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

12056 (Duanesburg), at 50.3 (±8.5), 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 Schenectady County, NY

These are the 13 ZIP codes in Schenectady County with the highest median age, out of 13 with at least 1,000 residents. 12056 (Duanesburg, 50.3), 12053 (Delanson, 46.9) and 12302 (Schenectady, 43.3) lead the list. There is no single "best" ZIP code in Schenectady 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 Schenectady County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	12056	Duanesburg	50.3 ±8.5	1,695	727	963
2	12053	Delanson	46.9 ±5.9	4,550	1,903	1,768
3	12302	Schenectady	43.3 ±1.9	28,031	11,759	12,194
4	12309	Schenectady	41.3 ±1.1	33,246	12,767	12,981
5	12303	Schenectady	41.3 ±1.7	29,360	11,910	12,697
6	12304	Schenectady	41.0 ±2.2	22,403	9,306	8,972
7	12066	Esperance	40.9 ±8.7	1,863	802	799
8	12306	Schenectady	38.9 ±2.0	27,865	11,895	12,482
9	12027	Burnt Hills	38.7 ±3.0	4,693	1,734	1,571
10	12305	Schenectady	35.3 ±2.8	7,356	3,636	3,362
11	12308	Schenectady	31.7 ±2.1	15,511	6,253	6,252
12	12137	Pattersonville	31.4 ±4.2	2,077	774	752
13	12307	Schenectady	27.6 ±5.0	7,050	3,166	2,832

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 15 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 39,066 households, on 84 carrier routes with 40,603 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 12056 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 Schenectady County has the highest median age?: 12056 (Duanesburg), at 50.3 (±8.5), 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.