Which ZIP code in Johnston County has the lowest median age?

27527 (Clayton), at 35.7 (±2.0), among 16 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.

Youngest ZIP codes in Johnston County, NC

These are the 16 ZIP codes in Johnston County with the lowest median age, out of 16 with at least 1,000 residents. 27527 (Clayton, 35.7), 27524 (Four Oaks, 36.4) and 27501 (Angier, 36.9) lead the list. There is no single "best" ZIP code in Johnston 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 Johnston County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	27527	Clayton	35.7 ±2.0	39,256	13,846	16,382
2	27524	Four Oaks	36.4 ±3.7	13,999	5,089	6,034
3	27501	Angier	36.9 ±1.5	24,806	9,023	11,200
4	27569	Princeton	37.0 ±5.6	8,833	3,251	3,794
5	27576	Selma	37.3 ±3.1	21,624	7,998	8,308
6	27520	Clayton	37.6 ±1.3	48,014	17,819	21,803
7	27592	Willow Spring	38.7 ±2.5	21,114	7,086	7,629
8	27504	Benson	38.7 ±3.0	17,079	6,980	8,794
9	27597	Zebulon	38.9 ±2.1	30,184	10,976	15,101
10	27568	Pine Level	39.2 ±8.2	1,542	542	—
11	27529	Garner	39.3 ±2.3	55,242	21,417	26,116
12	27591	Wendell	40.1 ±2.9	29,838	10,751	13,824
13	27557	Middlesex	40.7 ±3.4	8,657	2,992	3,978
14	27542	Kenly	40.8 ±5.0	9,850	3,892	4,053
15	27577	Smithfield	41.3 ±1.7	28,354	10,297	11,529
16	28366	Newton Grove	42.8 ±7.0	3,769	1,602	2,123

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; 16 of 18 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 39,207 households, on 59 carrier routes with 45,718 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 27527 on the EDDM route map

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Frequently asked questions

Which ZIP code in Johnston County has the lowest median age?: 27527 (Clayton), at 35.7 (±2.0), among 16 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.