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

63456 (Monroe City), at 34.3%, among 5 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 Marion County, MO

These are the 5 ZIP codes in Marion County with the highest share of households with children, out of 5 with at least 1,000 residents. 63456 (Monroe City, 34.3%), 63454 (Maywood, 30.5%) and 63401 (Hannibal, 29.1%) lead the list. There is no single "best" ZIP code in Marion 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 Marion County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	63456	Monroe City	34.3%	4,749	1,727	2,035
2	63454	Maywood	30.5%	1,104	407	427
3	63401	Hannibal	29.1%	21,489	8,612	9,311
4	63461	Palmyra	28.8%	5,446	2,179	2,519
5	63440	Ewing	21.8%	1,136	386	594

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; 5 of 10 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 13,311 households, on 36 carrier routes with 14,886 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 63456 on the EDDM route map

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Frequently asked questions

Which ZIP code in Marion County has the highest share of households with children?: 63456 (Monroe City), at 34.3%, among 5 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.