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

19031 (Flourtown), at 52.5 (±2.6), among 54 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 Montgomery County, PA

These are the 25 ZIP codes in Montgomery County with the highest median age, out of 54 with at least 1,000 residents. 19031 (Flourtown, 52.5), 19041 (Haverford, 51.0) and 19504 (Barto, 50.0) lead the list. There is no single "best" ZIP code in Montgomery 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 Montgomery County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	19031	Flourtown	52.5 ±2.6	4,929	2,044	2,032
2	19041	Haverford	51.0 ±2.4	6,308	2,391	2,773
3	19504	Barto	50.0 ±7.4	5,335	2,125	2,040
4	18074	Perkiomenville	48.2 ±5.2	5,590	2,311	2,083
5	19454	North Wales	46.8 ±2.5	27,755	11,031	11,894
6	19444	Lafayette Hill	45.7 ±5.4	11,065	4,471	4,400
7	19025	Dresher	45.5 ±6.8	7,423	2,789	2,781
8	19006	Huntingdon Valley	45.4 ±2.5	23,443	8,531	9,075
9	19403	Norristown	45.3 ±2.2	44,017	18,988	19,290
10	19027	Elkins Park	44.8 ±1.6	20,420	8,470	8,444
11	18915	Colmar	44.7 ±7.5	1,648	603	659
12	19438	Harleysville	44.6 ±2.2	25,438	9,467	9,901
13	18041	East Greenville	44.2 ±5.7	5,768	2,373	2,219
14	18076	Red Hill	44.2 ±5.8	2,833	1,218	1,267
15	19002	Ambler	44.0 ±1.7	32,128	12,084	13,585
16	19046	Jenkintown	44.0 ±2.1	19,640	7,929	8,756
17	18969	Telford	43.9 ±2.3	15,245	6,077	6,254
18	19072	Narberth	43.9 ±3.1	10,129	4,203	4,295
19	19035	Gladwyne	43.9 ±3.4	3,937	1,308	1,654
20	19453	Mont Clare	43.5 ±6.4	1,259	601	659
21	19096	Wynnewood	43.4 ±2.8	15,249	5,885	5,882
22	19422	Blue Bell	43.0 ±1.7	20,412	7,981	8,399
23	19446	Lansdale	42.8 ±1.0	61,848	24,178	23,660
24	19034	Fort Washington	42.5 ±3.1	7,488	2,639	2,702
25	19009	Bryn Athyn	42.4 ±6.0	1,124	352	—

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; 54 of 65 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 19,902 households, on 40 carrier routes with 20,822 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 19031 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Montgomery County has the highest median age?: 19031 (Flourtown), at 52.5 (±2.6), among 54 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.