Which ZIP code in Boston has the highest median age?

02110 (Boston), at 55.1 (±4.9), among 30 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 Boston, MA

These are the 25 ZIP codes in Boston, MA with the highest median age, out of 30 with at least 1,000 residents. 02110 (Boston, 55.1), 02132 (West Roxbury, 43.2) and 02199 (Boston, 42.5) lead the list. There is no single "best" ZIP code in Boston; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Boston

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	02199	Boston	42.5 ±10.8	1,292	775	921
4	02131	Roslindale	39.1 ±1.5	31,151	12,694	12,056
5	02126	Mattapan	38.3 ±2.0	26,583	9,284	8,641
6	02136	Hyde Park	37.8 ±1.4	37,265	13,719	12,643
7	02122	Dorchester	37.8 ±2.1	23,479	9,299	9,229
8	02124	Dorchester Center	36.9 ±1.0	56,216	20,287	18,146
9	02118	Boston	36.9 ±1.7	28,946	14,497	15,092
10	02108	Boston	36.9 ±5.5	3,794	1,973	2,199
11	02119	Roxbury	36.3 ±1.7	27,377	11,920	11,555
12	02210	Boston	35.7 ±2.0	6,971	4,588	5,821
13	02129	Charlestown	35.6 ±1.5	20,032	9,606	8,934
14	02130	Jamaica Plain	35.3 ±0.8	40,055	18,237	17,056
15	02128	East Boston	34.5 ±0.9	43,345	17,736	18,362
16	02116	Boston	34.5 ±1.2	21,978	11,513	12,745
17	02125	Dorchester	34.4 ±1.1	33,662	14,246	13,683
18	02121	Dorchester	34.3 ±1.9	29,040	10,760	9,489
19	02111	Boston	33.9 ±3.1	8,407	3,711	4,994
20	02109	Boston	33.5 ±2.9	3,612	2,085	2,420
21	02114	Boston	33.3 ±1.8	14,418	8,396	10,282
22	02127	South Boston	32.3 ±0.8	36,769	18,066	18,777
23	02135	Brighton	30.4 ±0.6	43,149	21,143	23,973
24	02113	Boston	29.4 ±1.2	6,385	4,112	4,467
25	02134	Allston	28.5 ±0.7	17,667	8,217	11,164

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; 30 of 33 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 35,182 households, on 82 carrier routes with 35,614 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

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Boston has the highest median age?: 02110 (Boston), at 55.1 (±4.9), among 30 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.