Which ZIP code in Matanuska-Susitna County has the highest median age?

99674 (Sutton), at 49.8 (±10.9), among 9 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 Matanuska-Susitna Borough, AK

These are the 9 ZIP codes in Matanuska-Susitna Borough with the highest median age, out of 9 with at least 1,000 residents. 99674 (Sutton, 49.8), 99588 (Glennallen, 45.6) and 99688 (Willow, 45.5) lead the list. There is no single "best" ZIP code in Matanuska-Susitna 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 Matanuska-Susitna County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	99674	Sutton	49.8 ±10.9	1,774	677	207
2	99588	Glennallen	45.6 ±5.1	1,037	483	137
3	99688	Willow	45.5 ±4.2	2,739	1,162	588
4	99676	Talkeetna	41.9 ±9.0	1,628	707	167
5	99652	Big Lake	40.2 ±3.3	4,313	1,791	—
6	99645	Palmer	37.5 ±0.8	32,103	11,103	2,071
7	99694	Houston	36.9 ±5.5	1,516	577	—
8	99654	Wasilla	35.3 ±0.6	44,647	15,773	13,454
9	99623	Wasilla	34.9 ±1.8	23,424	7,701	1,177

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; 9 of 12 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 4,820 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 99674 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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EDDM guides

Frequently asked questions

Which ZIP code in Matanuska-Susitna County has the highest median age?: 99674 (Sutton), at 49.8 (±10.9), among 9 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.