ZIP code
77420
in Boling, TexasPopulation 2,236
50.13/ 100
Ranked #16,060 of 32,066 US ZIPs (bottom 50%)
Ranked #525 of 1,868 Texas ZIPs (top 28%)
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.
Humid extreme heat
154.1 days/year
in the top 3.6% nationally
Lower is healthier
ST82ndUS96thDefinition & 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 ›Uninsured (under 65)
17.1%
in the top 7.5% nationally
Lower is healthier
ST55thUS93rdDefinition & source ›
The estimated share of adults aged 18–64 with no current health-insurance coverage.
Full methodology ›Floodplain exposure
32.9%
in the top 8.8% nationally
Lower is healthier
ST87thUS91stDefinition & 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 ›Radon
0.6 pCi/L
in the bottom 1.4% nationally
Lower is healthier
ST11thUS1stDefinition & 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 ›Dry extreme heat
36.8 days/year
in the top 12.7% nationally
Lower is healthier
ST8thUS87thDefinition & source ›
The average number of days per year with a modeled daily high of at least 95 °F.
Full methodology ›Cross-source signals
Combined exposures in this ZIP
More than one environmental exposure stands out in this ZIP. Each is established independently and shown on its own above; they are grouped here for context — not because one causes the other.
This area ranks among the highest 10% of US ZIP codes for both humid-heat days and flood exposure.
See the full flooding, evacuation & humid-heat analysis →
The read
Overall, Boling, Texas (ZIP 77420) lands in the bottom 50% nationally (16,060th) and the top 28% of Texas (525th).
The signals balance out across the profile, strengths against concerns: households without a vehicle stands at the national minimum, shared with about 16% of ZIPs. Modeled radon lies in the bottom 1.4% nationally. Modeled loud transportation noise lands at the national minimum, shared with about 22% of ZIPs. Set against that, modeled humid heat sits in the top 3.6% nationally, modeled uninsured is in the top 7.5% nationally, and floodplain exposure settles in the top 8.8% nationally. Fiber broadband resides at the national minimum, shared with about 19% of ZIPs. Modeled extreme heat registers in the top 12.7% nationally, outer-floodplain exposure rests in the top 13.8% nationally, and distance to an emergency room stands in the top 15.0% nationally.
A note on the terms: radon is a radioactive soil gas the EPA identifies as the top cause of lung cancer in nonsmokers. Humid heat is a modeled heat-stress measure combining temperature, humidity, sun, and wind to gauge heat on the body outdoors. Floodplain exposure is land with about a 1-in-100 chance of flooding each year, nicknamed the "100-year floodplain". For a healthier nearby comparison, ZIP 77453, less than a tenth of a mile away, ranks better 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
Chronic Disease Burden
healthier than 63%
21%
Environmental Hazard
healthier than 96%
14%
Mental Health
healthier than 74%
8%
About typical
Risk Behavior
healthier than 50%
11%
Disability
healthier than 56%
7%
Holding it back
Social Need / SDOH
healthier than 35%
16%
Preventive Care
healthier than 17%
13%
Climate / Disaster Risk
healthier than 5%
5%
Healthcare Access
healthier than 26%
5%
Lifting this score
Environmental Hazard
healthier than 95%
14%
Risk Behavior
healthier than 70%
11%
Mental Health
healthier than 81%
8%
Disability
healthier than 65%
7%
About typical
Chronic Disease Burden
healthier than 51%
21%
Preventive Care
healthier than 54%
13%
Holding it back
Social Need / SDOH
healthier than 27%
16%
Climate / Disaster Risk
healthier than 22%
5%
Healthcare Access
healthier than 26%
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
77414
Texasshares a border
Score 40.03
Closest healthier
77453
Texasless than 0.1 mi away
Score 52.66
Similar health profile
34758
Florida98% similar profile
Score 50.81
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 | 25.7% | 22.7–28.7 |
| High blood pressure among adults | 36.6% | 32.6–40.6 |
| Cancer (non-skin) or melanoma among adults | 8.0% | 7.3–8.8 |
| Current asthma among adults | 9.6% | 8.5–10.7 |
| Coronary heart disease among adults | 6.7% | 6.0–7.5 |
| Chronic obstructive pulmonary disease among adults | 6.4% | 5.6–7.2 |
| Depression among adults | 20.8% | 17.7–24.1 |
| Diagnosed diabetes among adults | 13.6% | 11.9–15.3 |
| High cholesterol among adults who have ever been screened | 37.9% | 33.7–42.1 |
| Obesity among adults | 37.3% | 29.5–45.6 |
| Stroke among adults | 3.6% | 3.3–3.9 |
| All teeth lost among adults aged >=65 years | 14.2% | 11.9–16.7 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 17.1% | 14.4–19.9 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 78.0% | 75.2–80.5 |
| Visits to doctor for routine checkup within the past year among adults | 75.8% | 71.8–79.3 |
| Cholesterol screening among adults | 87.5% | 85.7–89.2 |
| Colorectal cancer screening among adults aged 45–75 years | 61.0% | 55.8–65.8 |
| Visited dentist or dental clinic in the past year among adults | 53.8% | 50.3–57.5 |
| Mammography use among women aged 50-74 years | 70.8% | 62.6–78.1 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 16.6% | 13.6–19.7 |
| Current cigarette smoking among adults | 11.8% | 10.0–13.8 |
| No leisure-time physical activity among adults | 27.0% | 22.7–31.7 |
| Short sleep duration among adults | 37.8% | 31.1–44.9 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 21.1% | 18.4–24.0 |
| Frequent mental distress among adults | 15.7% | 13.9–17.6 |
| Frequent physical distress among adults | 13.7% | 12.0–15.4 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 13.8% | 12.2–15.6 |
| Any disability among adults | 31.6% | 27.5–36.1 |
| Hearing disability among adults | 7.4% | 6.6–8.3 |
| Independent living disability among adults | 7.8% | 6.8–8.7 |
| Mobility disability among adults | 15.1% | 13.1–17.1 |
| Self-care disability among adults | 4.0% | 3.6–4.4 |
| Vision disability among adults | 5.5% | 5.0–6.1 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | TX median (p10–p90) |
|---|---|---|---|
| Poverty rate | 10.6% | 10.6% (3.1–25.8%) n=32,364 | 12.4% (3.5–26.4%) n=1,869 |
| Uninsured 18–64 | 22.6% | 9.0% (1.5–24.3%) n=32,286 | 22.3% (8.2–41.5%) n=1,862 |
| No HS diploma (25+) | 12.9% | 7.9% (1.8–20.7%) n=32,505 | 12.2% (2.5–30.0%) n=1,881 |
| Bachelor's or higher (25+) | 26.0% | 23.3% (9.2–53.6%) n=32,505 | 21.9% (9.0–51.4%) n=1,881 |
| Unemployment rate (16+) | 4.3% | 3.9% (0.0–9.8%) n=32,274 | 4.2% (0.0–9.4%) n=1,865 |
| Households without a vehicle | 0.0% | 3.9% (0.0–12.5%) n=32,322 | 3.7% (0.0–10.8%) n=1,868 |
| Broadband subscription | 90.2% | 89.3% (75.1–97.1%) n=32,322 | 89.2% (75.0–97.3%) n=1,868 |
| Housing cost burden (≥30% income) | 15.4% | 23.7% (10.6–40.0%) n=32,322 | 26.2% (8.8–40.3%) n=1,868 |
| Homeownership rate | 86.1% | 78.7% (51.7–94.0%) n=32,322 | 75.0% (46.4–92.3%) n=1,868 |
| Crowded housing (>1 per room) | 4.6% | 1.3% (0.0–6.3%) n=32,322 | 3.1% (0.0–9.0%) n=1,868 |
| Foreign-born population | 6.0% | 2.6% (0.0–18.6%) n=32,553 | 8.1% (0.1–26.4%) n=1,886 |
| Single-parent households | 41.5% | 53.6% (37.3–74.1%) n=32,087 | 48.5% (34.3–70.6%) n=1,861 |
| Population 65+ | 12.5% | 19.4% (10.8–33.6%) n=32,553 | 16.1% (8.6–30.1%) n=1,886 |
| Median age | 32.3 yr | 42.2 yr (33.0–56.3) n=32,292 | 38.3 yr (30.9–52.3) n=1,866 |
| Median household income | $67,697 | $72,070 ($46,039–$118,707) n=30,318 | $69,983 ($46,006–$112,413) n=1,737 |
| Median home value | $226,400 | $222,200 ($100,300–$579,820) n=30,049 | $210,500 ($97,060–$429,760) n=1,693 |
| Median gross rent | $840 | $1,021 ($677–$1,912) n=25,670 | $1,154 ($764–$1,815) n=1,508 |
Life expectancyNCHS / RWJF USALEEP · model-based
| Measure | Value | US median (p10–p90) | TX median (p10–p90) |
|---|---|---|---|
| Life expectancy at birth | 78.9 yr ± 1.15 | 78.9 yr (74.7–82.8) n=31,308 | 78.2 yr (75.1–81.7) n=1,772 |
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 1.15 years of 78.9, 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