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

40121 (Fort Knox), at 61.1%, among 12 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 Hardin County, KY

These are the 12 ZIP codes in Hardin County with the highest share of households with children, out of 12 with at least 1,000 residents. 40121 (Fort Knox, 61.1%), 40175 (Vine Grove, 35.6%) and 42701 (Elizabethtown, 33.1%) lead the list. There is no single "best" ZIP code in Hardin 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 Hardin County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	40121	Fort Knox	61.1%	8,836	2,226	2,757
2	40175	Vine Grove	35.6%	15,718	5,839	6,420
3	42701	Elizabethtown	33.1%	53,987	22,085	25,170
4	40162	Rineyville	33.0%	6,180	2,345	2,435
5	40160	Radcliff	30.3%	23,624	9,748	10,244
6	42740	Glendale	27.1%	1,873	807	846
7	42784	Upton	25.6%	3,089	1,339	1,160
8	42776	Sonora	25.5%	2,082	775	1,120
9	40177	West Point	25.1%	1,523	658	715
10	42724	Cecilia	25.0%	5,345	2,144	2,138
11	42732	Eastview	21.6%	1,541	666	848
12	42712	Big Clifty	17.1%	1,714	784	894

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; 12 of 13 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 42,243 households, on 72 carrier routes with 47,026 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 40121 on the EDDM route map

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Frequently asked questions

Which ZIP code in Hardin County has the highest share of households with children?: 40121 (Fort Knox), at 61.1%, among 12 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.