ZIP code
77378
in Willis, TexasPopulation 17,629
45.08/ 100
Ranked #22,323 of 32,066 US ZIPs (bottom 30%)
Ranked #964 of 1,868 Texas ZIPs (bottom 48%)
Ranked #139 of 237 Houston-Pasadena-The Woodlands, TX ZIPs (bottom 41%)
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.
Uninsured (under 65)
20.5%
in the top 4.1% nationally
Lower is healthier
ST69thUS96thDefinition & source ›
The estimated share of adults aged 18–64 with no current health-insurance coverage.
Full methodology ›Humid extreme heat
156.5 days/year
in the top 3.1% nationally
Lower is healthier
ST89thUS97thDefinition & 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 ›Air-toxics cancer risk
40 per million
in the top 4.5% nationally
Lower is healthier
ST92ndUS96thDefinition & source ›
The EPA’s modeled estimate of added lifetime cancer risk from breathing outdoor air toxics, in cases per million people exposed over a lifetime.
Full methodology ›Crowded housing
8.5%
in the top 6.1% nationally
Lower is healthier
ST88thUS94thDefinition & source ›
The share of occupied homes with more than one person per room, the Census definition of crowded housing.
Full methodology ›Dry extreme heat
52 days/year
in the top 8.8% nationally
Lower is healthier
ST22ndUS91stDefinition & source ›
The average number of days per year with a modeled daily high of at least 95 °F.
Full methodology ›Industrial-pollution burden
in the top 8.9% nationally
Lower is healthier
ST85thUS91stDefinition & source ›
The EPA’s modeled screening score for industrial chemical releases, weighting the amounts released by their toxicity and how many people live nearby — a relative comparison score, not a measured exposure.
Full methodology ›Expected annual disaster loss
$0
in the top 9.1% nationally
Lower is healthier
ST80thUS91stDefinition & 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 ›Tree cover
45.6%
in the top 25% nationally
Higher is healthier
ST96thUS75thDefinition & source ›
The share of this ZIP’s land area covered by forest.
Full methodology ›The read
On balance, and by the composite measure, ZIP 77378, one of several in Willis, Texas ranks in the bottom 30% nationally (22,323rd) and the bottom 48% of Texas (964th).
The measures split the difference for this area: modeled arsenic is in the bottom 11.4% nationally. Distance to a nursing home stands at the national minimum, shared with about 27% of ZIPs. Against that, modeled uninsured settles in the top 4.1% nationally, humid heat lies in the top 3.1% nationally, and air-toxics cancer risk resides in the top 4.5% nationally. Crowded housing lands in the top 6.1% nationally, modeled extreme heat registers in the top 8.8% nationally, and modeled industrial-pollution burden sits in the top 8.9% nationally. Modeled expected annual loss rests in the top 9.1% nationally, and colon screening is in the bottom 10.3% nationally.
In plainer terms, air-toxics cancer risk is a modeled EPA estimate of added lifetime cancer risk from breathing outdoor air, per million people. Industrial-pollution burden is the EPA's modeled screening score weighting industrial chemical releases by their toxicity and how many people live nearby. Expected annual loss is FEMA's modeled estimate, in dollars, of average yearly harm to people from natural hazards. For a healthier nearby ZIP overall, look to ZIP 77304, 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 Houston-Pasadena-The Woodlands, TX 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 67%
21%
Healthcare Access
healthier than 75%
5%
About typical
Social Need / SDOH
healthier than 50%
16%
Holding it back
Environmental Hazard
healthier than 35%
14%
Preventive Care
healthier than 8%
13%
Risk Behavior
healthier than 15%
11%
Mental Health
healthier than 31%
8%
Disability
healthier than 36%
7%
Climate / Disaster Risk
healthier than 16%
5%
Lifting this score
Climate / Disaster Risk
healthier than 85%
5%
Healthcare Access
healthier than 69%
5%
About typical
Chronic Disease Burden
healthier than 56%
21%
Social Need / SDOH
healthier than 46%
16%
Disability
healthier than 45%
7%
Holding it back
Environmental Hazard
healthier than 21%
14%
Preventive Care
healthier than 28%
13%
Risk Behavior
healthier than 23%
11%
Mental Health
healthier than 22%
8%
Lifting this score
Climate / Disaster Risk
healthier than 76%
5%
About typical
Environmental Hazard
healthier than 53%
14%
Preventive Care
healthier than 41%
13%
Disability
healthier than 41%
7%
Healthcare Access
healthier than 48%
5%
Holding it back
Chronic Disease Burden
healthier than 38%
21%
Social Need / SDOH
healthier than 34%
16%
Risk Behavior
healthier than 29%
11%
Mental Health
healthier than 11%
8%
“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
3 of our published findings list 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.
Below what income predicts
The ZIP codes that outlive their incomes
Estimated life expectancy is 75.0 ± 1.3 years. A median household income of $71,143 predicts 78.7 years — 3.7 years below.
Ranked #4,862 of the 5,842 ZIP codes this finding names, ordered by years above what income predicts, highest first.
Below its nearby ZIPs
The ZIP codes that outlive their neighbors
Estimated life expectancy is 75.0 ± 1.3 years. The 46 nearest ZIP codes with estimates average 77.5 years — 2.5 years below them.
Ranked #1,941 of the 3,687 ZIP codes this finding names, ordered by years above the nearby-ZIP average, highest first.
Highest-risk tenth
Air toxics and the years between the two ends of the risk scale
Modeled air-toxics cancer risk is 40.0 cases per million — among the tenth of compared ZIP codes with the most. Estimated life expectancy is 75.0 ± 1.3 years.
Ranked #504 of the 4,173 ZIP codes this finding names, ordered by modeled air-toxics risk, highest first.
Nearby & similar ZIPs
Editorially selected — see how this ZIP compares to nearby and similar places.
Nearby
77303
Texasshares a border
Score 41.90
Closest healthier
77304
Texasshares a border
Score 53.57
Similar health profile
77090
Texas98% similar profile
Score 46.04
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 | 24.4% | 21.7–26.9 |
| High blood pressure among adults | 34.3% | 30.7–37.7 |
| Cancer (non-skin) or melanoma among adults | 6.5% | 5.9–7.1 |
| Current asthma among adults | 10.3% | 9.2–11.5 |
| Coronary heart disease among adults | 6.2% | 5.6–6.8 |
| Chronic obstructive pulmonary disease among adults | 7.3% | 6.6–8.1 |
| Depression among adults | 23.1% | 20.0–26.2 |
| Diagnosed diabetes among adults | 13.3% | 11.7–14.9 |
| High cholesterol among adults who have ever been screened | 36.8% | 33.0–40.5 |
| Obesity among adults | 35.7% | 29.4–42.1 |
| Stroke among adults | 3.5% | 3.2–3.8 |
| All teeth lost among adults aged >=65 years | 15.9% | 13.4–18.3 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 20.5% | 18.1–22.9 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 74.5% | 71.6–76.9 |
| Visits to doctor for routine checkup within the past year among adults | 72.4% | 68.6–75.7 |
| Cholesterol screening among adults | 83.4% | 81.5–85.0 |
| Colorectal cancer screening among adults aged 45–75 years | 58.5% | 54.5–62.2 |
| Visited dentist or dental clinic in the past year among adults | 50.9% | 47.8–53.8 |
| Mammography use among women aged 50-74 years | 73.4% | 67.2–78.6 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 17.6% | 14.8–20.6 |
| Current cigarette smoking among adults | 15.9% | 13.9–18.0 |
| No leisure-time physical activity among adults | 29.6% | 25.6–33.7 |
| Short sleep duration among adults | 40.8% | 36.7–44.8 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 24.1% | 21.5–26.7 |
| Frequent mental distress among adults | 19.0% | 17.1–21.0 |
| Frequent physical distress among adults | 14.9% | 13.3–16.5 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 17.3% | 15.6–19.1 |
| Any disability among adults | 33.5% | 29.6–37.2 |
| Hearing disability among adults | 6.9% | 6.2–7.7 |
| Independent living disability among adults | 9.7% | 8.8–10.7 |
| Mobility disability among adults | 15.5% | 13.8–17.3 |
| Self-care disability among adults | 4.6% | 4.2–5.0 |
| Vision disability among adults | 6.6% | 6.0–7.1 |
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 | 30.3% | 9.0% (1.5–24.3%) n=32,286 | 22.3% (8.2–41.5%) n=1,862 |
| No HS diploma (25+) | 18.7% | 7.9% (1.8–20.7%) n=32,505 | 12.2% (2.5–30.0%) n=1,881 |
| Bachelor's or higher (25+) | 18.4% | 23.3% (9.2–53.6%) n=32,505 | 21.9% (9.0–51.4%) n=1,881 |
| Unemployment rate (16+) | 6.7% | 3.9% (0.0–9.8%) n=32,274 | 4.2% (0.0–9.4%) n=1,865 |
| Households without a vehicle | 6.2% | 3.9% (0.0–12.5%) n=32,322 | 3.7% (0.0–10.8%) n=1,868 |
| Broadband subscription | 90.6% | 89.3% (75.1–97.1%) n=32,322 | 89.2% (75.0–97.3%) n=1,868 |
| Housing cost burden (≥30% income) | 28.7% | 23.7% (10.6–40.0%) n=32,322 | 26.2% (8.8–40.3%) n=1,868 |
| Homeownership rate | 74.5% | 78.7% (51.7–94.0%) n=32,322 | 75.0% (46.4–92.3%) n=1,868 |
| Crowded housing (>1 per room) | 8.5% | 1.3% (0.0–6.3%) n=32,322 | 3.1% (0.0–9.0%) n=1,868 |
| Foreign-born population | 13.0% | 2.6% (0.0–18.6%) n=32,553 | 8.1% (0.1–26.4%) n=1,886 |
| Single-parent households | 46.7% | 53.6% (37.3–74.1%) n=32,087 | 48.5% (34.3–70.6%) n=1,861 |
| Population 65+ | 13.5% | 19.4% (10.8–33.6%) n=32,553 | 16.1% (8.6–30.1%) n=1,886 |
| Median age | 35.1 yr | 42.2 yr (33.0–56.3) n=32,292 | 38.3 yr (30.9–52.3) n=1,866 |
| Median household income | $71,143 | $72,070 ($46,039–$118,707) n=30,318 | $69,983 ($46,006–$112,413) n=1,737 |
| Median home value | $199,800 | $222,200 ($100,300–$579,820) n=30,049 | $210,500 ($97,060–$429,760) n=1,693 |
| Median gross rent | $1,532 | $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 | 75.0 yr ± 0.65 | 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 0.65 years of 75.0, 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