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

16637 (East Freedom), at 56.9 (±5.0), 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 Blair County, PA

These are the 13 ZIP codes in Blair County with the highest median age, out of 13 with at least 1,000 residents. 16637 (East Freedom, 56.9), 16613 (Ashville, 51.2) and 15946 (Portage, 49.5) lead the list. There is no single "best" ZIP code in Blair 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 Blair County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	16637	East Freedom	56.9 ±5.0	2,345	1,129	1,013
2	16613	Ashville	51.2 ±6.3	1,647	719	510
3	15946	Portage	49.5 ±1.7	6,561	2,866	2,918
4	16625	Claysburg	47.3 ±5.2	3,147	1,327	1,363
5	16635	Duncansville	46.5 ±3.4	12,003	5,077	4,903
6	16648	Hollidaysburg	45.8 ±2.2	14,904	6,342	6,932
7	16602	Altoona	43.7 ±2.3	26,352	11,574	13,074
8	16686	Tyrone	42.4 ±2.3	13,427	5,480	5,894
9	16673	Roaring Spring	42.4 ±4.1	5,204	2,107	2,305
10	16662	Martinsburg	41.8 ±4.2	6,069	2,161	2,329
11	16617	Bellwood	41.6 ±4.8	2,392	974	1,073
12	16601	Altoona	39.8 ±1.2	33,515	13,615	14,420
13	16693	Williamsburg	39.8 ±3.1	3,795	1,433	1,708

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 17 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 11,118 households, on 19 carrier routes with 10,707 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 16637 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 Blair County has the highest median age?: 16637 (East Freedom), at 56.9 (±5.0), 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.