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

33478 (Jupiter), at 32.5%, among 11 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 Martin County, FL

These are the 11 ZIP codes in Martin County with the highest share of households with children, out of 11 with at least 1,000 residents. 33478 (Jupiter, 32.5%), 34956 (Indiantown, 31.1%) and 33458 (Jupiter, 30.8%) lead the list. There is no single "best" ZIP code in Martin 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 Martin County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	33478	Jupiter	32.5%	14,731	5,244	5,730
2	34956	Indiantown	31.1%	9,630	2,019	2,774
3	33458	Jupiter	30.8%	55,512	21,097	22,728
4	34990	Palm City	24.1%	30,592	12,082	14,371
5	34974	Okeechobee	20.9%	23,975	10,272	11,425
6	34997	Stuart	19.3%	47,075	19,506	22,621
7	33469	Jupiter	16.1%	14,686	6,726	7,862
8	34994	Stuart	16.0%	18,737	8,197	10,288
9	34957	Jensen Beach	15.9%	23,462	11,200	15,814
10	33455	Hobe Sound	14.2%	20,018	9,253	11,898
11	34996	Stuart	10.5%	10,653	5,642	7,518

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; 11 of 12 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 50,714 households, on 94 carrier routes with 57,028 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 33478 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 Martin County has the highest share of households with children?: 33478 (Jupiter), at 32.5%, among 11 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.