Residential delivery area · Washington
ZIP Code 98597: Yelm, WA
ZIP code 98597 uses the postal name Yelm, Washington and lies entirely in Thurston County (Census 2020 ZIP-county file). About 27,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $92,219 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Yelm (4%) and North Yelm (3%); 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Yelm · its only residential ZIP
- County
- Thurston County
- Census places
- Yelm (4%); North Yelm (3%) census-designated place
- Metro area
- Olympia-Lacey-Tumwater, WA
- House districts
- WA-3 (88%), WA-10 (12%) 119th Congress, by share of land
- State
- Washington
- Time zone
- Pacific
- Land area
- 111.0 sq mi · 240 people per sq mi
Where is ZIP code 98597?
98597 centers on 46.844°, -122.493° and covers 111.0 square miles of land plus 3.8 of water. It borders 8 ZIP codes: 98558, 98576, 98580, 98533, 98513, 98328, 98570, 98355.
The map draws ZIP code areas only. For the streets inside 98597, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 98597 compare with the rest of Thurston County?
| Measure | 98597 | In Thurston County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 26,669 | 8th of 15 | 131st of 605 |
| Median household income | $92k | 7th of 12 | 179th of 363 |
| Median home value | $448k | 8th of 12 | 243rd of 392 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 65% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 98597?
The 2020 Census counted 27,233 people in 98597; the ACS, which samples households over 2020-2024, estimates 26,669. Between the 2010 and 2020 censuses its population grew 26.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 26,669
- 2020 Census count
- 27,233+26.3% since 2010 (21,557)
- Households
- 9,715
- Median age
- 36.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 98597?
Of the 26,669 people the ACS estimates in 98597, 24.7% are under 18 and 12.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.5%), then Hispanic or Latino (12.0%).
- Under 1824.7%
- 18 to 6462.6%
- 65 and older12.6%
- White, not Hispanic73.5%
- Hispanic or Latino12.0%
- Other or two or more10.0%
- Black, not Hispanic3.1%
- Asian, not Hispanic1.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 98597 earn?
Median household income is $92,219 (ACS 2020-2024), the 7th highest of the 12 ranked ZIP codes in Thurston County. It is not measurably different from 2015-2019 ($86,661 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $92,219
- Income per person
- $39,279
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 3.0%
- Adults 25+ with a bachelor's degree
- 24.1%
- Adjusted gross income per tax return, 2022
- $73,17411,860 returns; wages 77% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 98597?
FHFA's house price index for 98597, built from repeat sales and appraisals of the same homes, rose 133% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +6.4% in 2025.
- Median home value (owners' estimate)
- $447,600
- Median gross rent
- $1,638
- Homes owned by their occupants
- 78.2%
- Housing units
- 10,384
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 98597?
394 business establishments had a location in this ZIP code in 2023, 48 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction82
- Retail trade55
- Health care and social assistance42
- Accommodation and food services40
- Other services (except public administration)40
- Professional, scientific, and technical services31
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 98597?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98558 | McKenna | 61 | – | 7.1 mi |
| 98576 | Rainier | 4,985 | $105k | 7.4 mi |
| 98580 | Roy | 11,410 | $105k | 9.9 mi |
| 98533 | Cinebar | 890 | $39k | 13.5 mi |
| 98513 | Olympia | 38,017 | $113k | 15.3 mi |
| 98328 | Eatonville | 9,891 | $104k | 15.6 mi |
| 98570 | Onalaska | 5,319 | $96k | 16.5 mi |
| 98355 | Mineral | 702 | $102k | 23.5 mi |
| 98589 | Tenino | 7,010 | $84k | 14.3 mi (near) |
| 98387 | Spanaway | 50,774 | $107k | 15.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.