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

29555 (Johnsonville), at 39.1%, among 11 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 Florence County, SC

These are the 11 ZIP codes in Florence County with the highest share of households with children, out of 11 with at least 1,000 residents. 29555 (Johnsonville, 39.1%), 29583 (Pamplico, 35.0%) and 29541 (Effingham, 34.5%) lead the list. There is no single "best" ZIP code in Florence 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 Florence County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	29555	Johnsonville	39.1%	5,972	2,101	2,333
2	29583	Pamplico	35.0%	4,994	1,759	1,916
3	29541	Effingham	34.5%	9,326	3,593	4,037
4	29591	Scranton	34.2%	4,639	1,700	2,045
5	29114	Olanta	33.4%	1,786	664	714
6	29501	Florence	31.3%	48,673	18,977	22,421
7	29506	Florence	30.4%	20,777	7,233	8,506
8	29505	Florence	27.6%	23,895	9,712	11,172
9	29530	Coward	27.2%	2,641	930	1,153
10	29560	Lake City	25.7%	12,277	5,164	5,485
11	29161	Timmonsville	22.7%	9,688	4,060	4,865

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; 11 of 11 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 9,817 households, on 18 carrier routes with 11,045 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 29555 on the EDDM route map

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Frequently asked questions

Which ZIP code in Florence County has the highest share of households with children?: 29555 (Johnsonville), at 39.1%, among 11 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.