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

18078 (Schnecksville), at 36.6%, among 26 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 Lehigh County, PA

These are the 25 ZIP codes in Lehigh County with the highest share of households with children, out of 26 with at least 1,000 residents. 18078 (Schnecksville, 36.6%), 18102 (Allentown, 36.3%) and 18031 (Breinigsville, 34.6%) lead the list. There is no single "best" ZIP code in Lehigh County; 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 Lehigh County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	18078	Schnecksville	36.6%	7,857	2,794	2,814
2	18102	Allentown	36.3%	51,001	17,289	17,779
3	18031	Breinigsville	34.6%	11,570	4,098	4,829
4	18062	Macungie	34.0%	27,110	10,037	10,474
5	18049	Emmaus	33.0%	18,941	7,702	8,401
6	18109	Allentown	32.8%	18,446	7,030	7,391
7	18066	New Tripoli	32.8%	6,102	2,331	2,348
8	18103	Allentown	32.4%	48,746	18,880	19,345
9	18011	Alburtis	31.8%	5,338	1,958	2,138
10	18080	Slatington	31.1%	11,226	4,553	4,950
11	18036	Coopersburg	30.8%	15,581	6,009	5,856
12	18106	Allentown	29.9%	6,226	2,513	2,841
13	18069	Orefield	29.7%	8,515	3,146	2,990
14	18051	Fogelsville	28.9%	3,624	1,491	1,875
15	18052	Whitehall	28.6%	29,451	11,713	11,982
16	18032	Catasauqua	28.5%	9,555	4,083	4,152
17	18104	Allentown	28.4%	48,683	18,532	19,434
18	18037	Coplay	27.7%	7,472	3,035	3,156
19	18041	East Greenville	26.7%	5,768	2,373	2,219
20	18015	Bethlehem	26.6%	34,852	12,150	12,997
21	19529	Kempton	26.6%	3,109	1,132	1,168
22	18034	Center Valley	26.5%	9,209	2,922	3,296
23	18101	Allentown	25.0%	6,120	2,576	—
24	18053	Germansville	24.5%	2,344	918	913
25	18092	Zionsville	22.7%	3,230	1,229	1,241

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; 26 of 32 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 41,920 households, on 67 carrier routes with 44,297 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 18078 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 Lehigh County has the highest share of households with children?: 18078 (Schnecksville), at 36.6%, among 26 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.