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

98146 (Seattle), at 34.2%, 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.

ZIP codes with the most families with kids in Seattle, WA

These are the 25 ZIP codes in Seattle, WA with the highest share of households with children, out of 33 with at least 1,000 residents. 98146 (Seattle, 34.2%), 98178 (Seattle, 33.8%) and 98108 (Seattle, 33.1%) lead the list. There is no single "best" ZIP code in Seattle; 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 Seattle

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	98146	Seattle	34.2%	28,573	10,617	11,029
2	98178	Seattle	33.8%	26,748	9,349	9,572
3	98108	Seattle	33.1%	25,529	9,016	8,873
4	98118	Seattle	32.2%	50,500	19,176	21,274
5	98168	Seattle	32.0%	35,528	12,260	13,060
6	98198	Seattle	31.6%	40,463	14,588	15,323
7	98177	Seattle	31.6%	21,090	8,134	8,181
8	98117	Seattle	29.9%	35,711	14,983	16,086
9	98155	Seattle	29.1%	36,511	14,344	16,373
10	98199	Seattle	28.7%	22,468	10,052	9,948
11	98148	Seattle	28.1%	9,715	3,954	4,542
12	98166	Seattle	26.6%	22,082	8,961	9,699
13	98115	Seattle	25.5%	54,349	23,843	26,226
14	98188	Seattle	25.5%	27,311	11,430	11,394
15	98126	Seattle	24.8%	22,975	10,248	11,137
16	98106	Seattle	23.8%	28,690	11,791	11,696
17	98136	Seattle	22.9%	17,252	7,921	7,934
18	98116	Seattle	21.1%	28,711	14,051	15,176
19	98112	Seattle	21.1%	23,921	10,918	11,456
20	98133	Seattle	20.4%	53,249	23,701	25,933
21	98144	Seattle	20.0%	33,787	16,019	20,158
22	98125	Seattle	19.1%	44,520	20,688	22,105
23	98103	Seattle	16.0%	52,671	26,873	29,056
24	98105	Seattle	15.9%	49,767	18,756	22,444
25	98107	Seattle	13.2%	28,776	15,835	17,496

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; 33 of 38 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 60,418 households, on 102 carrier routes with 63,808 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 98146 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 Seattle has the highest share of households with children?: 98146 (Seattle), at 34.2%, among 33 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.