ZIP code
95674
in Rio Oso, CaliforniaPopulation 998
45.94/ 100
Ranked #21,413 of 32,066 US ZIPs (bottom 33%)
Ranked #1,278 of 1,719 California ZIPs (bottom 26%)
Ranked #9 of 19 Yuba City, CA ZIPs (top 47%)
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.
Outer-floodplain exposure
40.9%
in the top 1.1% nationally
Lower is healthier
ST96thUS99thDefinition & source ›
The share of this ZIP’s land area inside FEMA’s 0.2%-annual-chance flood band — the “500-year” zone, a lower but real 1-in-500 yearly chance.
Measured from FEMA’s mapped flood panels. Where a panel has not been mapped, no value is published for that ZIP — those ZIPs are absent from this comparison rather than counted as unexposed.
Full methodology ›Floodplain exposure
59.1%
in the top 2.7% nationally
Lower is healthier
ST97thUS97thDefinition & source ›
The share of this ZIP’s land area inside FEMA’s 1%-annual-chance floodplain — the “100-year” flood zone, where flooding has about a 1-in-100 chance in any given year.
Measured from FEMA’s mapped flood panels. Where a panel has not been mapped, no value is published for that ZIP — those ZIPs are absent from this comparison rather than counted as unexposed.
Full methodology ›Crowded housing
12.9%
in the top 2.9% nationally
Lower is healthier
ST85thUS97thDefinition & source ›
The share of occupied homes with more than one person per room, the Census definition of crowded housing.
Full methodology ›Fine-particle (PM2.5) exceedance
2.5%
in the top 3.3% nationally
Lower is healthier
ST71stUS97thDefinition & 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 ›Dry extreme heat
87.4 days/year
in the top 3.7% nationally
Lower is healthier
ST88thUS96thDefinition & source ›
The average number of days per year with a modeled daily high of at least 95 °F.
Full methodology ›Air-toxics cancer risk
40 per million
in the top 4.5% nationally
Lower is healthier
ST73rdUS96thDefinition & source ›
The EPA’s modeled estimate of added lifetime cancer risk from breathing outdoor air toxics, in cases per million people exposed over a lifetime.
Full methodology ›Tree cover
0.00%
at the national minimum
Higher is healthier
ST1stUS1stDefinition & source ›
The share of this ZIP’s land area covered by forest.
Full methodology ›Nitrate in drinking water
0.47%
in the top 7.3% nationally
Lower is healthier
ST84thUS93rdDefinition & 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 ›Natural-disaster risk
in the top 9.6% nationally
Lower is healthier
ST62ndUS90thDefinition & source ›
This area’s national rank on its single highest non-flood natural hazard — such as wildfire, tornado, or earthquake — in FEMA’s modeled National Risk Index; flooding is shown separately.
Full methodology ›The read
Rio Oso, California (ZIP 95674), on the composite measure, lands in the bottom 33% nationally (21,413th) and the bottom 26% of California (1,278th).
What the numbers press hardest on defines much of the story here: outer-floodplain exposure rests in the top 1.1% nationally, floodplain exposure sits in the top 2.7% nationally, and crowded housing registers in the top 2.9% nationally. Modeled fine-particle lands in the top 3.3% nationally, extreme heat resides in the top 3.7% nationally, and air-toxics cancer risk lies in the top 4.5% nationally. Modeled tree cover settles at the national minimum, and nitrate stands in the top 7.3% nationally. Fiber broadband is at the national minimum, shared with about 19% of ZIPs. Modeled disaster risk rests in the top 9.6% nationally.
Set against the neighboring ZIPs, outer-floodplain exposure runs far higher than the surrounding ZIPs on this measure. In everyday language, fine-particle is fine airborne particles about one-thirtieth the width of a hair, counted on modeled days above the EPA standard. Air-toxics cancer risk is a modeled EPA estimate of added lifetime cancer risk from breathing outdoor air, per million people. Nitrate is a groundwater compound from fertilizer, manure, and sewage, here a modeled estimate of the chance private-well levels exceed a benchmark. A healthier neighbor overall sits at ZIP 95648, 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. Compare it against the US, this state and the Yuba City, CA metro area.
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 65%
21%
Risk Behavior
healthier than 69%
11%
About typical
Disability
healthier than 46%
7%
Holding it back
Social Need / SDOH
healthier than 29%
16%
Environmental Hazard
healthier than 14%
14%
Preventive Care
healthier than 23%
13%
Mental Health
healthier than 36%
8%
Climate / Disaster Risk
in the bottom 0.2%
5%
Healthcare Access
healthier than 24%
5%
Nothing measured is lifting this score.
About typical
Environmental Hazard
healthier than 44%
14%
Preventive Care
healthier than 45%
13%
Risk Behavior
healthier than 45%
11%
Disability
healthier than 43%
7%
Holding it back
Chronic Disease Burden
healthier than 30%
21%
Social Need / SDOH
healthier than 33%
16%
Mental Health
healthier than 26%
8%
Climate / Disaster Risk
healthier than 1%
5%
Healthcare Access
healthier than 15%
5%
Lifting this score
Chronic Disease Burden
healthier than 69%
21%
Social Need / SDOH
healthier than 69%
16%
Environmental Hazard
healthier than 77%
14%
Risk Behavior
healthier than 77%
11%
Mental Health
healthier than 62%
8%
Disability
healthier than 85%
7%
About typical
Preventive Care
healthier than 46%
13%
Holding it back
Climate / Disaster Risk
healthier than 8%
5%
Healthcare Access
healthier than 23%
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
95648
Californiashares a border
Score 56.86
Closest healthier
95659
Californiashares a border
Score 46.79
Similar health profile
95917
California97% similar profile
Score 46.90
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 | 26.8% | 23.6–30.5 |
| High blood pressure among adults | 34.7% | 30.6–39.4 |
| Cancer (non-skin) or melanoma among adults | 9.0% | 8.1–9.9 |
| Current asthma among adults | 10.8% | 9.5–12.3 |
| Coronary heart disease among adults | 7.1% | 6.3–8.0 |
| Chronic obstructive pulmonary disease among adults | 7.4% | 6.3–8.5 |
| Depression among adults | 23.8% | 20.3–28.0 |
| Diagnosed diabetes among adults | 11.6% | 10.0–13.5 |
| High cholesterol among adults who have ever been screened | 37.0% | 32.6–41.8 |
| Obesity among adults | 30.8% | 23.4–39.7 |
| Stroke among adults | 3.8% | 3.4–4.2 |
| All teeth lost among adults aged >=65 years | 9.7% | 7.7–12.0 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 8.3% | 6.8–10.0 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 72.5% | 68.9–76.1 |
| Visits to doctor for routine checkup within the past year among adults | 73.1% | 69.0–77.2 |
| Cholesterol screening among adults | 86.6% | 84.7–88.3 |
| Colorectal cancer screening among adults aged 45–75 years | 61.1% | 55.7–66.4 |
| Visited dentist or dental clinic in the past year among adults | 62.3% | 58.7–65.8 |
| Mammography use among women aged 50-74 years | 72.2% | 63.5–80.0 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 16.2% | 13.3–19.7 |
| Current cigarette smoking among adults | 13.8% | 11.5–16.5 |
| No leisure-time physical activity among adults | 22.9% | 18.7–27.6 |
| Short sleep duration among adults | 33.9% | 27.1–41.1 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 22.3% | 19.3–25.8 |
| Frequent mental distress among adults | 17.9% | 15.8–20.3 |
| Frequent physical distress among adults | 15.2% | 13.3–17.4 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 15.6% | 13.7–18.0 |
| Any disability among adults | 32.8% | 28.3–37.8 |
| Hearing disability among adults | 7.4% | 6.5–8.4 |
| Independent living disability among adults | 8.9% | 7.8–10.3 |
| Mobility disability among adults | 15.8% | 13.6–18.3 |
| Self-care disability among adults | 4.3% | 3.8–4.9 |
| Vision disability among adults | 5.4% | 4.8–6.0 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 25.1% | 21.3–29.2 |
| Food insecurity in the past 12 months among adults | 14.6% | 12.1–17.3 |
| Received food stamps in the past 12 months among adults | 14.4% | 12.0–17.0 |
| Housing insecurity in the past 12 months among adults | 12.5% | 10.5–14.5 |
| Lack of reliable transportation in the past 12 months among adults | 8.3% | 7.2–9.5 |
| Loneliness among adults | 34.8% | 29.4–40.4 |
| Utility services shut-off threat in the past 12 months among adults | 6.9% | 5.9–8.0 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | CA median (p10–p90) |
|---|---|---|---|
| Poverty rate | 7.4% | 10.6% (3.1–25.8%) n=32,364 | 10.6% (4.1–24.9%) n=1,714 |
| Uninsured 18–64 | 7.0% | 9.0% (1.5–24.3%) n=32,286 | 7.7% (1.7–17.9%) n=1,704 |
| No HS diploma (25+) | 17.8% | 7.9% (1.8–20.7%) n=32,505 | 9.8% (1.4–30.9%) n=1,729 |
| Bachelor's or higher (25+) | 23.4% | 23.3% (9.2–53.6%) n=32,505 | 31.3% (9.9–68.2%) n=1,729 |
| Unemployment rate (16+) | 6.3% | 3.9% (0.0–9.8%) n=32,274 | 6.1% (0.8–12.0%) n=1,714 |
| Households without a vehicle | 2.8% | 3.9% (0.0–12.5%) n=32,322 | 4.5% (0.0–12.2%) n=1,708 |
| Broadband subscription | 83.3% | 89.3% (75.1–97.1%) n=32,322 | 93.4% (82.1–98.4%) n=1,708 |
| Housing cost burden (≥30% income) | 23.6% | 23.7% (10.6–40.0%) n=32,322 | 38.6% (24.4–50.5%) n=1,708 |
| Homeownership rate | 70.1% | 78.7% (51.7–94.0%) n=32,322 | 64.1% (31.9–86.4%) n=1,708 |
| Crowded housing (>1 per room) | 12.9% | 1.3% (0.0–6.3%) n=32,322 | 4.8% (0.0–15.9%) n=1,708 |
| Foreign-born population | 6.9% | 2.6% (0.0–18.6%) n=32,553 | 18.9% (3.0–40.4%) n=1,730 |
| Single-parent households | 51.2% | 53.6% (37.3–74.1%) n=32,087 | 48.4% (35.1–72.3%) n=1,692 |
| Population 65+ | 22.0% | 19.4% (10.8–33.6%) n=32,553 | 17.0% (9.7–35.7%) n=1,730 |
| Median age | 42.4 yr | 42.2 yr (33.0–56.3) n=32,292 | 40.1 yr (31.8–57.0) n=1,712 |
| Median household income | $104,750 | $72,070 ($46,039–$118,707) n=30,318 | $93,448 ($54,188–$159,562) n=1,584 |
| Median home value | $542,800 | $222,200 ($100,300–$579,820) n=30,049 | $659,800 ($300,520–$1,493,340) n=1,593 |
| Median gross rent | $1,425 | $1,021 ($677–$1,912) n=25,670 | $1,912 ($1,113–$2,923) n=1,461 |
Life expectancyNCHS / RWJF USALEEP · model-based
| Measure | Value | US median (p10–p90) | CA median (p10–p90) |
|---|---|---|---|
| Life expectancy at birth | 80.3 yr ± 1.27 | 78.9 yr (74.7–82.8) n=31,308 | 80.5 yr (76.7–83.8) n=1,665 |
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 1.27 years of 80.3, 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