Oldest ZIP codes in Spokane, WA
These are the 15 ZIP codes in Spokane, WA with the highest median age, out of 15 with at least 1,000 residents. 99203 (Spokane, 43.4), 99223 (Spokane, 40.9) and 99224 (Spokane, 40.6) lead the list. There is no single "best" ZIP code in Spokane; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Oldest ZIP codes in Spokane
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 99203 | Spokane | 43.4 ±2.1 | 21,468 | 9,224 | — |
| 2 | 99223 | Spokane | 40.9 ±1.6 | 36,094 | 14,767 | — |
| 3 | 99224 | Spokane | 40.6 ±1.7 | 24,919 | 10,502 | 11,784 |
| 4 | 99208 | Spokane | 40.5 ±1.5 | 58,669 | 23,479 | 25,340 |
| 5 | 99201 | Spokane | 40.2 ±1.7 | 15,829 | 8,218 | — |
| 6 | 99206 | Spokane | 40.1 ±1.7 | 41,089 | 16,533 | 17,051 |
| 7 | 99212 | Spokane | 39.5 ±2.2 | 21,707 | 8,876 | 9,724 |
| 8 | 99217 | Spokane | 38.3 ±2.0 | 21,441 | 8,399 | — |
| 9 | 99218 | Spokane | 38.0 ±3.3 | 16,897 | 6,330 | 6,807 |
| 10 | 99216 | Spokane | 37.9 ±1.9 | 28,578 | 11,899 | 13,532 |
| 11 | 99205 | Spokane | 37.0 ±0.8 | 43,169 | 17,674 | — |
| 12 | 99204 | Spokane | 33.6 ±2.9 | 7,643 | 4,050 | 4,089 |
| 13 | 99207 | Spokane | 32.9 ±1.5 | 32,770 | 13,193 | — |
| 14 | 99202 | Spokane | 32.8 ±1.4 | 19,921 | 7,764 | 8,759 |
| 15 | 99001 | Airway Heights | 32.6 ±2.1 | 9,440 | 2,804 | — |
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; 15 of 17 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 66,190 households. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 99203 on the EDDM route map
More rankings
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- ZIP codes with the highest home values in Spokane
- ZIP codes with the highest homeownership in Spokane
- ZIP codes with the most families with kids in Spokane
- ZIP codes with the most new movers in Spokane
- Youngest ZIP codes in Spokane
- Fastest-growing ZIP codes in Spokane
- Oldest ZIP codes in Spokane County
- All Spokane ZIP codes
Businesses that mail these ZIP codes
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Frequently asked questions
- Which ZIP code in Spokane has the highest median age?
- 99203 (Spokane), at 43.4 (±2.1), among 15 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.