ZIP code
37377
in Signal Mountain, TennesseePopulation 17,188
61.02/ 100
Ranked #4,115 of 32,066 US ZIPs (top 12.9%)
Ranked #19 of 616 Tennessee ZIPs (top 3.1%)
Ranked #4 of 45 Chattanooga, TN-GA ZIPs (top 8.9%)
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.
Fiber broadband
99.9%
in the top 2.2% nationally
Higher is healthier
ST89thUS98thDefinition & source ›
The share of homes where fiber-optic internet service is available.
Full methodology ›Tree cover
81.1%
in the top 4.5% nationally
Higher is healthier
ST92ndUS96thDefinition & source ›
The share of this ZIP’s land area covered by forest.
Full methodology ›Fatal road crashes
1.7 per 100,000 residents per year
in the bottom 6.1% nationally
Lower is healthier
ST2ndUS6thDefinition & source ›
The annual rate of fatal road crashes per 100,000 residents, pooled over a ten-year window.
A rate per resident population. Where a ZIP has too few residents for the rate to be reliable — about 30% of US ZIPs — no value is published rather than an unstable one; those ZIPs are absent from this comparison, not counted as crash-free.
Full methodology ›Median household income
$119,636
in the top 9.8% nationally
Higher is healthier
ST96thUS90thDefinition & source ›
The middle household income in this ZIP — half of households earn more, half earn less — in dollars per year.
Full methodology ›Floodplain exposure
0.92%
in the bottom 11.9% nationally
Lower is healthier
ST9thUS12thDefinition & 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 ›Energy-cost burden
1.8%
in the bottom 9.9% nationally
Lower is healthier
ST6thUS10thDefinition & source ›
The modeled share of household income spent on home energy bills — electricity, gas, and heating fuels.
A modeled share of household income spent on home energy. Estimates that hit the model’s 100% ceiling are suppressed rather than published, because at that point the figure reflects the model’s limit rather than a measured burden.
Full methodology ›Self-care disability
2.7%
in the bottom 10.1% nationally
Lower is healthier
ST6thUS10thDefinition & source ›
The estimated share of adults with difficulty dressing or bathing.
Full methodology ›Colon-cancer screening
71.7%
in the top 11.9% nationally
Higher is healthier
ST98thUS88thDefinition & source ›
The estimated share of adults aged 45–75 who are up to date on colorectal-cancer screening.
Full methodology ›Independent-living disability
6.3%
in the bottom 12.2% nationally
Lower is healthier
ST3rdUS12thDefinition & source ›
The estimated share of adults who have difficulty doing errands alone, such as visiting a doctor’s office, because of a physical, mental, or emotional condition.
Full methodology ›Obesity
29.7%
in the bottom 16% nationally
Lower is healthier
ST4thUS16thDefinition & source ›
The estimated share of adults with obesity, defined as a body-mass index of 30 or higher.
Full methodology ›The read
Signal Mountain, Tennessee (ZIP 37377), by its overall standing, sits in the top 12.9% healthiest ZIPs nationally (4,115th) and the top 3.1% of Tennessee (19th).
The measures fall on both sides of the ledger for this area: fiber broadband lies in the top 2.2% nationally, modeled tree cover sits in the top 4.5% nationally, and fatal road crashes settles in the bottom 6.1% nationally. Household income registers in the top 9.8% nationally. Modeled loud transportation noise stands at the national minimum, shared with about 22% of ZIPs. Floodplain exposure lands in the bottom 11.9% nationally, and modeled energy burden is in the bottom 9.9% nationally. Distance to a nursing home resides at the national minimum, shared with about 27% of ZIPs. Modeled self-care disability rests in the bottom 10.1% nationally. Set against that, modeled expected annual loss lies in the top 11.1% nationally.
Held up against its neighbors, park land runs far higher than the surrounding ZIPs on this measure. Defined in plain terms, expected annual loss is FEMA's modeled estimate, in dollars, of average yearly harm to people from natural hazards. Loud transportation noise is the modeled share of an area exposed to road, rail, and air noise at or above 65 decibels, near conversation volume. Floodplain exposure is land with about a 1-in-100 chance of flooding each year, nicknamed the "100-year floodplain". The nearest ZIP ranking healthier overall is ZIP 37350, about 6.4 miles away.
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 Chattanooga, TN-GA 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 65%
21%
Social Need / SDOH
healthier than 88%
16%
Environmental Hazard
healthier than 67%
14%
Preventive Care
healthier than 91%
13%
Risk Behavior
healthier than 91%
11%
Disability
healthier than 82%
7%
Climate / Disaster Risk
healthier than 64%
5%
About typical
Mental Health
healthier than 54%
8%
Healthcare Access
healthier than 51%
5%
Nothing measured is holding this score back.
Lifting this score
Chronic Disease Burden
healthier than 86%
21%
Social Need / SDOH
healthier than 95%
16%
Environmental Hazard
healthier than 63%
14%
Preventive Care
healthier than 98%
13%
Risk Behavior
healthier than 98%
11%
Mental Health
healthier than 98%
8%
Disability
healthier than 95%
7%
Climate / Disaster Risk
healthier than 93%
5%
About typical
Healthcare Access
healthier than 49%
5%
Nothing measured is holding this score back.
Lifting this score
Chronic Disease Burden
healthier than 75%
21%
Social Need / SDOH
healthier than 93%
16%
Environmental Hazard
healthier than 93%
14%
Preventive Care
healthier than 98%
13%
Risk Behavior
healthier than 98%
11%
Mental Health
healthier than 86%
8%
Disability
healthier than 93%
7%
Climate / Disaster Risk
healthier than 98%
5%
Holding it back
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 ›
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.
Above its nearby ZIPs
The ZIP codes that outlive their neighbors
Estimated life expectancy is 81.4 ± 1.3 years. The 49 nearest ZIP codes with estimates average 75.4 years — 6.0 years above them.
Ranked #44 of the 3,687 ZIP codes this finding names, ordered by years above the nearby-ZIP average, highest first.
Nearby & similar ZIPs
Editorially selected — see how this ZIP compares to nearby and similar places.
Nearby
37327
Tennesseeshares a border
Score 36.62
Closest healthier
37350
Tennesseeabout 6.4 mi away
Score 69.80
Similar health profile
22840
Virginia99% similar profile
Score 58.83
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 | 31.1% | 28.3–33.8 |
| High blood pressure among adults | 37.0% | 34.0–40.0 |
| Cancer (non-skin) or melanoma among adults | 11.0% | 10.1–12.0 |
| Current asthma among adults | 10.1% | 9.0–11.2 |
| Coronary heart disease among adults | 6.6% | 6.0–7.2 |
| Chronic obstructive pulmonary disease among adults | 6.5% | 5.8–7.3 |
| Depression among adults | 25.6% | 22.9–28.5 |
| Diagnosed diabetes among adults | 10.8% | 9.6–12.1 |
| High cholesterol among adults who have ever been screened | 39.2% | 36.0–42.4 |
| Obesity among adults | 29.7% | 26.0–33.7 |
| Stroke among adults | 3.1% | 2.8–3.4 |
| All teeth lost among adults aged >=65 years | 9.6% | 8.0–11.4 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 6.6% | 5.6–7.7 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 78.3% | 75.8–80.8 |
| Visits to doctor for routine checkup within the past year among adults | 80.1% | 77.5–82.5 |
| Cholesterol screening among adults | 91.3% | 90.2–92.3 |
| Colorectal cancer screening among adults aged 45–75 years | 71.7% | 67.9–75.2 |
| Visited dentist or dental clinic in the past year among adults | 71.1% | 68.4–73.7 |
| Mammography use among women aged 50-74 years | 79.2% | 73.5–83.8 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 15.0% | 12.9–17.3 |
| Current cigarette smoking among adults | 11.2% | 9.7–12.9 |
| No leisure-time physical activity among adults | 17.1% | 14.9–19.6 |
| Short sleep duration among adults | 32.5% | 28.5–36.6 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 15.2% | 13.6–17.1 |
| Frequent mental distress among adults | 14.6% | 13.1–16.2 |
| Frequent physical distress among adults | 11.8% | 10.6–13.1 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 12.1% | 10.8–13.5 |
| Any disability among adults | 27.4% | 24.6–30.4 |
| Hearing disability among adults | 7.5% | 6.8–8.3 |
| Independent living disability among adults | 6.3% | 5.6–7.0 |
| Mobility disability among adults | 12.1% | 10.7–13.6 |
| Self-care disability among adults | 2.7% | 2.5–3.0 |
| Vision disability among adults | 3.5% | 3.2–3.8 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | TN median (p10–p90) |
|---|---|---|---|
| Poverty rate | 5.2% | 10.6% (3.1–25.8%) n=32,364 | 13.8% (5.1–26.1%) n=609 |
| Uninsured 18–64 | 8.6% | 9.0% (1.5–24.3%) n=32,286 | 14.0% (5.9–24.0%) n=615 |
| No HS diploma (25+) | 4.3% | 7.9% (1.8–20.7%) n=32,505 | 11.6% (4.2–19.5%) n=613 |
| Bachelor's or higher (25+) | 59.0% | 23.3% (9.2–53.6%) n=32,505 | 19.0% (10.0–42.6%) n=613 |
| Unemployment rate (16+) | 2.8% | 3.9% (0.0–9.8%) n=32,274 | 4.0% (0.4–9.6%) n=613 |
| Households without a vehicle | 1.7% | 3.9% (0.0–12.5%) n=32,322 | 3.9% (0.3–10.1%) n=608 |
| Broadband subscription | 91.7% | 89.3% (75.1–97.1%) n=32,322 | 86.7% (76.0–94.9%) n=608 |
| Housing cost burden (≥30% income) | 15.5% | 23.7% (10.6–40.0%) n=32,322 | 21.4% (11.8–33.6%) n=608 |
| Homeownership rate | 85.9% | 78.7% (51.7–94.0%) n=32,322 | 77.7% (53.4–91.5%) n=608 |
| Crowded housing (>1 per room) | 0.7% | 1.3% (0.0–6.3%) n=32,322 | 1.5% (0.0–4.5%) n=608 |
| Foreign-born population | 2.4% | 2.6% (0.0–18.6%) n=32,553 | 1.8% (0.0–8.3%) n=617 |
| Single-parent households | 52.6% | 53.6% (37.3–74.1%) n=32,087 | 52.6% (39.1–68.7%) n=608 |
| Population 65+ | 23.3% | 19.4% (10.8–33.6%) n=32,553 | 19.0% (11.5–27.9%) n=617 |
| Median age | 45.0 yr | 42.2 yr (33.0–56.3) n=32,292 | 42.3 yr (33.8–52.5) n=615 |
| Median household income | $119,636 | $72,070 ($46,039–$118,707) n=30,318 | $61,577 ($42,745–$94,822) n=594 |
| Median home value | $529,500 | $222,200 ($100,300–$579,820) n=30,049 | $215,100 ($120,900–$397,120) n=593 |
| Median gross rent | $1,614 | $1,021 ($677–$1,912) n=25,670 | $908 ($659–$1,523) n=516 |
Life expectancyNCHS / RWJF USALEEP · model-based
| Measure | Value | US median (p10–p90) | TN median (p10–p90) |
|---|---|---|---|
| Life expectancy at birth | 81.4 yr ± 0.65 | 78.9 yr (74.7–82.8) n=31,308 | 75.1 yr (72.6–78.1) n=587 |
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 81.4, 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