ZIP code
28515
in Bayboro, North CarolinaPopulation 2,822
42.21/ 100
Ranked #25,039 of 32,066 US ZIPs (bottom 22%)
Ranked #659 of 793 North Carolina ZIPs (bottom 17%)
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.
Lead in tap water
10 ppb
in the top 3.4% nationally
Lower is healthier
US97thDefinition & 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 ›Floodplain exposure
46.8%
in the top 4.6% nationally
Lower is healthier
ST93rdUS95thDefinition & 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 ›Outer-floodplain exposure
6.5%
in the top 5.9% nationally
Lower is healthier
ST96thUS94thDefinition & 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 ›High blood pressure
47.5%
in the top 6.8% nationally
Lower is healthier
ST90thUS93rdDefinition & source ›
The estimated share of adults who have been told by a health professional that they have high blood pressure.
Full methodology ›Median household income
$31,715
in the bottom 2.3% nationally
Higher is healthier
ST1stUS2ndDefinition & source ›
The middle household income in this ZIP — half of households earn more, half earn less — in dollars per year.
Full methodology ›Radon
0.6 pCi/L
in the bottom 0.4% nationally
Lower is healthier
ST1stUS1stDefinition & source ›
The modeled typical indoor radon level for this area, in picocuries per liter — the EPA recommends fixing a home at 4 pCi/L or above.
Modeled from indoor-radon measurements. In Alaska and Hawaii, where those measurements are not published, a US Geological Survey geologic radon-potential category stands in — a coarser input, disclosed rather than hidden.
Full methodology ›Physician access
1.8 per 1,000 residents
in the top 8.4% nationally
Higher is healthier
ST93rdUS92ndDefinition & source ›
The number of physicians’ 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 ›Tooth loss
23.7%
in the top 9.2% nationally
Lower is healthier
ST88thUS91stDefinition & source ›
The estimated share of adults aged 65 and older who have lost all of their natural teeth.
Full methodology ›Stroke
5.4%
in the top 8.9% nationally
Lower is healthier
ST85thUS91stDefinition & source ›
The estimated share of adults who have been told by a health professional that they have had a stroke.
Full methodology ›PFAS in drinking water
13.9%
in the bottom 19% nationally
Lower is healthier
ST7thUS19thDefinition & 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 ›The read
Bayboro, North Carolina (ZIP 28515), overall, ranks in the bottom 22% nationally (25,039th) and the bottom 17% of North Carolina (659th).
This area's measures are easy to read as a mixed set: modeled radon rests in the bottom 0.4% nationally, and physicians registers in the top 8.4% nationally. Distance to a community health center resides at the national minimum, shared with about 23% of ZIPs. Set against that, lead in tap water settles in the top 3.4% nationally, and floodplain exposure is in the top 4.6% nationally. Outer-floodplain exposure sits in the top 5.9% nationally, and modeled high blood pressure lands in the top 6.8% nationally. Household income lies in the bottom 2.3% nationally, and modeled tooth loss stands in the top 9.2% nationally. Modeled stroke rests in the top 8.9% nationally.
Measured against the nearby ZIPs, outer-floodplain exposure runs far higher than the surrounding ZIPs on this measure. Defined simply, lead in tap water is the EPA trigger, 15 parts per billion in tap samples, above which a water system must act on lead. Radon is a radioactive soil gas the EPA identifies as the top cause of lung cancer in nonsmokers. Floodplain exposure is land with about a 1-in-100 chance of flooding each year, nicknamed the "100-year floodplain". ZIP 28529, just across the boundary, comes out 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
Environmental Hazard
healthier than 87%
14%
Healthcare Access
healthier than 68%
5%
About typical
Preventive Care
healthier than 47%
13%
Mental Health
healthier than 51%
8%
Holding it back
Chronic Disease Burden
healthier than 16%
21%
Social Need / SDOH
healthier than 12%
16%
Risk Behavior
healthier than 34%
11%
Disability
healthier than 18%
7%
Climate / Disaster Risk
healthier than 9%
5%
Lifting this score
Environmental Hazard
healthier than 76%
14%
Mental Health
healthier than 74%
8%
Healthcare Access
healthier than 62%
5%
Holding it back
Chronic Disease Burden
healthier than 21%
21%
Social Need / SDOH
healthier than 13%
16%
Preventive Care
healthier than 29%
13%
Risk Behavior
healthier than 12%
11%
Disability
healthier than 24%
7%
Climate / Disaster Risk
healthier than 8%
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 ›
Findings that name this ZIP
One of our published findings lists this ZIP code. Each finding compares one published measure against a stated benchmark, and names only the ZIP codes whose estimates are reliable enough to rank. See all surprising findings.
Clean environment, heavy chronic burden
Where the environment and chronic illness point in opposite directions
Environmental-hazard standing 87.3; chronic-disease standing 15.7 — 72 points apart, cleaner on the environment than it is on chronic illness.
Ranked #974 of the 18,187 ZIP codes this finding names, ordered by the gap from cleanest environment to heaviest chronic burden, highest first.
Nearby & similar ZIPs
Editorially selected — see how this ZIP compares to nearby and similar places.
Nearby
27806
North Carolinashares a border
Score 36.45
Closest healthier
28529
North Carolinashares a border
Score 47.92
Similar health profile
31077
Georgia99% similar profile
Score 41.88
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 | 32.4% | 28.8–36.2 |
| High blood pressure among adults | 47.5% | 42.9–52.1 |
| Cancer (non-skin) or melanoma among adults | 8.0% | 7.2–8.9 |
| Current asthma among adults | 11.1% | 9.8–12.6 |
| Coronary heart disease among adults | 8.9% | 8.0–9.9 |
| Chronic obstructive pulmonary disease among adults | 9.8% | 8.6–11.0 |
| Depression among adults | 22.4% | 18.9–26.2 |
| Diagnosed diabetes among adults | 17.0% | 14.7–19.3 |
| High cholesterol among adults who have ever been screened | 38.2% | 33.6–43.0 |
| Obesity among adults | 41.6% | 32.8–51.0 |
| Stroke among adults | 5.4% | 5.0–5.9 |
| All teeth lost among adults aged >=65 years | 23.7% | 19.8–28.0 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 12.7% | 10.5–15.1 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 79.5% | 76.8–82.2 |
| Visits to doctor for routine checkup within the past year among adults | 81.2% | 77.8–84.4 |
| Cholesterol screening among adults | 87.4% | 85.5–89.1 |
| Colorectal cancer screening among adults aged 45–75 years | 63.5% | 58.2–68.7 |
| Visited dentist or dental clinic in the past year among adults | 54.4% | 50.5–58.3 |
| Mammography use among women aged 50-74 years | 77.1% | 69.6–83.6 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 13.2% | 10.6–16.2 |
| Current cigarette smoking among adults | 19.0% | 16.2–21.8 |
| No leisure-time physical activity among adults | 30.7% | 25.6–35.8 |
| Short sleep duration among adults | 37.9% | 31.1–45.3 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 25.9% | 22.6–29.3 |
| Frequent mental distress among adults | 17.2% | 15.1–19.3 |
| Frequent physical distress among adults | 15.6% | 13.7–17.5 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 16.9% | 14.9–19.1 |
| Any disability among adults | 38.9% | 34.0–43.9 |
| Hearing disability among adults | 8.8% | 7.8–9.9 |
| Independent living disability among adults | 10.6% | 9.3–11.8 |
| Mobility disability among adults | 20.1% | 17.6–22.5 |
| Self-care disability among adults | 6.1% | 5.5–6.6 |
| Vision disability among adults | 7.6% | 6.9–8.3 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 26.7% | 22.8–30.9 |
| Food insecurity in the past 12 months among adults | 21.9% | 19.0–25.3 |
| Received food stamps in the past 12 months among adults | 19.9% | 17.2–23.0 |
| Housing insecurity in the past 12 months among adults | 16.6% | 14.4–19.1 |
| Lack of reliable transportation in the past 12 months among adults | 11.1% | 9.8–12.7 |
| Loneliness among adults | 33.5% | 28.1–39.1 |
| Utility services shut-off threat in the past 12 months among adults | 12.0% | 10.5–13.7 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | NC median (p10–p90) |
|---|---|---|---|
| Poverty rate | 19.4% | 10.6% (3.1–25.8%) n=32,364 | 13.0% (4.4–25.0%) n=793 |
| Uninsured 18–64 | 20.7% | 9.0% (1.5–24.3%) n=32,286 | 14.5% (5.7–24.9%) n=794 |
| No HS diploma (25+) | 9.4% | 7.9% (1.8–20.7%) n=32,505 | 10.4% (3.1–19.8%) n=798 |
| Bachelor's or higher (25+) | 10.3% | 23.3% (9.2–53.6%) n=32,505 | 22.8% (10.7–53.4%) n=798 |
| Unemployment rate (16+) | 2.6% | 3.9% (0.0–9.8%) n=32,274 | 4.2% (0.0–9.1%) n=796 |
| Households without a vehicle | 10.1% | 3.9% (0.0–12.5%) n=32,322 | 3.9% (0.0–10.2%) n=793 |
| Broadband subscription | 81.5% | 89.3% (75.1–97.1%) n=32,322 | 87.6% (76.2–96.3%) n=793 |
| Housing cost burden (≥30% income) | 33.3% | 23.7% (10.6–40.0%) n=32,322 | 24.7% (14.1–36.5%) n=793 |
| Homeownership rate | 71.1% | 78.7% (51.7–94.0%) n=32,322 | 75.0% (52.7–89.7%) n=793 |
| Crowded housing (>1 per room) | 0.0% | 1.3% (0.0–6.3%) n=32,322 | 1.4% (0.0–4.5%) n=793 |
| Foreign-born population | 1.1% | 2.6% (0.0–18.6%) n=32,553 | 4.2% (0.0–12.9%) n=799 |
| Single-parent households | 41.2% | 53.6% (37.3–74.1%) n=32,087 | 51.8% (39.2–70.1%) n=790 |
| Population 65+ | 20.6% | 19.4% (10.8–33.6%) n=32,553 | 19.7% (11.1–31.9%) n=799 |
| Median age | 47.0 yr | 42.2 yr (33.0–56.3) n=32,292 | 42.5 yr (33.3–55.7) n=797 |
| Median household income | $31,715 | $72,070 ($46,039–$118,707) n=30,318 | $65,030 ($44,419–$97,111) n=749 |
| Median home value | $157,700 | $222,200 ($100,300–$579,820) n=30,049 | $223,850 ($113,970–$452,990) n=758 |
| Median gross rent | $591 | $1,021 ($677–$1,912) n=25,670 | $957 ($715–$1,575) n=687 |
Life expectancyNCHS / RWJF USALEEP · model-based
| Measure | Value | US median (p10–p90) | NC median (p10–p90) |
|---|---|---|---|
| Life expectancy at birth | 74.8 yr ± 0.82 | 78.9 yr (74.7–82.8) n=31,308 | 77.3 yr (74.6–80.8) n=747 |
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 0.82 years of 74.8, 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