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

16601 (Altoona), at 39.8 (±1.2), 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.

Youngest ZIP codes in Blair County, PA

These are the 13 ZIP codes in Blair County with the lowest median age, out of 13 with at least 1,000 residents. 16601 (Altoona, 39.8), 16693 (Williamsburg, 39.8) and 16617 (Bellwood, 41.6) 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.

Youngest ZIP codes in Blair County

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

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; 13 of 17 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 23,663 households, on 45 carrier routes with 25,424 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 16601 on the EDDM route map

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Frequently asked questions

Which ZIP code in Blair County has the lowest median age?: 16601 (Altoona), at 39.8 (±1.2), among 13 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.