±1.6	14,707	5,869	5,730
22	01464	Shirley	44.3 ±3.4	6,976	2,277	2,250
23	01775	Stow	44.1 ±4.4	7,165	2,773	2,731
24	01867	Reading	43.7 ±2.3	25,612	9,740	9,987
25	02461	Newton Highlands	43.7 ±1.6	6,975	2,630	2,850

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; 82 of 83 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 10,890 households, on 32 carrier routes with 11,462 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 01773 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Middlesex County has the highest median age?: 01773 (Lincoln), at 52.5 (±4.6), among 82 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.