Postal Codes

98597 ZIP Code

Advertisement

English Español

ZIP code 98597 covers Yelm, Washington, with a population of about 26,431 and a median household income of $92,120.

Population
26,431238 per square mile
Median age
36.22.5 points below the US average
Median household income
$92,120about the Washington median
Poverty rate
7.9%4.5 points below the US average
Typical home value
$490,244up 11.5% in five years
Median rent
$1,44114% below the Washington median
Degree or higher
22.9%12.1 points below the US average
Homeownership
80.4%15.4 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
405

Where 98597 is

Yelm, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population26,431
Median age36.2
Family households71.8%
Born outside the US6.7%
Speaks a language other than English at home10.1%
White (non-Hispanic)75.8%
Black (non-Hispanic)3%
Asian (non-Hispanic)1.5%
Hispanic or Latino10.2%
Veterans18.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$92,120
Income per person$38,078
Poverty rate7.9%
Households on SNAP or cash assistance10.9%

Household income distribution

Under $10k5.0%
$10–15k2.1%
$15–20k1.5%
$20–25k2.0%
$25–30k1.0%
$30–35k1.3%
$35–40k2.3%
$40–45k2.2%
$45–50k2.4%
$50–60k6.8%
$60–75k10.2%
$75–100k18.5%
$100–125k14.9%
$125–150k9.3%
$150–200k14.4%
$200k or more6.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,860
Mean adjusted gross income$73,174
Returns declaring $200,000 or more3.7%
Returns, under $25k20.3%
Returns, $25k–$50k23.9%
Returns, $50k–$75k19.0%
Returns, $75k–$100k13.2%
Returns, $100k–$200k19.9%
Returns, $200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$423,200
Median gross rent$1,441
Rent as a share of household income26.8%
Owner-occupied80.4%
Vacant homes6.2%
Median year built1998

What the homes are

Detached house78.7%
Attached house1.1%
2 to 4 units2.5%
5 to 19 units2%
20 or more units1.9%
Mobile home13.7%
Boat, RV or van0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$490,244as of 2026-07
Typical home value, 1 yearup 0.6%
Typical home value, 5 yearsup 11.5%
Typical home value, 10 yearsup 118.4%
Typical asking rent$2,234as of 2026-07
Typical asking rent, 1 yearup 6.3%
Typical home value since 2000
200020132026$496,706$150,109

$150,109 in 2000 to $490,244 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.8%
Bachelor's degree or higher22.9%
High school diploma or higher91.4%
Works from home8.3%
Drives to work alone77.1%
Takes public transport0.3%
Commutes 45 minutes or more35.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.8% 0.6 pts below the national average of 33.4%
Diagnosed diabetes9.8% 2.2 pts below the national average of 12%
Currently smokes12.3% 0.9 pts below the national average of 13.2%
High blood pressure32.7% 1.4 pts below the national average of 34.1%
Fair or poor general health18% 2.3 pts below the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression29.7% 7.8 pts above the national average of 21.9%
No leisure-time physical activity18.1% 7.3 pts below the national average of 25.4%
Arthritis27.4% 2.3 pts above the national average of 25.1%
Binge drinking15.8% same as the national average of 16%
Taking blood pressure medication68.3% 6.4 pts below the national average of 74.7%
Cancer (non-skin)7.9% same as the national average of 7.7%
Current asthma12% 1.6 pts above the national average of 10.4%
Coronary heart disease5.4% 0.8 pts below the national average of 6.2%
Routine check-up in past year66.4% 10.3 pts below the national average of 76.7%
Cholesterol screening81.2% 4.7 pts below the national average of 85.9%
Cognitive disability16.3% 1.5 pts above the national average of 14.8%
Colorectal screening65.4% 1.1 pts above the national average of 64.3%
COPD5.7% 0.9 pts below the national average of 6.6%
Visited a dentist64.8% 3.5 pts above the national average of 61.3%
Any disability30.9% same as the national average of 30.7%
Hearing disability6.5% same as the national average of 6.7%
High cholesterol34.7% 1.5 pts below the national average of 36.2%
Independent living disability8.2% same as the national average of 8.4%
Mammography use72% 3.9 pts below the national average of 75.9%
Poor mental health (14+ days)19.4% 2.6 pts above the national average of 16.8%
Mobility disability11.6% 2.4 pts below the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours36.3% same as the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost11.3% 1.7 pts below the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments405
People employed3,614
Annual payroll$139,115,000
Advertisement
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 52.5% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 9 census tracts this ZIP code covers
Expected annual loss55 out of 100
Community resilience53.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Volcanic activity97Relatively Moderate at its worst in this ZIP code
Landslide94.9Relatively High at its worst in this ZIP code
Earthquake86.5Relatively High at its worst in this ZIP code
Wildfire71.5Relatively Low at its worst in this ZIP code
River flooding61.8Relatively High at its worst in this ZIP code
Heat wave58.3Relatively Moderate at its worst in this ZIP code
Winter weather35.6Relatively Low at its worst in this ZIP code
Ice storm34.3Relatively Low at its worst in this ZIP code
Strong wind22.8Relatively Low at its worst in this ZIP code
Tornado15.4Very Low at its worst in this ZIP code
Lightning12.9Very Low at its worst in this ZIP code
Cold wave10.8Very Low at its worst in this ZIP code
Hail10.2Very Low at its worst in this ZIP code
Avalanche2.1Very Low at its worst in this ZIP code
Drought1.1Very Low at its worst in this ZIP code
Coastal flooding0.9Relatively Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$92,120$94,952$78,538
Income per person$38,078$51,493$43,289
Poverty rate7.9%9.9%12.4%
Median home value$423,200$519,800$303,400
Median gross rent$1,441$1,682$1,348
Homeownership80.4%63.9%65%
Bachelor's degree or higher22.9%38.8%35%
Unemployment rate4.8%5%5.2%
Works from home8.3%17.7%13.5%
Born outside the US6.7%15.1%13.9%
Median age36.238.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationOLYMPIA AP, WA US24.6 km away
Rain in a year51 in
Snow in a year4 in

Average high and low by month

January46°F / 33.2°F7.8 in rain, 2 in snow
February49.1°F / 32.3°F5.09 in rain, 0.6 in snow
March53.7°F / 34.5°F5.68 in rain, 0.1 in snow
April58.9°F / 37.5°F3.67 in rain
May66.1°F / 43°F2.26 in rain
June70.8°F / 47.4°F1.46 in rain
July77.6°F / 50.7°F0.53 in rain
August78°F / 50.5°F0.96 in rain
September72.1°F / 46.2°F2.04 in rain
October60.2°F / 40.5°F5.07 in rain
November50.6°F / 35.8°F8.21 in rain
December44.9°F / 32.8°F7.85 in rain, 1.2 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket8% of this ZIP code's area
Far from a supermarket66% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Yelm Community Schools98.5% of this ZIP code's land area
Rainier School District1.5% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status44more vulnerable than 44% of US census tracts
Household characteristics15more vulnerable than 15% of US census tracts
Racial and ethnic minority status34more vulnerable than 34% of US census tracts
Housing type and transport34more vulnerable than 34% of US census tracts
Walkability4.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

98558 Mckenna, WA2.9 km away
98576 Rainier, WA8.1 km away
98509 Lacey, WA10.8 km away
98540 East Olympia, WA10.8 km away
98580 Roy, WA11.3 km away
98513 Olympia, WA14.3 km away
98503 Lacey, WA18.7 km away
98327 Dupont, WA19.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Thurston County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area111.02 sq mi
Water area3.78 sq mi
Population density238 people per sq mi
Latitude, longitude46.9206, -122.5880

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement