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

63134 (Saint Louis), at 37.9%, among 44 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 Saint Louis, MO

These are the 25 ZIP codes in Saint Louis, MO with the highest share of households with children, out of 44 with at least 1,000 residents. 63134 (Saint Louis, 37.9%), 63120 (Saint Louis, 37.3%) and 63131 (Saint Louis, 37.2%) lead the list. There is no single "best" ZIP code in Saint Louis; 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 Saint Louis

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	63134	Saint Louis	37.9%	13,059	4,851	5,287
2	63120	Saint Louis	37.3%	6,790	2,722	2,923
3	63131	Saint Louis	37.2%	17,935	6,511	6,482
4	63137	Saint Louis	33.9%	19,684	8,104	7,527
5	63106	Saint Louis	33.8%	6,751	3,342	4,800
6	63122	Saint Louis	33.6%	41,634	16,686	17,610
7	63132	Saint Louis	33.2%	14,283	5,997	6,095
8	63138	Saint Louis	31.3%	18,233	7,339	7,398
9	63126	Saint Louis	30.3%	15,452	6,208	6,435
10	63136	Saint Louis	29.9%	40,929	17,457	17,760
11	63135	Saint Louis	29.2%	18,381	7,997	8,147
12	63124	Saint Louis	27.6%	10,839	4,832	5,165
13	63119	Saint Louis	27.1%	34,181	14,476	14,485
14	63114	Saint Louis	26.9%	33,969	15,031	15,082
15	63125	Saint Louis	26.7%	33,294	13,820	14,726
16	63129	Saint Louis	26.5%	51,553	21,301	22,430
17	63105	Saint Louis	25.7%	18,875	7,088	7,515
18	63118	Saint Louis	25.4%	25,913	12,138	11,093
19	63127	Saint Louis	25.0%	5,268	2,149	2,378
20	63141	Saint Louis	24.4%	20,932	8,751	9,034
21	63147	Saint Louis	24.4%	8,173	3,620	3,649
22	63128	Saint Louis	23.4%	30,540	13,032	13,196
23	63123	Saint Louis	23.3%	49,077	21,755	22,718
24	63116	Saint Louis	23.2%	42,170	19,900	18,720
25	63146	Saint Louis	23.2%	30,678	14,551	15,543

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; 44 of 45 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 25,530 households, on 70 carrier routes with 27,019 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 63134 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 Saint Louis has the highest share of households with children?: 63134 (Saint Louis), at 37.9%, among 44 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.