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

98020 (Edmonds), at 51.2 (±1.4), among 27 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 Snohomish County, WA

These are the 25 ZIP codes in Snohomish County with the highest median age, out of 27 with at least 1,000 residents. 98020 (Edmonds, 51.2), 98241 (Darrington, 44.0) and 98077 (Woodinville, 43.9) lead the list. There is no single "best" ZIP code in Snohomish 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 Snohomish County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	98020	Edmonds	51.2 ±1.4	19,551	9,017	9,104
2	98241	Darrington	44.0 ±7.2	2,339	919	330
3	98077	Woodinville	43.9 ±2.3	14,109	4,743	4,639
4	98026	Edmonds	42.9 ±1.4	38,976	15,500	16,068
5	98275	Mukilteo	42.8 ±2.5	21,323	8,365	8,660
6	98072	Woodinville	42.6 ±1.2	24,446	9,487	10,755
7	98292	Stanwood	41.9 ±1.7	27,389	9,912	9,867
8	98296	Snohomish	41.7 ±2.3	27,896	9,611	9,964
9	98290	Snohomish	41.5 ±1.8	39,826	14,424	14,510
10	98203	Everett	40.6 ±1.2	35,517	13,752	15,004
11	98223	Arlington	40.5 ±1.7	46,497	17,063	18,260
12	98251	Gold Bar	40.4 ±3.9	4,907	1,905	1,629
13	98252	Granite Falls	40.3 ±3.8	10,361	3,838	3,777
14	98036	Lynnwood	39.6 ±1.2	42,370	16,575	17,955
15	98271	Marysville	39.4 ±1.4	30,838	11,301	12,856
16	98201	Everett	38.9 ±1.7	31,895	14,104	15,250
17	98270	Marysville	38.8 ±1.2	55,049	19,462	20,265
18	98043	Mountlake Terrace	38.3 ±1.3	23,101	9,843	9,822
19	98021	Bothell	38.1 ±0.9	35,631	12,378	13,317
20	98272	Monroe	37.9 ±1.4	31,436	10,196	10,739
21	98294	Sultan	37.8 ±2.6	7,963	2,833	3,246
22	98037	Lynnwood	37.7 ±1.8	29,723	11,259	12,589
23	98208	Everett	37.4 ±0.7	60,915	21,848	22,578
24	98012	Bothell	36.1 ±0.7	77,041	27,903	29,048
25	98258	Lake Stevens	36.1 ±0.9	52,752	18,181	19,614

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; 27 of 29 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 38,544 households, on 60 carrier routes with 38,801 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 98020 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 Snohomish County has the highest median age?: 98020 (Edmonds), at 51.2 (±1.4), among 27 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.