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

80602 (Brighton), at 43.1%, among 6 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 Thornton, CO

These are the 6 ZIP codes in Thornton, CO with the highest share of households with children, out of 6 with at least 1,000 residents. 80602 (Brighton, 43.1%), 80229 (Denver, 35.8%) and 80241 (Thornton, 34.9%) lead the list. There is no single "best" ZIP code in Thornton; 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 Thornton

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	80602	Brighton	43.1%	44,783	14,310	16,679
2	80229	Denver	35.8%	55,092	19,434	19,164
3	80241	Thornton	34.9%	34,082	12,679	13,879
4	80023	Broomfield	34.5%	27,143	10,381	13,025
5	80260	Denver	34.2%	34,677	12,224	13,004
6	80233	Denver	29.6%	48,441	18,071	18,173

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; 6 of 6 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 69,028 households, on 103 carrier routes with 75,751 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 80602 on the EDDM route map

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Frequently asked questions

Which ZIP code in Thornton has the highest share of households with children?: 80602 (Brighton), at 43.1%, among 6 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.