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

63025 (Eureka), at 41.0%, among 17 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, MO

These are the 17 ZIP codes in Jefferson County with the highest share of households with children, out of 17 with at least 1,000 residents. 63025 (Eureka, 41.0%), 63023 (Dittmer, 37.5%) and 63012 (Barnhart, 35.9%) 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	63025	Eureka	41.0%	19,508	6,911	7,352
2	63023	Dittmer	37.5%	5,002	1,895	1,892
3	63012	Barnhart	35.9%	10,314	3,857	4,141
4	63052	Imperial	34.7%	28,712	10,659	11,632
5	63070	Pevely	34.3%	8,428	3,165	3,368
6	63048	Herculaneum	34.1%	4,228	1,611	1,762
7	63015	Catawissa	33.7%	1,939	706	878
8	63028	Festus	33.3%	28,457	11,061	12,107
9	63050	Hillsboro	32.9%	18,744	6,555	6,565
10	63026	Fenton	31.7%	45,354	17,488	18,439
11	63051	House Springs	31.5%	13,436	5,027	5,942
12	63010	Arnold	31.3%	34,478	13,885	14,513
13	63020	De Soto	30.3%	20,166	7,989	8,661
14	63049	High Ridge	28.9%	16,592	6,458	6,906
15	63019	Crystal City	27.7%	4,489	1,836	1,866
16	63069	Pacific	25.8%	15,697	6,416	6,428
17	63016	Cedar Hill	19.7%	6,459	2,682	3,317

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; 17 of 19 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 26,487 households, on 46 carrier routes with 28,385 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 63025 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Jefferson County has the highest share of households with children?: 63025 (Eureka), at 41.0%, among 17 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.