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

97014 (Cascade Locks), at 52.1 (±16.0), among 34 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 Multnomah County, OR

These are the 25 ZIP codes in Multnomah County with the highest median age, out of 34 with at least 1,000 residents. 97014 (Cascade Locks, 52.1), 97231 (Portland, 51.7) and 97035 (Lake Oswego, 44.6) lead the list. There is no single "best" ZIP code in Multnomah 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 Multnomah County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	97014	Cascade Locks	52.1 ±16.0	1,459	634	217
2	97231	Portland	51.7 ±5.4	4,308	1,829	—
3	97035	Lake Oswego	44.6 ±2.3	25,911	11,106	—
4	97221	Portland	42.9 ±1.7	12,915	5,230	—
5	97213	Portland	42.8 ±1.2	31,408	14,549	—
6	97019	Corbett	42.8 ±4.1	3,233	1,096	—
7	97215	Portland	42.2 ±1.3	17,296	7,516	—
8	97219	Portland	41.8 ±1.2	42,430	18,069	—
9	97212	Portland	41.8 ±2.0	28,042	11,856	11,443
10	97220	Portland	41.1 ±1.5	27,202	11,796	12,107
11	97205	Portland	40.5 ±2.0	9,121	6,369	—
12	97206	Portland	39.6 ±0.9	49,890	21,439	22,294
13	97216	Portland	39.5 ±1.9	16,638	6,861	7,206
14	97239	Portland	39.3 ±1.6	17,804	9,190	—
15	97080	Gresham	38.9 ±2.1	48,411	16,860	17,088
16	97230	Portland	38.7 ±2.5	43,553	16,344	16,065
17	97211	Portland	38.7 ±1.2	33,769	14,466	—
18	97266	Portland	38.6 ±1.2	35,423	13,114	13,553
19	97229	Portland	38.4 ±0.9	76,106	28,430	—
20	97210	Portland	38.4 ±2.3	11,324	7,068	8,189
21	97233	Portland	38.0 ±1.8	36,236	13,744	—
22	97202	Portland	37.8 ±1.1	43,533	19,449	21,037
23	97060	Troutdale	37.8 ±3.6	21,649	7,908	8,164
24	97236	Portland	37.7 ±1.6	37,558	13,054	14,183
25	97024	Fairview	37.6 ±5.0	12,007	4,979	4,890

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; 34 of 37 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 33,348 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 97014 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 Multnomah County has the highest median age?: 97014 (Cascade Locks), at 52.1 (±16.0), among 34 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.