ZIP code
94403
in San Mateo, CaliforniaPopulation 43,276
69.54/ 100
Ranked #675 of 32,066 US ZIPs (top 2.2%)
Ranked #107 of 1,719 California ZIPs (top 6.3%)
Ranked #53 of 174 San Francisco-Oakland-Fremont, CA ZIPs (top 30%)
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.
Median household income
$174,917
in the top 2.0% nationally
Higher is healthier
ST93rdUS98thDefinition & source ›
The middle household income in this ZIP — half of households earn more, half earn less — in dollars per year.
Full methodology ›Obesity
22%
in the bottom 2.1% nationally
Lower is healthier
ST12thUS2ndDefinition & source ›
The estimated share of adults with obesity, defined as a body-mass index of 30 or higher.
Full methodology ›Expected annual disaster loss
$1
in the top 1.3% nationally
Lower is healthier
ST91stUS99thDefinition & source ›
FEMA’s modeled estimate, in dollars per year, of the average harm to people expected from natural hazards — an annualized average, not a forecast for any single year.
Full methodology ›Energy-cost burden
0.88%
in the bottom 0.7% nationally
Lower is healthier
ST2ndUS1stDefinition & source ›
The modeled share of household income spent on home energy bills — electricity, gas, and heating fuels.
A modeled share of household income spent on home energy. Estimates that hit the model’s 100% ceiling are suppressed rather than published, because at that point the figure reflects the model’s limit rather than a measured burden.
Full methodology ›Short sleep
27.8%
in the bottom 2.7% nationally
Lower is healthier
ST3rdUS3rdDefinition & source ›
The estimated share of adults who usually sleep less than seven hours in a 24-hour period.
Full methodology ›Humid extreme heat
6.3 days/year
in the bottom 4.0% nationally
Lower is healthier
ST9thUS4thDefinition & source ›
The average number of days per year when modeled heat stress — temperature, humidity, sun, and wind combined — reaches levels hard on the body outdoors.
Full methodology ›Loud transportation noise
2.8%
in the top 4.4% nationally
Lower is healthier
ST73rdUS96thDefinition & source ›
The modeled share of residents exposed to average road, rail, and aviation noise at or above 65 decibels — around the volume of normal conversation.
Full methodology ›High blood pressure
26.6%
in the bottom 4.2% nationally
Lower is healthier
ST10thUS4thDefinition & source ›
The estimated share of adults who have been told by a health professional that they have high blood pressure.
Full methodology ›Natural-disaster risk
in the top 5.8% nationally
Lower is healthier
ST75thUS94thDefinition & 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 ›Walkability
140 intersections/sq mi
in the top 5.9% nationally
Higher is healthier
ST83rdUS94thDefinition & source ›
The number of street intersections per square mile — a standard street-connectivity measure; denser networks correlate with more walkable neighborhoods.
Full methodology ›The read
ZIP 94403, one of several in San Mateo, California, on the composite measure, lands in the top 2.2% healthiest ZIPs nationally (675th) and the top 6.3% of California (107th).
The profile cuts both ways, and the readings bear that out: household income lies in the top 2.0% nationally, modeled obesity settles in the bottom 2.1% nationally, and modeled energy burden stands in the bottom 0.7% nationally. Modeled short sleep is in the bottom 2.7% nationally, and humid heat rests in the bottom 4.0% nationally. Distance to an emergency room sits at the national minimum, shared with about 11% of ZIPs. Modeled high blood pressure registers in the bottom 4.2% nationally. Working the other way, modeled expected annual loss lands in the top 1.3% nationally, and loud transportation noise resides in the top 4.4% nationally. Modeled disaster risk lies in the top 5.8% nationally.
Set against the neighboring ZIPs, park land runs far lower than the surrounding ZIPs on this measure. In everyday language, expected annual loss is FEMA's modeled estimate, in dollars, of average yearly harm to people from natural hazards. Disaster risk is the area's national rank on its highest non-flood peril in FEMA's modeled Risk Index, like wildfire or quake. Energy burden is the share of household income that goes to home energy bills. A healthier neighbor overall sits at ZIP 94002, 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 San Francisco-Oakland-Fremont, 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 97%
21%
Social Need / SDOH
healthier than 94%
16%
Risk Behavior
healthier than 97%
11%
Mental Health
healthier than 91%
8%
Disability
healthier than 93%
7%
Climate / Disaster Risk
healthier than 94%
5%
Healthcare Access
in the top 0.00%
5%
About typical
Environmental Hazard
healthier than 59%
14%
Preventive Care
healthier than 41%
13%
Nothing measured is holding this score back.
Lifting this score
Chronic Disease Burden
healthier than 91%
21%
Social Need / SDOH
healthier than 90%
16%
Environmental Hazard
healthier than 78%
14%
Preventive Care
healthier than 62%
13%
Risk Behavior
healthier than 93%
11%
Mental Health
healthier than 91%
8%
Disability
healthier than 91%
7%
Climate / Disaster Risk
healthier than 89%
5%
Healthcare Access
in the top 0.00%
5%
Nothing measured is holding this score back.
Lifting this score
Chronic Disease Burden
healthier than 78%
21%
Social Need / SDOH
healthier than 61%
16%
Risk Behavior
healthier than 75%
11%
Mental Health
healthier than 72%
8%
Disability
healthier than 66%
7%
Climate / Disaster Risk
healthier than 80%
5%
Healthcare Access
in the top 0.00%
5%
About typical
Environmental Hazard
healthier than 54%
14%
Preventive Care
healthier than 44%
13%
Nothing measured is holding this score back.
“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
94002
Californiashares a border
Score 72.01
Closest healthier
94402
Californiashares a border
Score 72.53
Similar health profile
92129
California99% similar profile
Score 71.18
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 | 18.6% | 16.3–20.9 |
| High blood pressure among adults | 26.6% | 23.3–29.7 |
| Cancer (non-skin) or melanoma among adults | 6.5% | 5.9–7.1 |
| Current asthma among adults | 8.7% | 7.6–9.7 |
| Coronary heart disease among adults | 4.5% | 4.0–5.0 |
| Chronic obstructive pulmonary disease among adults | 3.7% | 3.2–4.1 |
| Depression among adults | 19.1% | 16.2–21.9 |
| Diagnosed diabetes among adults | 9.0% | 7.7–10.2 |
| High cholesterol among adults who have ever been screened | 35.0% | 31.1–38.6 |
| Obesity among adults | 22.0% | 17.5–26.5 |
| Stroke among adults | 2.4% | 2.2–2.6 |
| All teeth lost among adults aged >=65 years | 6.3% | 5.0–7.8 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 6.2% | 5.3–7.2 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 70.4% | 66.8–73.4 |
| Visits to doctor for routine checkup within the past year among adults | 70.2% | 66.2–73.7 |
| Cholesterol screening among adults | 87.4% | 85.9–88.9 |
| Colorectal cancer screening among adults aged 45–75 years | 64.4% | 59.7–68.8 |
| Visited dentist or dental clinic in the past year among adults | 70.4% | 67.2–73.5 |
| Mammography use among women aged 50-74 years | 79.0% | 72.4–84.7 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 15.8% | 13.1–18.4 |
| Current cigarette smoking among adults | 7.8% | 6.6–9.0 |
| No leisure-time physical activity among adults | 18.4% | 15.4–21.4 |
| Short sleep duration among adults | 27.8% | 23.2–32.6 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 15.6% | 13.7–17.5 |
| Frequent mental distress among adults | 13.6% | 11.9–15.2 |
| Frequent physical distress among adults | 10.2% | 9.0–11.4 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 10.8% | 9.5–12.0 |
| Any disability among adults | 22.8% | 19.8–25.9 |
| Hearing disability among adults | 4.8% | 4.2–5.4 |
| Independent living disability among adults | 5.7% | 5.1–6.3 |
| Mobility disability among adults | 9.6% | 8.4–10.9 |
| Self-care disability among adults | 2.5% | 2.3–2.7 |
| Vision disability among adults | 3.7% | 3.3–4.0 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 25.4% | 22.2–28.8 |
| Food insecurity in the past 12 months among adults | 11.0% | 9.4–12.7 |
| Received food stamps in the past 12 months among adults | 8.3% | 7.2–9.5 |
| Housing insecurity in the past 12 months among adults | 9.2% | 7.9–10.6 |
| Lack of reliable transportation in the past 12 months among adults | 6.1% | 5.4–6.9 |
| Loneliness among adults | 34.5% | 30.0–39.0 |
| Utility services shut-off threat in the past 12 months among adults | 4.6% | 4.0–5.3 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | CA median (p10–p90) |
|---|---|---|---|
| Poverty rate | 6.6% | 10.6% (3.1–25.8%) n=32,364 | 10.6% (4.1–24.9%) n=1,714 |
| Uninsured 18–64 | 4.2% | 9.0% (1.5–24.3%) n=32,286 | 7.7% (1.7–17.9%) n=1,704 |
| No HS diploma (25+) | 7.4% | 7.9% (1.8–20.7%) n=32,505 | 9.8% (1.4–30.9%) n=1,729 |
| Bachelor's or higher (25+) | 60.6% | 23.3% (9.2–53.6%) n=32,505 | 31.3% (9.9–68.2%) n=1,729 |
| Unemployment rate (16+) | 5.8% | 3.9% (0.0–9.8%) n=32,274 | 6.1% (0.8–12.0%) n=1,714 |
| Households without a vehicle | 6.5% | 3.9% (0.0–12.5%) n=32,322 | 4.5% (0.0–12.2%) n=1,708 |
| Broadband subscription | 96.7% | 89.3% (75.1–97.1%) n=32,322 | 93.4% (82.1–98.4%) n=1,708 |
| Housing cost burden (≥30% income) | 33.8% | 23.7% (10.6–40.0%) n=32,322 | 38.6% (24.4–50.5%) n=1,708 |
| Homeownership rate | 52.5% | 78.7% (51.7–94.0%) n=32,322 | 64.1% (31.9–86.4%) n=1,708 |
| Crowded housing (>1 per room) | 7.5% | 1.3% (0.0–6.3%) n=32,322 | 4.8% (0.0–15.9%) n=1,708 |
| Foreign-born population | 37.3% | 2.6% (0.0–18.6%) n=32,553 | 18.9% (3.0–40.4%) n=1,730 |
| Single-parent households | 51.3% | 53.6% (37.3–74.1%) n=32,087 | 48.4% (35.1–72.3%) n=1,692 |
| Population 65+ | 16.3% | 19.4% (10.8–33.6%) n=32,553 | 17.0% (9.7–35.7%) n=1,730 |
| Median age | 38.9 yr | 42.2 yr (33.0–56.3) n=32,292 | 40.1 yr (31.8–57.0) n=1,712 |
| Median household income | $174,917 | $72,070 ($46,039–$118,707) n=30,318 | $93,448 ($54,188–$159,562) n=1,584 |
| Median home value | $1,746,300 | $222,200 ($100,300–$579,820) n=30,049 | $659,800 ($300,520–$1,493,340) n=1,593 |
| Median gross rent | $3,263 | $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 | 83.4 yr ± 0.71 | 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 0.71 years of 83.4, 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