Youngest ZIP codes in Williamsburg County, SC

These are the 10 ZIP codes in Williamsburg County with the lowest median age, out of 10 with at least 1,000 residents. 29518 (Cades, 35.6), 29580 (Nesmith, 38.6) and 29510 (Andrews, 40.8) lead the list. There is no single "best" ZIP code in Williamsburg County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Williamsburg County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
129518Cades35.6 ±12.71,121482522
229580Nesmith38.6 ±15.61,322485603
329510Andrews40.8 ±3.410,5453,9044,399
429590Salters41.6 ±2.43,4801,017956
529111New Zion41.6 ±4.51,401513541
629556Kingstree42.6 ±3.510,5594,5495,335
729554Hemingway42.7 ±5.98,6813,4703,864
829560Lake City44.0 ±2.812,2775,1645,485
929564Lane49.7 ±7.81,262488334
1029056Greeleyville50.6 ±8.42,203975954

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 10 of 10 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 6,401 households, on 16 carrier routes with 7,021 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 29518 on the EDDM route map

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Frequently asked questions

Which ZIP code in Williamsburg County has the lowest median age?
29518 (Cades), at 35.6 (±12.7), among 10 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024).
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.