ZIP code
95248
in Rail Road Flat, CaliforniaPopulation 60
39.36/ 100
Ranked #27,162 of 32,066 US ZIPs (bottom 15%)
Ranked #1,516 of 1,719 California ZIPs (bottom 11.9%)
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.
PFAS in drinking water
3.3%
in the bottom 0.3% nationally
Lower is healthier
ST1stUS1stDefinition & source ›
The modeled probability that PFAS “forever chemicals” would be detected in untreated groundwater in this area, the source private wells draw on.
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 ›Stroke
6.6%
in the top 2.0% nationally
Lower is healthier
ST99thUS98thDefinition & source ›
The estimated share of adults who have been told by a health professional that they have had a stroke.
Full methodology ›Coronary heart disease
12.2%
in the top 1.5% nationally
Lower is healthier
ST99thUS99thDefinition & source ›
The estimated share of adults who have been told by a health professional that they have coronary heart disease or angina.
Full methodology ›Mobility disability
26.5%
in the top 1.9% nationally
Lower is healthier
ST99thUS98thDefinition & source ›
The estimated share of adults with serious difficulty walking or climbing stairs.
Full methodology ›Fine-particle (PM2.5) exceedance
3.6%
in the top 1.9% nationally
Lower is healthier
ST80thUS98thDefinition & 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 ›Housing-cost burden
0.00%
at the national minimum
Lower is healthier
ST1stUS1stDefinition & source ›
The share of households spending 30% or more of their income on housing.
Full methodology ›Transportation noise
0.00%
at the national minimum
Lower is healthier
ST1stUS1stDefinition & source ›
The modeled share of residents exposed to average road, rail, and aviation noise at or above 55 decibels — a noticeable background presence.
Full methodology ›Poverty rate
0.00%
at the national minimum
Lower is healthier
ST1stUS1stDefinition & source ›
The share of residents whose income is below the federal poverty line, from the Census Bureau’s American Community Survey.
Full methodology ›Homeownership rate
100%
at the national maximum
Higher is healthier
ST99thUS99thDefinition & source ›
The share of occupied homes that are owned, rather than rented, by the people living in them.
Full methodology ›Home broadband subscription
100%
at the national maximum
Higher is healthier
ST99thUS99thDefinition & source ›
The share of households with a broadband internet subscription.
Full methodology ›The read
By the composite health measure, Rail Road Flat, California (ZIP 95248) ranks in the bottom 15% nationally (27,162nd) and the bottom 11.9% of California (1,516th).
Where the load on this area runs deepest, the data leads: modeled stroke lies in the top 2.0% nationally, and coronary heart disease lands in the top 1.5% nationally. Modeled mobility disability sits in the top 1.9% nationally, and fine-particle is in the top 1.9% nationally. More encouragingly, modeled pfas settles in the bottom 0.3% nationally, housing-cost burden resides at the national minimum, and modeled transportation noise registers at the national minimum. Poverty rests at the national minimum, homeownership stands at the national maximum, and home broadband subscription lies at the national maximum.
To spell things out, pfas is the man-made "forever chemicals" that build up in the body and environment instead of breaking down; here a modeled estimate of the chance a private well contains them. Fine-particle is fine airborne particles about one-thirtieth the width of a hair, counted on modeled days above the EPA standard. Transportation noise is the modeled share of an area exposed to average road, rail, and air noise at or above 55 decibels. Close by, ZIP 95245, just across the boundary, ranks healthier overall.
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
Climate / Disaster Risk
healthier than 92%
5%
About typical
Social Need / SDOH
healthier than 52%
16%
Preventive Care
healthier than 52%
13%
Risk Behavior
healthier than 58%
11%
Holding it back
Chronic Disease Burden
healthier than 4%
21%
Environmental Hazard
healthier than 13%
14%
Mental Health
healthier than 39%
8%
Disability
healthier than 5%
7%
Healthcare Access
healthier than 8%
5%
Lifting this score
Preventive Care
healthier than 72%
13%
Climate / Disaster Risk
healthier than 82%
5%
About typical
Social Need / SDOH
healthier than 52%
16%
Environmental Hazard
healthier than 42%
14%
Holding it back
Chronic Disease Burden
healthier than 1%
21%
Risk Behavior
healthier than 33%
11%
Mental Health
healthier than 29%
8%
Disability
healthier than 5%
7%
Healthcare Access
healthier than 4%
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
95245
Californiashares a border
Score 40.91
Closest healthier
95246
Californiashares a border
Score 42.00
Similar health profile
95981
California98% similar profile
Score 41.69
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 | 39.4% | 35.3–43.4 |
| High blood pressure among adults | 46.0% | 41.3–50.6 |
| Cancer (non-skin) or melanoma among adults | 12.8% | 11.5–14.1 |
| Current asthma among adults | 11.6% | 10.2–13.0 |
| Coronary heart disease among adults | 12.2% | 10.7–13.5 |
| Chronic obstructive pulmonary disease among adults | 13.2% | 11.2–15.3 |
| Depression among adults | 24.0% | 20.4–27.7 |
| Diagnosed diabetes among adults | 18.6% | 16.1–21.2 |
| High cholesterol among adults who have ever been screened | 45.5% | 40.5–50.2 |
| Obesity among adults | 33.6% | 26.0–41.4 |
| Stroke among adults | 6.6% | 5.9–7.3 |
| All teeth lost among adults aged >=65 years | 13.9% | 11.2–17.1 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 9.5% | 7.6–11.5 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 81.9% | 78.9–84.5 |
| Visits to doctor for routine checkup within the past year among adults | 79.4% | 75.8–82.5 |
| Cholesterol screening among adults | 89.0% | 87.4–90.4 |
| Colorectal cancer screening among adults aged 45–75 years | 66.3% | 60.7–71.3 |
| Visited dentist or dental clinic in the past year among adults | 56.1% | 52.0–60.0 |
| Mammography use among women aged 50-74 years | 71.9% | 63.3–79.4 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 11.8% | 9.5–14.2 |
| Current cigarette smoking among adults | 17.2% | 14.3–20.5 |
| No leisure-time physical activity among adults | 32.0% | 26.7–37.7 |
| Short sleep duration among adults | 35.0% | 28.5–41.4 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 30.9% | 26.9–35.2 |
| Frequent mental distress among adults | 17.4% | 15.3–19.7 |
| Frequent physical distress among adults | 20.4% | 17.9–23.1 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 16.9% | 14.8–19.3 |
| Any disability among adults | 43.3% | 38.1–48.5 |
| Hearing disability among adults | 11.8% | 10.4–13.2 |
| Independent living disability among adults | 12.7% | 11.1–14.6 |
| Mobility disability among adults | 26.5% | 23.1–30.1 |
| Self-care disability among adults | 7.1% | 6.2–8.0 |
| Vision disability among adults | 8.8% | 7.7–9.9 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 24.6% | 20.9–28.5 |
| Food insecurity in the past 12 months among adults | 19.4% | 16.2–23.0 |
| Received food stamps in the past 12 months among adults | 22.2% | 18.7–26.0 |
| Housing insecurity in the past 12 months among adults | 13.4% | 11.3–15.7 |
| Lack of reliable transportation in the past 12 months among adults | 10.4% | 9.0–11.9 |
| Loneliness among adults | 32.3% | 27.4–37.4 |
| Utility services shut-off threat in the past 12 months among adults | 8.4% | 7.1–9.8 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | CA median (p10–p90) |
|---|---|---|---|
| Poverty rate | 0.0% | 10.6% (3.1–25.8%) n=32,364 | 10.6% (4.1–24.9%) n=1,714 |
| Uninsured 18–64 | 0.0% | 9.0% (1.5–24.3%) n=32,286 | 7.7% (1.7–17.9%) n=1,704 |
| No HS diploma (25+) | 0.0% | 7.9% (1.8–20.7%) n=32,505 | 9.8% (1.4–30.9%) n=1,729 |
| Bachelor's or higher (25+) | 0.0% | 23.3% (9.2–53.6%) n=32,505 | 31.3% (9.9–68.2%) n=1,729 |
| Unemployment rate (16+) | 0.0% | 3.9% (0.0–9.8%) n=32,274 | 6.1% (0.8–12.0%) n=1,714 |
| Households without a vehicle | 0.0% | 3.9% (0.0–12.5%) n=32,322 | 4.5% (0.0–12.2%) n=1,708 |
| Broadband subscription | 100.0% | 89.3% (75.1–97.1%) n=32,322 | 93.4% (82.1–98.4%) n=1,708 |
| Housing cost burden (≥30% income) | 0.0% | 23.7% (10.6–40.0%) n=32,322 | 38.6% (24.4–50.5%) n=1,708 |
| Homeownership rate | 100.0% | 78.7% (51.7–94.0%) n=32,322 | 64.1% (31.9–86.4%) n=1,708 |
| Crowded housing (>1 per room) | 0.0% | 1.3% (0.0–6.3%) n=32,322 | 4.8% (0.0–15.9%) n=1,708 |
| Foreign-born population | 0.0% | 2.6% (0.0–18.6%) n=32,553 | 18.9% (3.0–40.4%) n=1,730 |
| Single-parent households | 0.0% | 53.6% (37.3–74.1%) n=32,087 | 48.4% (35.1–72.3%) n=1,692 |
| Population 65+ | 0.0% | 19.4% (10.8–33.6%) n=32,553 | 17.0% (9.7–35.7%) n=1,730 |
| Median age | 11.8 yr | 42.2 yr (33.0–56.3) n=32,292 | 40.1 yr (31.8–57.0) n=1,712 |
| Median household income | — | $72,070 ($46,039–$118,707) n=30,318 | $93,448 ($54,188–$159,562) n=1,584 |
| Median home value | — | $222,200 ($100,300–$579,820) n=30,049 | $659,800 ($300,520–$1,493,340) n=1,593 |
| Median gross rent | — | $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 | 78.8 yr ± 1.40 | 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 1.40 years of 78.8, 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