Which ZIP code in Boston has the highest share of households with children?

02124 (Dorchester Center), at 38.4%, 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.

ZIP codes with the most families with kids in Boston, MA

These are the 25 ZIP codes in Boston, MA with the highest share of households with children, out of 30 with at least 1,000 residents. 02124 (Dorchester Center, 38.4%), 02163 (Boston, 38.3%) and 02121 (Dorchester, 35.8%) 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.

ZIP codes with the most families with kids in Boston

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	02124	Dorchester Center	38.4%	56,216	20,287	18,146
2	02163	Boston	38.3%	1,817	410	700
3	02121	Dorchester	35.8%	29,040	10,760	9,489
4	02126	Mattapan	34.0%	26,583	9,284	8,641
5	02136	Hyde Park	33.9%	37,265	13,719	12,643
6	02467	Chestnut Hill	32.4%	23,001	6,852	7,378
7	02131	Roslindale	28.6%	31,151	12,694	12,056
8	02122	Dorchester	26.3%	23,479	9,299	9,229
9	02132	West Roxbury	25.4%	26,444	11,107	11,927
10	02128	East Boston	23.9%	43,345	17,736	18,362
11	02119	Roxbury	23.5%	27,377	11,920	11,555
12	02129	Charlestown	23.1%	20,032	9,606	8,934
13	02125	Dorchester	22.9%	33,662	14,246	13,683
14	02130	Jamaica Plain	18.2%	40,055	18,237	17,056
15	02199	Boston	16.0%	1,292	775	921
16	02120	Roxbury Crossing	15.8%	15,283	4,625	5,719
17	02118	Boston	15.5%	28,946	14,497	15,092
18	02111	Boston	13.8%	8,407	3,711	4,994
19	02127	South Boston	12.1%	36,769	18,066	18,777
20	02135	Brighton	9.2%	43,149	21,143	23,973
21	02114	Boston	8.3%	14,418	8,396	10,282
22	02110	Boston	7.9%	2,342	1,322	2,069
23	02108	Boston	7.8%	3,794	1,973	2,199
24	02115	Boston	7.2%	29,705	9,873	11,352
25	02109	Boston	7.0%	3,612	2,085	2,420

How we ranked them

Ranked by the share of households with one or more people under 18 (ACS Data Profile, 2020–2024). The Census Bureau does not publish a margin of error for this share in our files. ZIP codes need at least 1,000 residents to be ranked; 30 of 33 qualify.

Which of these to mail, and why

Households with children buy tutoring, youth sports, pediatric and family dental care, child care, birthday venues and family dining. EDDM reaches every door on a route, so a higher share means more of your pieces land with families.

The top five ZIP codes on this list hold 54,460 households, on 88 carrier routes with 49,619 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 02124 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 Boston has the highest share of households with children?: 02124 (Dorchester Center), at 38.4%, among 30 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of households with one or more people under 18 (ACS Data Profile, 2020–2024). The Census Bureau does not publish a margin of error for this share in our files.
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.