ZIP code 98038
Where is ZIP code 98038?
Maple Valley, Washington
King County · Standard ZIP code
ZIP code 98038 belongs to Maple Valley, Washington in King County. 98038 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area codes 253, 360, 425 and 564. About 37,324 people live in the 98038 area, where the median household income is $152,261. The closest ZIP codes are 98042 (Kent, 3.2 mi west), 98025 (Hobart, 4.7 mi northeast) and 98058 (Renton, 5.2 mi northwest).
| ZIP code | 98038 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Maple Valley |
| State | Washington (WA) |
| County | King County |
| Time zone | Pacific Time · now |
| Area codes | 253, 360, 425, 564 |
| Coordinates | 47.3845, -122.0574 map |
| 3-digit prefix | 980 |
Population and income in 98038
| Population | 37,324 · higher than 90% of Washington ZIP codes |
|---|---|
| People per square mile | 567 · higher than 67% of Washington ZIP codes |
| Median age | 38.5 years · lower than 63% of Washington ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $152,261 · higher than 94% of Washington ZIP codes |
| Income per person | $57,730 |
| Below the poverty line | 5.2% |
| Bachelor’s degree or higher | 49% of adults 25+ |
| Median home value | $776,900 · higher than 87% of Washington ZIP codes |
| Median rent | $2,316 a month |
| Housing units | 12,936 |
| Households | 12,618 (2.95 people on average) |
| Owners / renters | 86% / 14% |
| Land area | 65.81 sq mi (plus 0.35 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 98038. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 98038
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 98042 | Kent, WA | 3.2 mi W | Standard |
| 98025 | Hobart, WA | 4.7 mi NE | PO Box only |
| 98058 | Renton, WA | 5.2 mi NW | Standard |
| 98010 | Black Diamond, WA | 5.6 mi SE | Standard |
| 98093 | Federal Way, WA | 5.7 mi SW | PO Box only |
| 98031 | Kent, WA | 6.4 mi W | Standard |
| 98089 | Kent, WA | 6.8 mi W | PO Box only |
| 98092 | Auburn, WA | 6.9 mi S | Standard |
| 98030 | Kent, WA | 7.2 mi W | Standard |
| 98027 | Issaquah, WA | 8.1 mi N | Standard |
| 98022 | Enumclaw, WA | 8.2 mi S | Standard |
| 98035 | Kent, WA | 8.3 mi W | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 98038 or measure the distance to another ZIP code.
How to address mail to 98038
123 MAIN ST
MAPLE VALLEY WA 98038
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Four Corners and Wilderness Village: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (98038-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 98038?
- 98038 is a Maple Valley, Washington ZIP code.
- What county is 98038 in?
- ZIP code 98038 is in King County, Washington.
- What time zone is ZIP code 98038 in?
- 98038 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 98038?
- Phone numbers in ZIP code 98038 use area codes 253, 360, 425 and 564.
- What is the population of ZIP code 98038?
- About 37,324 people live in ZIP code 98038, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 98038?
- The median household income in 98038 is $152,261 a year, higher than 94% of Washington ZIP codes.
- What ZIP codes are near 98038?
- The nearest ZIP codes to 98038 are 98042 (Kent, 3.2 miles), 98025 (Hobart, 4.7 miles), 98058 (Renton, 5.2 miles) and 98010 (Black Diamond, 5.6 miles).