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

12935 (Ellenburg Depot), at 52.3 (±7.9), among 18 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 Clinton County, NY

These are the 18 ZIP codes in Clinton County with the highest median age, out of 18 with at least 1,000 residents. 12935 (Ellenburg Depot, 52.3), 12903 (Plattsburgh, 50.3) and 12912 (Au Sable Forks, 50.2) lead the list. There is no single "best" ZIP code in Clinton 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 Clinton County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	12935	Ellenburg Depot	52.3 ±7.9	1,180	565	682
2	12903	Plattsburgh	50.3 ±8.0	1,824	968	1,050
3	12912	Au Sable Forks	50.2 ±6.4	1,682	761	728
4	12958	Mooers	46.9 ±6.7	1,827	825	752
5	12979	Rouses Point	45.6 ±3.6	2,465	1,192	1,154
6	12959	Mooers Forks	45.3 ±15.6	1,627	862	585
7	12921	Chazy	43.8 ±5.5	2,304	829	973
8	12934	Ellenburg Center	43.8 ±9.6	1,120	435	384
9	12919	Champlain	43.1 ±5.5	2,961	1,177	1,297
10	12962	Morrisonville	42.4 ±3.1	5,654	2,497	2,193
11	12918	Cadyville	42.0 ±6.6	2,412	1,071	930
12	12972	Peru	41.9 ±4.2	6,895	2,733	2,383
13	12992	West Chazy	40.9 ±7.2	4,615	1,930	2,019
14	12944	Keeseville	40.5 ±5.1	3,910	1,467	1,854
15	12981	Saranac	39.8 ±4.0	2,259	819	947
16	12910	Altona	39.8 ±4.5	1,890	623	711
17	12901	Plattsburgh	38.7 ±1.6	31,447	14,321	14,409
18	12929	Dannemora	37.2 ±1.5	2,684	309	—

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; 18 of 26 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 4,311 households, on 11 carrier routes with 4,366 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 12935 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 Clinton County has the highest median age?: 12935 (Ellenburg Depot), at 52.3 (±7.9), among 18 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.