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

85648 (Rio Rico), at 45.3%, among 7 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 Santa Cruz County, AZ

These are the 7 ZIP codes in Santa Cruz County with the highest share of households with children, out of 7 with at least 1,000 residents. 85648 (Rio Rico, 45.3%), 85621 (Nogales, 35.0%) and 85624 (Patagonia, 19.4%) lead the list. There is no single "best" ZIP code in Santa Cruz 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 Santa Cruz County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	85648	Rio Rico	45.3%	22,118	7,240	7,981
2	85621	Nogales	35.0%	21,593	7,186	7,690
3	85624	Patagonia	19.4%	1,546	756	146
4	85611	Elgin	17.3%	1,454	585	492
5	85637	Sonoita	15.7%	1,105	477	129
6	85645	Amado	11.5%	1,249	600	537
7	85646	Tubac	4.8%	1,345	746	—

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; 7 of 8 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 16,244 households, on 25 carrier routes with 16,438 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 85648 on the EDDM route map

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Frequently asked questions

Which ZIP code in Santa Cruz County has the highest share of households with children?: 85648 (Rio Rico), at 45.3%, among 7 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.