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

80007 (Arvada), at 44.1%, among 27 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 Jefferson County, CO

These are the 25 ZIP codes in Jefferson County with the highest share of households with children, out of 27 with at least 1,000 residents. 80007 (Arvada, 44.1%), 80128 (Littleton, 32.0%) and 80003 (Arvada, 31.6%) lead the list. There is no single "best" ZIP code in Jefferson 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 Jefferson County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	80007	Arvada	44.1%	19,078	6,656	7,100
2	80128	Littleton	32.0%	36,712	14,385	14,788
3	80003	Arvada	31.6%	35,976	13,795	14,501
4	80005	Arvada	31.6%	28,459	11,217	11,406
5	80127	Littleton	31.1%	43,494	17,140	18,284
6	80403	Golden	30.9%	20,732	8,490	9,074
7	80465	Morrison	29.7%	16,582	6,409	6,204
8	80439	Evergreen	29.5%	24,610	10,218	10,456
9	80020	Broomfield	27.7%	54,201	21,326	22,532
10	80401	Golden	26.7%	43,811	17,319	19,125
11	80123	Littleton	26.5%	44,549	19,270	19,726
12	80228	Denver	26.0%	34,942	15,327	16,283
13	80031	Westminster	25.1%	35,584	14,529	15,791
14	80232	Denver	24.4%	23,050	9,619	9,362
15	80004	Arvada	23.3%	33,700	14,387	15,211
16	80433	Conifer	22.9%	8,292	3,408	3,507
17	80226	Denver	22.7%	31,573	13,780	14,279
18	80215	Denver	21.6%	19,839	8,726	9,908
19	80212	Denver	21.5%	20,746	10,212	10,066
20	80033	Wheat Ridge	20.9%	26,485	12,474	13,507
21	80235	Denver	20.6%	8,373	4,033	4,288
22	80227	Denver	20.5%	34,907	15,589	16,062
23	80002	Arvada	20.5%	21,270	9,755	10,727
24	80021	Broomfield	19.7%	36,555	17,163	19,115
25	80135	Sedalia	18.6%	4,141	1,679	1,442

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; 27 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 63,193 households, on 105 carrier routes with 66,079 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 80007 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 Jefferson County has the highest share of households with children?: 80007 (Arvada), at 44.1%, among 27 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.