Which ZIP code in Durham County has the highest median age?

27503 (Bahama), at 48.3 (±3.5), among 13 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.

Oldest ZIP codes in Durham County, NC

These are the 13 ZIP codes in Durham County with the highest median age, out of 13 with at least 1,000 residents. 27503 (Bahama, 48.3), 27712 (Durham, 44.4) and 27572 (Rougemont, 43.7) lead the list. There is no single "best" ZIP code in Durham County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Durham County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	27503	Bahama	48.3 ±3.5	5,374	1,501	1,545
2	27712	Durham	44.4 ±2.3	24,299	9,551	9,059
3	27572	Rougemont	43.7 ±4.4	6,131	2,489	3,049
4	27517	Chapel Hill	43.4 ±2.6	29,564	12,608	14,923
5	27613	Raleigh	41.2 ±1.3	45,235	18,982	20,277
6	27704	Durham	38.5 ±1.3	40,102	15,523	16,599
7	27703	Durham	36.5 ±0.8	63,458	26,653	34,817
8	27705	Durham	35.3 ±1.7	49,923	22,678	24,444
9	27707	Durham	35.0 ±1.1	51,274	21,863	23,023
10	27713	Durham	34.8 ±0.9	59,197	25,689	27,693
11	27701	Durham	34.7 ±1.4	24,793	11,974	14,858
12	27560	Morrisville	34.3 ±1.1	40,792	16,790	18,842
13	27708	Durham	19.9 ±0.2	3,253	0	—

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 13 of 14 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 45,131 households, on 76 carrier routes with 48,853 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 27503 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Durham County has the highest median age?: 27503 (Bahama), at 48.3 (±3.5), among 13 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest 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.