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

02110 (Boston), at 55.1 (±4.9), among 33 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 Suffolk County, MA

These are the 25 ZIP codes in Suffolk County with the highest median age, out of 33 with at least 1,000 residents. 02110 (Boston, 55.1), 02132 (West Roxbury, 43.2) and 02152 (Winthrop, 43.0) lead the list. There is no single "best" ZIP code in Suffolk 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 Suffolk County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	02110	Boston	55.1 ±4.9	2,342	1,322	2,069
2	02132	West Roxbury	43.2 ±2.5	26,444	11,107	11,927
3	02152	Winthrop	43.0 ±1.6	18,759	7,899	7,871
4	02199	Boston	42.5 ±10.8	1,292	775	921
5	02151	Revere	39.2 ±1.3	60,012	22,178	24,713
6	02131	Roslindale	39.1 ±1.5	31,151	12,694	12,056
7	02126	Mattapan	38.3 ±2.0	26,583	9,284	8,641
8	02136	Hyde Park	37.8 ±1.4	37,265	13,719	12,643
9	02122	Dorchester	37.8 ±2.1	23,479	9,299	9,229
10	02124	Dorchester Center	36.9 ±1.0	56,216	20,287	18,146
11	02118	Boston	36.9 ±1.7	28,946	14,497	15,092
12	02108	Boston	36.9 ±5.5	3,794	1,973	2,199
13	02119	Roxbury	36.3 ±1.7	27,377	11,920	11,555
14	02210	Boston	35.7 ±2.0	6,971	4,588	5,821
15	02129	Charlestown	35.6 ±1.5	20,032	9,606	8,934
16	02130	Jamaica Plain	35.3 ±0.8	40,055	18,237	17,056
17	02128	East Boston	34.5 ±0.9	43,345	17,736	18,362
18	02116	Boston	34.5 ±1.2	21,978	11,513	12,745
19	02150	Chelsea	34.4 ±1.3	39,908	13,716	14,433
20	02125	Dorchester	34.4 ±1.1	33,662	14,246	13,683
21	02121	Dorchester	34.3 ±1.9	29,040	10,760	9,489
22	02111	Boston	33.9 ±3.1	8,407	3,711	4,994
23	02109	Boston	33.5 ±2.9	3,612	2,085	2,420
24	02114	Boston	33.3 ±1.8	14,418	8,396	10,282
25	02127	South Boston	32.3 ±0.8	36,769	18,066	18,777

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; 33 of 36 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 43,281 households, on 98 carrier routes with 47,501 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 02110 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Suffolk County has the highest median age?: 02110 (Boston), at 55.1 (±4.9), among 33 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.