ZIP code
98857
in Warden, WashingtonPopulation 4,062
46.59/ 100
Ranked #20,642 of 32,066 US ZIPs (bottom 36%)
Ranked #492 of 581 Washington ZIPs (bottom 15%)
Ranks are modeled estimates — ZIPs a few hundred places apart are effectively tied.
What defines this ZIP
Metrics where this ZIP sits in the tails of the national distribution — the ones that most set it apart. Select any tile for its definition and methodology.
Arsenic in groundwater
46.8%
in the top 1.0% nationally
Lower is healthier
ST99thUS99thDefinition & source ›
The modeled probability that untreated groundwater in this area — the source private wells draw on — exceeds the federal arsenic limit of 10 micrograms per liter.
A modeled likelihood for untreated groundwater, the source drawn on by private wells, which are federally unregulated. It is not a measurement of treated water delivered by a public system, and it is not a test of any individual well.
Full methodology ›Uninsured (under 65)
21%
in the top 3.9% nationally
Lower is healthier
ST96thUS96thDefinition & source ›
The estimated share of adults aged 18–64 with no current health-insurance coverage.
Full methodology ›Nitrate in drinking water
11.6%
in the top 2.9% nationally
Lower is healthier
ST97thUS97thDefinition & source ›
The modeled share of this area’s domestic-well groundwater at or above the federal nitrate limit of 10 milligrams per liter.
A modeled likelihood for untreated groundwater, the source drawn on by private wells, which are federally unregulated. It is not a measurement of treated water delivered by a public system, and it is not a test of any individual well.
Full methodology ›Fine-particle (PM2.5) exceedance
1.9%
in the top 4.8% nationally
Lower is healthier
ST73rdUS95thDefinition & source ›
The share of days in the year when modeled fine-particle (PM2.5) pollution was above the EPA’s daily limit of 35 micrograms per cubic meter.
Full methodology ›Fatal road crashes
44.3 per 100,000 residents per year
in the top 5.5% nationally
Lower is healthier
ST96thUS95thDefinition & source ›
The annual rate of fatal road crashes per 100,000 residents, pooled over a ten-year window.
A rate per resident population. Where a ZIP has too few residents for the rate to be reliable — about 30% of US ZIPs — no value is published rather than an unstable one; those ZIPs are absent from this comparison, not counted as crash-free.
Full methodology ›Mammography
68.7%
in the bottom 9.4% nationally
Higher is healthier
ST18thUS9thDefinition & source ›
The estimated share of women aged 50–74 who had a mammogram within the past two years.
Full methodology ›Tree cover
0.00%
in the bottom 9.7% nationally
Higher is healthier
ST12thUS10thDefinition & source ›
The share of this ZIP’s land area covered by forest.
Full methodology ›Fiber broadband
92.4%
in the top 13.3% nationally
Higher is healthier
ST98thUS87thDefinition & source ›
The share of homes where fiber-optic internet service is available.
Full methodology ›Cognitive disability
18.9%
in the top 14.6% nationally
Lower is healthier
ST92ndUS85thDefinition & source ›
The estimated share of adults with serious difficulty concentrating, remembering, or making decisions.
Full methodology ›Vision disability
7.9%
in the top 12.8% nationally
Lower is healthier
ST95thUS87thDefinition & source ›
The estimated share of adults who are blind or have serious difficulty seeing even with glasses.
Full methodology ›The read
Warden, Washington (ZIP 98857), on the composite measure, lands in the bottom 36% nationally (20,642nd) and the bottom 15% of Washington (492nd).
Where this area is stretched, the data is unambiguous: modeled arsenic rests in the top 1.0% nationally, uninsured sits in the top 3.9% nationally, and nitrate registers in the top 2.9% nationally. Modeled fine-particle lands in the top 4.8% nationally, fatal road crashes resides in the top 5.5% nationally, and modeled mammography lies in the bottom 9.4% nationally. Modeled tree cover settles in the bottom 9.7% nationally, and cognitive disability stands in the top 14.6% nationally. Better still, modeled energy burden is in the bottom 10.1% nationally, and fiber broadband rests in the top 13.3% nationally.
Set against the neighboring ZIPs, arsenic runs far higher than the surrounding ZIPs on this measure. In everyday language, arsenic is a natural groundwater contaminant, here a modeled estimate of the chance private-well levels exceed a benchmark. Nitrate is a groundwater compound from fertilizer, manure, and sewage, here a modeled estimate of the chance private-well levels exceed a benchmark. Fine-particle is fine airborne particles about one-thirtieth the width of a hair, counted on modeled days above the EPA standard. A healthier neighbor overall sits at ZIP 98832, just across the boundary.
What’s driving this score
Nine domains make up the ZipVitals Score — here is how this ZIP does on each, and how much each one counts.
Compared with the ZIP codes measured across all nine scoring domains — not with all US ZIP codes.
Lifting this score
Chronic Disease Burden
healthier than 64%
21%
Social Need / SDOH
healthier than 76%
16%
Climate / Disaster Risk
healthier than 67%
5%
About typical
Risk Behavior
healthier than 56%
11%
Holding it back
Environmental Hazard
healthier than 26%
14%
Preventive Care
healthier than 4%
13%
Mental Health
healthier than 37%
8%
Disability
healthier than 24%
7%
Healthcare Access
healthier than 32%
5%
Nothing measured is lifting this score.
About typical
Mental Health
healthier than 53%
8%
Holding it back
Chronic Disease Burden
healthier than 37%
21%
Social Need / SDOH
healthier than 39%
16%
Environmental Hazard
healthier than 27%
14%
Preventive Care
healthier than 6%
13%
Risk Behavior
healthier than 10%
11%
Disability
healthier than 7%
7%
Climate / Disaster Risk
healthier than 27%
5%
Healthcare Access
healthier than 27%
5%
“Share” is how much of this ZIP’s score the domain accounts for. Percentages are rounded; higher is healthier in every domain. How the score works, and who it compares you with ›
Nearby & similar ZIPs
Editorially selected — see how this ZIP compares to nearby and similar places.
Nearby
98832
Washingtonshares a border
Score 54.56
Closest healthier
98837
Washingtonshares a border
Score 50.01
Similar health profile
98812
Washington97% similar profile
Score 44.45
How these were chosen: only ZIPs with a published Score appear — a nearby ZIP with too little data to score won’t. Nearby means closest by distance between ZIP boundaries, which can cross state lines. A similar health profile is a close match across the nine Score domains, not similar demographics. Distances are measured between ZIP boundaries — ZIPs that touch share a border. How distance is measured
Evidence
Every measure this page draws on, by source. Collapsed by default — the full data stays in the page for search engines either way.
Health OutcomesCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Arthritis among adults | 25.1% | 22.9–27.6 |
| High blood pressure among adults | 33.4% | 30.6–36.6 |
| Cancer (non-skin) or melanoma among adults | 6.3% | 5.7–6.9 |
| Current asthma among adults | 10.8% | 9.8–12.1 |
| Coronary heart disease among adults | 6.7% | 6.0–7.5 |
| Chronic obstructive pulmonary disease among adults | 6.5% | 5.7–7.4 |
| Depression among adults | 23.3% | 20.7–26.4 |
| Diagnosed diabetes among adults | 13.4% | 12.0–15.2 |
| High cholesterol among adults who have ever been screened | 34.6% | 31.7–37.9 |
| Obesity among adults | 41.3% | 36.6–46.4 |
| Stroke among adults | 3.6% | 3.3–4.0 |
| All teeth lost among adults aged >=65 years | 15.0% | 12.5–17.7 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 21.0% | 17.3–24.9 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 70.8% | 67.9–73.6 |
| Visits to doctor for routine checkup within the past year among adults | 69.3% | 66.0–72.8 |
| Cholesterol screening among adults | 79.0% | 76.4–81.2 |
| Colorectal cancer screening among adults aged 45–75 years | 60.6% | 56.4–64.8 |
| Visited dentist or dental clinic in the past year among adults | 52.5% | 49.5–55.7 |
| Mammography use among women aged 50-74 years | 68.7% | 62.0–75.2 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 16.7% | 14.4–19.4 |
| Current cigarette smoking among adults | 13.3% | 11.5–15.3 |
| No leisure-time physical activity among adults | 28.9% | 25.1–33.1 |
| Short sleep duration among adults | 33.4% | 29.5–37.6 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 26.9% | 23.7–30.4 |
| Frequent mental distress among adults | 18.1% | 16.2–20.2 |
| Frequent physical distress among adults | 16.4% | 14.6–18.4 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 18.9% | 16.7–21.3 |
| Any disability among adults | 36.3% | 32.4–40.5 |
| Hearing disability among adults | 7.8% | 7.0–8.7 |
| Independent living disability among adults | 9.9% | 8.7–11.3 |
| Mobility disability among adults | 16.1% | 14.2–18.2 |
| Self-care disability among adults | 5.3% | 4.7–6.0 |
| Vision disability among adults | 7.9% | 6.9–8.9 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | WA median (p10–p90) |
|---|---|---|---|
| Poverty rate | 16.0% | 10.6% (3.1–25.8%) n=32,364 | 9.6% (3.5–22.3%) n=583 |
| Uninsured 18–64 | 21.9% | 9.0% (1.5–24.3%) n=32,286 | 8.2% (1.8–22.7%) n=582 |
| No HS diploma (25+) | 26.4% | 7.9% (1.8–20.7%) n=32,505 | 7.0% (1.5–16.5%) n=588 |
| Bachelor's or higher (25+) | 14.2% | 23.3% (9.2–53.6%) n=32,505 | 27.4% (12.3–59.7%) n=588 |
| Unemployment rate (16+) | 5.9% | 3.9% (0.0–9.8%) n=32,274 | 4.5% (0.0–9.7%) n=584 |
| Households without a vehicle | 5.9% | 3.9% (0.0–12.5%) n=32,322 | 3.7% (0.0–10.2%) n=580 |
| Broadband subscription | 89.0% | 89.3% (75.1–97.1%) n=32,322 | 92.7% (81.1–97.4%) n=580 |
| Housing cost burden (≥30% income) | 26.6% | 23.7% (10.6–40.0%) n=32,322 | 28.9% (14.6–40.6%) n=580 |
| Homeownership rate | 70.4% | 78.7% (51.7–94.0%) n=32,322 | 75.2% (48.2–91.7%) n=580 |
| Crowded housing (>1 per room) | 3.6% | 1.3% (0.0–6.3%) n=32,322 | 2.6% (0.0–7.9%) n=580 |
| Foreign-born population | 18.9% | 2.6% (0.0–18.6%) n=32,553 | 6.7% (0.3–27.6%) n=588 |
| Single-parent households | 41.9% | 53.6% (37.3–74.1%) n=32,087 | 54.3% (40.5–76.0%) n=574 |
| Population 65+ | 17.6% | 19.4% (10.8–33.6%) n=32,553 | 18.9% (10.3–36.9%) n=588 |
| Median age | 36.4 yr | 42.2 yr (33.0–56.3) n=32,292 | 41.0 yr (32.9–58.8) n=584 |
| Median household income | $61,860 | $72,070 ($46,039–$118,707) n=30,318 | $84,646 ($56,217–$132,145) n=547 |
| Median home value | $213,300 | $222,200 ($100,300–$579,820) n=30,049 | $452,750 ($241,540–$826,380) n=542 |
| Median gross rent | $862 | $1,021 ($677–$1,912) n=25,670 | $1,416 ($840–$2,197) n=476 |
Life expectancyNCHS / RWJF USALEEP · model-based
| Measure | Value | US median (p10–p90) | WA median (p10–p90) |
|---|---|---|---|
| Life expectancy at birth | 81.5 yr ± 2.58 | 78.9 yr (74.7–82.8) n=31,308 | 80.2 yr (77.3–83.1) n=584 |
About the ± — it’s this estimate’s give-or-take (statisticians call it the standard error). The true life expectancy for this ZIP most likely falls within 2.58 years of 81.5, and it’s very unlikely to be off by more than twice that.
More ZIPs to explore ▾More ZIPs to explore ▴
How these lists were built: they draw only from ZIPs that have a published Score, so ZIPs with too little data to score are not listed. Distance-based lists use distance between ZIP boundaries with no state filter, so an out-of-state ZIP can appear. Statistically similar means a close match across the nine Score domains, not a demographic match: the measure is the cosine similarity between two ZIPs’ domain scores, taken over the domains both ZIPs have data for and only where that overlap covers at least six of the nine — and where no ZIP clears that minimum-overlap floor, that list is left out rather than filled with a weak match. How distance is measured