Thurston County, Washington ZIP codes
21 ZIP codes are in Thurston County, plus 2 that cross in from neighboring counties. It's part of the Olympia-Lacey-Tumwater, WA metro area.
- ZIP codes
- 21
- Population in these ZIPs
- 297,238
- Avg. median income
- $97,200population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Thurston County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 98501 | Olympia | 48,067 | $97,198 | $542,300 |
| 98502 | Olympia | 35,398 | $92,207 | $567,700 |
| 98503 | Lacey | 41,656 | $89,002 | $479,100 |
| 98504 PO Box | Olympia | — | — | — |
| 98505 | Olympia | 881 | — | — |
| 98506 | Olympia | 18,497 | $91,596 | $537,000 |
| 98507 PO Box | Olympia | — | — | — |
| 98508 PO Box | Olympia | — | — | — |
| 98509 PO Box | Lacey | — | — | — |
| 98511 PO Box | Tumwater | — | — | — |
| 98512 | Olympia | 31,864 | $101,530 | $546,300 |
| 98513 | Olympia | 38,017 | $113,053 | $500,300 |
| 98516 | Olympia | 29,177 | $98,892 | $572,800 |
| 98530 | Bucoda | 619 | $80,682 | $306,300 |
| 98540 PO Box | East Olympia | — | — | — |
| 98556 | Littlerock | 350 | — | — |
| 98576 | Rainier | 4,985 | $104,896 | $510,100 |
| 98579 | Rochester | 14,048 | $99,411 | $508,700 |
| 98589 | Tenino | 7,010 | $83,855 | $505,600 |
| 98597 | Yelm | 26,669 | $92,219 | $479,800 |
| 98599 PO Box | Olympia | — | — | — |
ZIP codes partly in Thurston County
These ZIP codes are mostly in a neighboring county but cover part of Thurston County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 98531 | Centralia | Lewis County | 27,337 | $63,406 | $387,400 |
| 98568 | Oakville | Grays Harbor County | 3,050 | $84,531 | $381,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Thurston County
Nearby counties
Frequently asked questions
How many ZIP codes are in Thurston County, Washington?
21 ZIP codes are mainly in Thurston County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Thurston County?
ZIP codes in Thurston County use the city names Bucoda, East Olympia, Lacey, Littlerock, Olympia, Rainier, Rochester, Tenino, Tumwater and Yelm.
What metro area is Thurston County in?
Thurston County is part of the Olympia-Lacey-Tumwater, WA metropolitan statistical area.