ZIP codes with the most families with kids in Union County, OH

These are the 8 ZIP codes in Union County with the highest share of households with children, out of 8 with at least 1,000 residents. 43064 (Plain City, 50.3%), 43061 (Ostrander, 41.3%) and 43045 (Milford Center, 38.6%) lead the list. There is no single "best" ZIP code in Union 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 Union County

RankZIPMailing cityHouseholds with children under 18ResidentsHouseholdsResidential mailboxes
143064Plain City50.3%18,1436,31310,072
243061Ostrander41.3%4,9211,5441,897
343045Milford Center38.6%1,739591693
443340Mount Victory36.2%2,103655540
543344Richwood34.4%6,1732,3382,321
643040Marysville33.9%38,99014,51916,179
743358West Mansfield32.3%2,275987920
843067Raymond27.5%1,884655573

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; 8 of 12 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 11,441 households, on 27 carrier routes with 15,523 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 43064 on the EDDM route map

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Frequently asked questions

Which ZIP code in Union County has the highest share of households with children?
43064 (Plain City), at 50.3%, among 8 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.