ZIP code
27545
in Knightdale, North CarolinaPopulation 34,163
55.44/ 100
Ranked #8,938 of 32,066 US ZIPs (top 28%)
Ranked #203 of 793 North Carolina ZIPs (top 26%)
Ranked #33 of 48 Raleigh-Cary, NC ZIPs (bottom 31%)
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
66%
in the top 5.7% nationally
Lower is healthier
ST90thUS94thDefinition & 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 ›Subsidized affordable housing
272 units
in the top 9.1% nationally
Higher is healthier
ST87thUS91stDefinition & source ›
The number of affordable rental units in this ZIP supported by the federal Low-Income Housing Tax Credit program.
Full methodology ›Hearing disability
5.4%
in the bottom 10.0% nationally
Lower is healthier
ST7thUS10thDefinition & source ›
The estimated share of adults who are deaf or have serious difficulty hearing.
Full methodology ›Coronary heart disease
5.0%
in the bottom 9.7% nationally
Lower is healthier
ST9thUS10thDefinition & source ›
The estimated share of adults who have been told by a health professional that they have coronary heart disease or angina.
Full methodology ›High cholesterol
33.1%
in the bottom 9.8% nationally
Lower is healthier
ST10thUS10thDefinition & source ›
The estimated share of adults with high cholesterol, among those who have ever been screened for it.
Full methodology ›Crowded housing
4.6%
in the top 15% nationally
Lower is healthier
ST90thUS85thDefinition & source ›
The share of occupied homes with more than one person per room, the Census definition of crowded housing.
Full methodology ›Dry extreme heat
10.2 days/year
in the top 35% nationally
Lower is healthier
ST96thUS65thDefinition & source ›
The average number of days per year with a modeled daily high of at least 95 °F.
Full methodology ›The read
By the composite measure, Knightdale, North Carolina (ZIP 27545) sits in the top 28% healthiest ZIPs nationally (8,938th) and the top 26% of North Carolina (203rd).
Where this area does well, the measures make it plain: subsidized affordable housing settles in the top 9.1% nationally, modeled hearing disability stands in the bottom 10.0% nationally, and modeled coronary heart disease is in the bottom 9.7% nationally. Distance to a nursing home rests at the national minimum, shared with about 27% of ZIPs. Modeled high cholesterol sits in the bottom 9.8% nationally, and energy burden registers in the bottom 14.0% nationally. Home broadband subscription lands in the top 18% nationally. Against that, modeled pfas resides in the top 5.7% nationally, and crowded housing lies in the top 15% nationally. Modeled housing insecurity settles in the top 19% nationally.
Compared with the ZIPs that surround it, park land runs far lower than the surrounding ZIPs on this measure. In plain language, 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. Subsidized affordable housing is the main federal tax-credit program (HUD) funding affordable rental housing, counted as local units it supports. Energy burden is the share of household income that goes to home energy bills. ZIP 27591, 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. Compare it against the US, this state and the Raleigh-Cary, NC 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 76%
21%
Social Need / SDOH
healthier than 65%
16%
Risk Behavior
healthier than 74%
11%
Disability
healthier than 64%
7%
About typical
Preventive Care
healthier than 46%
13%
Mental Health
healthier than 40%
8%
Climate / Disaster Risk
healthier than 44%
5%
Healthcare Access
healthier than 57%
5%
Holding it back
Environmental Hazard
healthier than 40%
14%
Lifting this score
Chronic Disease Burden
healthier than 86%
21%
Social Need / SDOH
healthier than 64%
16%
Risk Behavior
healthier than 65%
11%
Disability
healthier than 78%
7%
About typical
Mental Health
healthier than 57%
8%
Climate / Disaster Risk
healthier than 58%
5%
Healthcare Access
healthier than 48%
5%
Holding it back
Environmental Hazard
healthier than 23%
14%
Preventive Care
healthier than 28%
13%
Lifting this score
Climate / Disaster Risk
healthier than 74%
5%
About typical
Mental Health
healthier than 40%
8%
Holding it back
Chronic Disease Burden
healthier than 34%
21%
Social Need / SDOH
healthier than 30%
16%
Environmental Hazard
healthier than 21%
14%
Preventive Care
healthier than 30%
13%
Risk Behavior
healthier than 34%
11%
Disability
healthier than 30%
7%
Healthcare Access
healthier than 36%
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
27591
North Carolinashares a border
Score 57.10
Closest healthier
27616
North Carolinashares a border
Score 60.15
Similar health profile
28806
North Carolina97% similar profile
Score 57.32
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 | 22.6% | 20.1–25.1 |
| High blood pressure among adults | 35.9% | 32.6–39.3 |
| Cancer (non-skin) or melanoma among adults | 5.7% | 5.2–6.3 |
| Current asthma among adults | 11.4% | 10.1–12.8 |
| Coronary heart disease among adults | 5.0% | 4.5–5.5 |
| Chronic obstructive pulmonary disease among adults | 5.8% | 5.1–6.5 |
| Depression among adults | 23.8% | 20.9–27.1 |
| Diagnosed diabetes among adults | 11.6% | 10.1–13.1 |
| High cholesterol among adults who have ever been screened | 33.1% | 29.8–36.6 |
| Obesity among adults | 35.3% | 30.6–40.4 |
| Stroke among adults | 3.2% | 2.9–3.4 |
| All teeth lost among adults aged >=65 years | 14.9% | 12.2–17.9 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 11.7% | 10.1–13.4 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 73.6% | 70.5–76.6 |
| Visits to doctor for routine checkup within the past year among adults | 80.1% | 77.2–82.9 |
| Cholesterol screening among adults | 87.5% | 85.8–89.0 |
| Colorectal cancer screening among adults aged 45–75 years | 63.0% | 58.5–67.3 |
| Visited dentist or dental clinic in the past year among adults | 62.6% | 59.4–65.8 |
| Mammography use among women aged 50-74 years | 77.7% | 71.3–83.3 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 13.7% | 11.5–16.1 |
| Current cigarette smoking among adults | 13.3% | 11.5–15.2 |
| No leisure-time physical activity among adults | 23.5% | 20.2–27.0 |
| Short sleep duration among adults | 36.4% | 32.1–40.8 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 18.9% | 16.7–21.2 |
| Frequent mental distress among adults | 17.4% | 15.5–19.4 |
| Frequent physical distress among adults | 11.5% | 10.2–12.9 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 15.3% | 13.5–17.1 |
| Any disability among adults | 29.1% | 25.8–32.6 |
| Hearing disability among adults | 5.4% | 4.8–6.1 |
| Independent living disability among adults | 8.1% | 7.2–9.0 |
| Mobility disability among adults | 12.8% | 11.3–14.4 |
| Self-care disability among adults | 4.0% | 3.6–4.4 |
| Vision disability among adults | 5.4% | 4.9–5.9 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 24.4% | 21.4–27.8 |
| Food insecurity in the past 12 months among adults | 18.1% | 15.8–20.5 |
| Received food stamps in the past 12 months among adults | 14.9% | 12.9–17.1 |
| Housing insecurity in the past 12 months among adults | 15.4% | 13.5–17.6 |
| Lack of reliable transportation in the past 12 months among adults | 9.8% | 8.7–11.0 |
| Loneliness among adults | 34.5% | 30.5–38.8 |
| Utility services shut-off threat in the past 12 months among adults | 10.2% | 8.9–11.7 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | NC median (p10–p90) |
|---|---|---|---|
| Poverty rate | 10.7% | 10.6% (3.1–25.8%) n=32,364 | 13.0% (4.4–25.0%) n=793 |
| Uninsured 18–64 | 16.5% | 9.0% (1.5–24.3%) n=32,286 | 14.5% (5.7–24.9%) n=794 |
| No HS diploma (25+) | 10.8% | 7.9% (1.8–20.7%) n=32,505 | 10.4% (3.1–19.8%) n=798 |
| Bachelor's or higher (25+) | 40.2% | 23.3% (9.2–53.6%) n=32,505 | 22.8% (10.7–53.4%) n=798 |
| Unemployment rate (16+) | 5.1% | 3.9% (0.0–9.8%) n=32,274 | 4.2% (0.0–9.1%) n=796 |
| Households without a vehicle | 5.1% | 3.9% (0.0–12.5%) n=32,322 | 3.9% (0.0–10.2%) n=793 |
| Broadband subscription | 95.3% | 89.3% (75.1–97.1%) n=32,322 | 87.6% (76.2–96.3%) n=793 |
| Housing cost burden (≥30% income) | 26.0% | 23.7% (10.6–40.0%) n=32,322 | 24.7% (14.1–36.5%) n=793 |
| Homeownership rate | 70.5% | 78.7% (51.7–94.0%) n=32,322 | 75.0% (52.7–89.7%) n=793 |
| Crowded housing (>1 per room) | 4.6% | 1.3% (0.0–6.3%) n=32,322 | 1.4% (0.0–4.5%) n=793 |
| Foreign-born population | 18.2% | 2.6% (0.0–18.6%) n=32,553 | 4.2% (0.0–12.9%) n=799 |
| Single-parent households | 36.2% | 53.6% (37.3–74.1%) n=32,087 | 51.8% (39.2–70.1%) n=790 |
| Population 65+ | 9.9% | 19.4% (10.8–33.6%) n=32,553 | 19.7% (11.1–31.9%) n=799 |
| Median age | 33.8 yr | 42.2 yr (33.0–56.3) n=32,292 | 42.5 yr (33.3–55.7) n=797 |
| Median household income | $91,527 | $72,070 ($46,039–$118,707) n=30,318 | $65,030 ($44,419–$97,111) n=749 |
| Median home value | $346,900 | $222,200 ($100,300–$579,820) n=30,049 | $223,850 ($113,970–$452,990) n=758 |
| Median gross rent | $1,652 | $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 | 79.5 yr ± 0.87 | 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 0.87 years of 79.5, 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