ZIP code
91950
in National City, CaliforniaPopulation 59,891
51.73/ 100
Ranked #13,797 of 32,066 US ZIPs (top 43%)
Ranked #959 of 1,719 California ZIPs (bottom 44%)
Ranked #95 of 106 San Diego-Chula Vista-Carlsbad, CA ZIPs (bottom 10.4%)
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.
Subsidized affordable housing
1,280 units
in the top 0.9% nationally
Higher is healthier
ST98thUS99thDefinition & source ›
The number of affordable rental units in this ZIP supported by the federal Low-Income Housing Tax Credit program.
Full methodology ›Crowded housing
17%
in the top 1.7% nationally
Lower is healthier
ST92ndUS98thDefinition & source ›
The share of occupied homes with more than one person per room, the Census definition of crowded housing.
Full methodology ›Colon-cancer screening
53%
in the bottom 3.4% nationally
Higher is healthier
ST16thUS3rdDefinition & source ›
The estimated share of adults aged 45–75 who are up to date on colorectal-cancer screening.
Full methodology ›Housing-cost burden
49.3%
in the top 3.4% nationally
Lower is healthier
ST88thUS97thDefinition & source ›
The share of households spending 30% or more of their income on housing.
Full methodology ›Homeownership rate
35.7%
in the bottom 4.3% nationally
Higher is healthier
ST13thUS4thDefinition & source ›
The share of occupied homes that are owned, rather than rented, by the people living in them.
Full methodology ›Lead in tap water
0 ppb
at the national minimum
Lower is healthier
US1stDefinition & source ›
The lead level at the 90th percentile of tap-water samples reported by the public water systems serving this ZIP, in parts per billion — the EPA requires action above 15 ppb.
Measured from EPA records for the public water systems that serve this ZIP. Households on private wells — roughly 30% of the US population — are not covered by this measure, and this figure says nothing about their water.
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 ›Loneliness
39.5%
in the top 5.1% nationally
Lower is healthier
ST80thUS95thDefinition & source ›
The estimated share of adults who report feeling lonely.
Full methodology ›Dental provider access
1 per 1,000 residents
in the top 6.2% nationally
Higher is healthier
ST85thUS94thDefinition & source ›
The number of dental offices located inside this ZIP’s boundary, per 1,000 residents.
Counted from establishments located inside this ZIP’s boundary, so one just across the line is not counted. Where a ZIP has too few residents for the density to be reliable, no value is published rather than an unreliable one.
Full methodology ›Walkability
130 intersections/sq mi
in the top 6.4% nationally
Higher is healthier
ST82ndUS94thDefinition & 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
On the composite measure, National City, California (ZIP 91950) stands in the top 43% healthiest ZIPs nationally (13,797th) and the bottom 44% of California (959th).
A profile of give and take, with clear readings each way: subsidized affordable housing registers in the top 0.9% nationally, and lead in tap water lies at the national minimum. Distance to an emergency room is at the national minimum, shared with about 11% of ZIPs. Dental providers registers in the top 6.2% nationally. On the other side, crowded housing lies in the top 1.7% nationally, modeled colon screening is in the bottom 3.4% nationally, and housing-cost burden registers in the top 3.4% nationally. Homeownership lies in the bottom 4.3% nationally, modeled tree cover is at the national minimum, and modeled loneliness registers in the top 5.1% nationally.
Set beside the wider area around it, outer-floodplain exposure runs far higher than the surrounding ZIPs on this measure. For clarity, lead in tap water is the EPA trigger, 15 parts per billion in tap samples, above which a water system must act on lead. Subsidized affordable housing is the main federal tax-credit program (HUD) funding affordable rental housing, counted as local units it supports. ZIP 91902, just across the boundary, ranks better overall among the ZIPs nearby.
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 Diego-Chula Vista-Carlsbad, 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 87%
21%
Mental Health
healthier than 69%
8%
Climate / Disaster Risk
healthier than 66%
5%
Healthcare Access
in the top 0.00%
5%
About typical
Environmental Hazard
healthier than 51%
14%
Risk Behavior
healthier than 54%
11%
Holding it back
Social Need / SDOH
healthier than 21%
16%
Preventive Care
healthier than 6%
13%
Disability
healthier than 30%
7%
Lifting this score
Chronic Disease Burden
healthier than 63%
21%
Environmental Hazard
healthier than 74%
14%
Mental Health
healthier than 65%
8%
Healthcare Access
in the top 0.00%
5%
About typical
Climate / Disaster Risk
healthier than 48%
5%
Holding it back
Social Need / SDOH
healthier than 27%
16%
Preventive Care
healthier than 19%
13%
Risk Behavior
healthier than 30%
11%
Disability
healthier than 29%
7%
Lifting this score
Mental Health
healthier than 65%
8%
Healthcare Access
in the top 0.00%
5%
About typical
Chronic Disease Burden
healthier than 40%
21%
Environmental Hazard
healthier than 42%
14%
Holding it back
Social Need / SDOH
healthier than 9%
16%
Preventive Care
healthier than 12%
13%
Risk Behavior
healthier than 11%
11%
Disability
healthier than 7%
7%
Climate / Disaster Risk
healthier than 13%
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
91902
Californiashares a border
Score 65.50
Closest healthier
91910
Californiashares a border
Score 57.51
Similar health profile
91340
California99% similar profile
Score 49.64
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 | 19.1% | 17.4–21.0 |
| High blood pressure among adults | 30.8% | 28.5–33.4 |
| Cancer (non-skin) or melanoma among adults | 4.9% | 4.5–5.4 |
| Current asthma among adults | 8.6% | 7.8–9.7 |
| Coronary heart disease among adults | 5.9% | 5.3–6.5 |
| Chronic obstructive pulmonary disease among adults | 5.1% | 4.6–5.7 |
| Depression among adults | 19.2% | 17.2–21.6 |
| Diagnosed diabetes among adults | 14.1% | 12.7–15.7 |
| High cholesterol among adults who have ever been screened | 35.0% | 32.5–37.8 |
| Obesity among adults | 28.3% | 25.1–32.1 |
| Stroke among adults | 3.4% | 3.2–3.7 |
| All teeth lost among adults aged >=65 years | 14.6% | 12.1–17.2 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 16.8% | 14.9–18.8 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 68.8% | 66.0–71.6 |
| Visits to doctor for routine checkup within the past year among adults | 71.4% | 68.6–74.3 |
| Cholesterol screening among adults | 82.6% | 80.8–84.5 |
| Colorectal cancer screening among adults aged 45–75 years | 53.0% | 48.8–57.0 |
| Visited dentist or dental clinic in the past year among adults | 52.8% | 49.7–55.7 |
| Mammography use among women aged 50-74 years | 73.9% | 67.4–79.4 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 14.2% | 12.4–16.3 |
| Current cigarette smoking among adults | 12.0% | 10.6–13.6 |
| No leisure-time physical activity among adults | 30.9% | 28.0–34.3 |
| Short sleep duration among adults | 37.9% | 34.3–41.5 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 27.8% | 25.6–30.5 |
| Frequent mental distress among adults | 17.4% | 15.8–19.2 |
| Frequent physical distress among adults | 15.0% | 13.6–16.6 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 17.4% | 15.8–19.2 |
| Any disability among adults | 33.6% | 30.9–36.8 |
| Hearing disability among adults | 6.2% | 5.6–6.9 |
| Independent living disability among adults | 9.7% | 8.8–10.8 |
| Mobility disability among adults | 16.3% | 14.8–18.1 |
| Self-care disability among adults | 5.1% | 4.7–5.5 |
| Vision disability among adults | 8.3% | 7.7–9.0 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 34.0% | 30.9–37.3 |
| Food insecurity in the past 12 months among adults | 27.8% | 25.0–30.7 |
| Received food stamps in the past 12 months among adults | 24.5% | 22.0–27.3 |
| Housing insecurity in the past 12 months among adults | 22.1% | 19.8–24.6 |
| Lack of reliable transportation in the past 12 months among adults | 13.2% | 11.8–14.7 |
| Loneliness among adults | 39.5% | 36.1–43.0 |
| Utility services shut-off threat in the past 12 months among adults | 10.1% | 8.9–11.4 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | CA median (p10–p90) |
|---|---|---|---|
| Poverty rate | 14.9% | 10.6% (3.1–25.8%) n=32,364 | 10.6% (4.1–24.9%) n=1,714 |
| Uninsured 18–64 | 18.0% | 9.0% (1.5–24.3%) n=32,286 | 7.7% (1.7–17.9%) n=1,704 |
| No HS diploma (25+) | 22.7% | 7.9% (1.8–20.7%) n=32,505 | 9.8% (1.4–30.9%) n=1,729 |
| Bachelor's or higher (25+) | 18.0% | 23.3% (9.2–53.6%) n=32,505 | 31.3% (9.9–68.2%) n=1,729 |
| Unemployment rate (16+) | 6.9% | 3.9% (0.0–9.8%) n=32,274 | 6.1% (0.8–12.0%) n=1,714 |
| Households without a vehicle | 10.8% | 3.9% (0.0–12.5%) n=32,322 | 4.5% (0.0–12.2%) n=1,708 |
| Broadband subscription | 88.0% | 89.3% (75.1–97.1%) n=32,322 | 93.4% (82.1–98.4%) n=1,708 |
| Housing cost burden (≥30% income) | 49.3% | 23.7% (10.6–40.0%) n=32,322 | 38.6% (24.4–50.5%) n=1,708 |
| Homeownership rate | 35.7% | 78.7% (51.7–94.0%) n=32,322 | 64.1% (31.9–86.4%) n=1,708 |
| Crowded housing (>1 per room) | 17.0% | 1.3% (0.0–6.3%) n=32,322 | 4.8% (0.0–15.9%) n=1,708 |
| Foreign-born population | 36.1% | 2.6% (0.0–18.6%) n=32,553 | 18.9% (3.0–40.4%) n=1,730 |
| Single-parent households | 38.6% | 53.6% (37.3–74.1%) n=32,087 | 48.4% (35.1–72.3%) n=1,692 |
| Population 65+ | 15.2% | 19.4% (10.8–33.6%) n=32,553 | 17.0% (9.7–35.7%) n=1,730 |
| Median age | 35.9 yr | 42.2 yr (33.0–56.3) n=32,292 | 40.1 yr (31.8–57.0) n=1,712 |
| Median household income | $66,426 | $72,070 ($46,039–$118,707) n=30,318 | $93,448 ($54,188–$159,562) n=1,584 |
| Median home value | $612,200 | $222,200 ($100,300–$579,820) n=30,049 | $659,800 ($300,520–$1,493,340) n=1,593 |
| Median gross rent | $1,670 | $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 | 79.4 yr ± 0.57 | 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 0.57 years of 79.4, 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