ZIP code
31324
in Richmond Hill, GeorgiaPopulation 37,406
60.32/ 100
Ranked #4,617 of 32,066 US ZIPs (top 14.4%)
Ranked #69 of 711 Georgia ZIPs (top 9.8%)
Ranked #4 of 23 Savannah, GA ZIPs (top 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.
Floodplain exposure
57.9%
in the top 2.8% nationally
Lower is healthier
ST98thUS97thDefinition & 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
10.3%
in the top 3.7% nationally
Lower is healthier
ST98thUS96thDefinition & 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 ›Subsidized affordable housing
454 units
in the top 5.0% nationally
Higher is healthier
ST95thUS95thDefinition & source ›
The number of affordable rental units in this ZIP supported by the federal Low-Income Housing Tax Credit program.
Full methodology ›Natural-disaster risk
in the top 5.2% nationally
Lower is healthier
ST99thUS95thDefinition & source ›
This area’s national rank on its single highest non-flood natural hazard — such as wildfire, tornado, or earthquake — in FEMA’s modeled National Risk Index; flooding is shown separately.
Full methodology ›Coronary heart disease
4.4%
in the bottom 5.1% nationally
Lower is healthier
ST8thUS5thDefinition & source ›
The estimated share of adults who have been told by a health professional that they have coronary heart disease or angina.
Full methodology ›Slow internet speeds
1.7%
in the top 6.9% nationally
Lower is healthier
ST92ndUS93rdDefinition & source ›
The share of homes whose fastest available download speed is under 10 Mbps.
Full methodology ›Humid extreme heat
139.6 days/year
in the top 7.5% nationally
Lower is healthier
ST82ndUS93rdDefinition & 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 ›Hearing disability
5.0%
in the bottom 6.4% nationally
Lower is healthier
ST12thUS6thDefinition & source ›
The estimated share of adults who are deaf or have serious difficulty hearing.
Full methodology ›Expected annual disaster loss
$0
in the top 8.2% nationally
Lower is healthier
ST94thUS92ndDefinition & 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 ›Arsenic in groundwater
1.3%
in the bottom 9.3% nationally
Lower is healthier
ST47thUS9thDefinition & source ›
The modeled probability that untreated groundwater in this area — the source private wells draw on — exceeds the federal arsenic limit of 10 micrograms per liter.
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 ›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, Richmond Hill, Georgia (ZIP 31324) lands in the top 14.4% healthiest ZIPs nationally (4,617th) and the top 9.8% of Georgia (69th).
The measures that set this area apart are worth putting up front: subsidized affordable housing lies in the top 5.0% nationally, and modeled coronary heart disease lands in the bottom 5.1% nationally. Modeled hearing disability sits in the bottom 6.4% nationally, and arsenic is in the bottom 9.3% nationally. Set against that, floodplain exposure settles in the top 2.8% nationally, outer-floodplain exposure resides in the top 3.7% nationally, and modeled disaster risk registers in the top 5.2% nationally. Slow internet speeds rests in the top 6.9% nationally, modeled humid heat stands in the top 7.5% nationally, and modeled expected annual loss lies in the top 8.2% nationally.
Set beside the nearby areas, outer-floodplain exposure runs far higher than the surrounding ZIPs on this measure. A note on the terms: disaster risk is the area's national rank on its highest non-flood peril in FEMA's modeled Risk Index, like wildfire or quake. Expected annual loss is FEMA's modeled estimate, in dollars, of average yearly harm to people from natural hazards. Arsenic is a natural groundwater contaminant, here a modeled estimate of the chance private-well levels exceed a benchmark. For a healthier nearby comparison, ZIP 31411, about 3.8 miles 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. Compare it against the US, this state and the Savannah, 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 90%
21%
Social Need / SDOH
healthier than 89%
16%
Environmental Hazard
healthier than 72%
14%
Risk Behavior
healthier than 74%
11%
Mental Health
healthier than 69%
8%
Disability
healthier than 89%
7%
Healthcare Access
healthier than 80%
5%
About typical
Preventive Care
healthier than 57%
13%
Holding it back
Climate / Disaster Risk
healthier than 2%
5%
Lifting this score
Chronic Disease Burden
healthier than 91%
21%
Social Need / SDOH
healthier than 93%
16%
Environmental Hazard
healthier than 60%
14%
Preventive Care
healthier than 81%
13%
Risk Behavior
healthier than 87%
11%
Mental Health
healthier than 72%
8%
Disability
healthier than 93%
7%
Healthcare Access
healthier than 80%
5%
Holding it back
Climate / Disaster Risk
healthier than 2%
5%
Lifting this score
Chronic Disease Burden
healthier than 91%
21%
Social Need / SDOH
healthier than 86%
16%
Preventive Care
healthier than 77%
13%
Risk Behavior
healthier than 86%
11%
Mental Health
healthier than 73%
8%
Disability
healthier than 91%
7%
Healthcare Access
healthier than 73%
5%
About typical
Environmental Hazard
healthier than 41%
14%
Holding it back
Climate / Disaster Risk
healthier than 9%
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.
Below what income predicts
The ZIP codes that outlive their incomes
Estimated life expectancy is 78.8 ± 1.9 years. A median household income of $122,378 predicts 80.9 years — 2.1 years below.
Ranked #2,802 of the 5,842 ZIP codes this finding names, ordered by years above what income predicts, highest first.
Nearby & similar ZIPs
Editorially selected — see how this ZIP compares to nearby and similar places.
Nearby
31309
Georgiashares a border
Score 51.07
Closest healthier
31411
Georgiaabout 3.8 mi away
Score 69.32
Similar health profile
76016
Texas99% similar profile
Score 57.87
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 | 21.9% | 19.2–25.0 |
| High blood pressure among adults | 31.7% | 27.9–35.9 |
| Cancer (non-skin) or melanoma among adults | 7.0% | 6.4–7.8 |
| Current asthma among adults | 9.7% | 8.6–11.0 |
| Coronary heart disease among adults | 4.4% | 3.9–4.9 |
| Chronic obstructive pulmonary disease among adults | 4.7% | 4.1–5.2 |
| Depression among adults | 20.6% | 17.5–24.2 |
| Diagnosed diabetes among adults | 9.4% | 8.2–10.9 |
| High cholesterol among adults who have ever been screened | 34.0% | 29.9–38.4 |
| Obesity among adults | 32.7% | 26.1–40.2 |
| Stroke among adults | 2.5% | 2.3–2.7 |
| All teeth lost among adults aged >=65 years | 8.4% | 6.7–10.3 |
PreventionCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Current lack of health insurance among adults aged 18-64 years | 9.5% | 8.2–10.9 |
| Taking medicine to control high blood pressure among adults with high blood pressure | 73.5% | 70.2–76.7 |
| Visits to doctor for routine checkup within the past year among adults | 77.8% | 74.1–81.3 |
| Cholesterol screening among adults | 87.8% | 86.2–89.4 |
| Colorectal cancer screening among adults aged 45–75 years | 67.4% | 62.3–72.0 |
| Visited dentist or dental clinic in the past year among adults | 66.5% | 63.0–69.9 |
| Mammography use among women aged 50-74 years | 78.0% | 70.5–84.3 |
Health Risk BehaviorsCDC PLACES 2022 / 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Binge drinking among adults | 18.1% | 14.9–21.7 |
| Current cigarette smoking among adults | 11.3% | 9.7–13.1 |
| No leisure-time physical activity among adults | 19.6% | 16.4–23.2 |
| Short sleep duration among adults | 33.9% | 27.5–40.6 |
Health StatusCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Fair or poor self-rated health status among adults | 14.6% | 12.7–16.6 |
| Frequent mental distress among adults | 16.4% | 14.5–18.4 |
| Frequent physical distress among adults | 11.5% | 10.1–12.9 |
DisabilityCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Cognitive disability among adults | 12.5% | 11.0–14.0 |
| Any disability among adults | 25.0% | 21.7–28.7 |
| Hearing disability among adults | 5.0% | 4.4–5.6 |
| Independent living disability among adults | 6.5% | 5.8–7.3 |
| Mobility disability among adults | 9.7% | 8.4–11.1 |
| Self-care disability among adults | 2.7% | 2.5–3.0 |
| Vision disability among adults | 3.6% | 3.3–3.9 |
Health-Related Social NeedsCDC PLACES 2023 · BRFSS
| Measure | Crude prevalence | 95% CI |
|---|---|---|
| Lack of social and emotional support among adults | 21.2% | 17.9–24.7 |
| Food insecurity in the past 12 months among adults | 11.0% | 9.2–12.7 |
| Received food stamps in the past 12 months among adults | 7.8% | 6.6–9.1 |
| Housing insecurity in the past 12 months among adults | 10.6% | 9.0–12.2 |
| Lack of reliable transportation in the past 12 months among adults | 6.6% | 5.8–7.5 |
| Loneliness among adults | 35.4% | 30.0–40.7 |
| Utility services shut-off threat in the past 12 months among adults | 6.5% | 5.5–7.5 |
Community & economyCensus ACS 5-Year · 2024 release · observed
| Measure | Value | US median (p10–p90) | GA median (p10–p90) |
|---|---|---|---|
| Poverty rate | 5.5% | 10.6% (3.1–25.8%) n=32,364 | 13.8% (5.6–27.5%) n=709 |
| Uninsured 18–64 | 8.3% | 9.0% (1.5–24.3%) n=32,286 | 18.3% (8.4–29.7%) n=713 |
| No HS diploma (25+) | 4.9% | 7.9% (1.8–20.7%) n=32,505 | 12.1% (3.9–22.9%) n=720 |
| Bachelor's or higher (25+) | 43.8% | 23.3% (9.2–53.6%) n=32,505 | 21.3% (9.1–49.2%) n=720 |
| Unemployment rate (16+) | 4.8% | 3.9% (0.0–9.8%) n=32,274 | 4.1% (0.6–9.6%) n=714 |
| Households without a vehicle | 3.0% | 3.9% (0.0–12.5%) n=32,322 | 4.4% (0.3–12.3%) n=707 |
| Broadband subscription | 94.9% | 89.3% (75.1–97.1%) n=32,322 | 87.3% (72.5–96.4%) n=707 |
| Housing cost burden (≥30% income) | 25.3% | 23.7% (10.6–40.0%) n=32,322 | 25.1% (13.6–38.3%) n=707 |
| Homeownership rate | 77.8% | 78.7% (51.7–94.0%) n=32,322 | 73.7% (48.8–89.0%) n=707 |
| Crowded housing (>1 per room) | 1.0% | 1.3% (0.0–6.3%) n=32,322 | 1.7% (0.0–5.0%) n=707 |
| Foreign-born population | 7.5% | 2.6% (0.0–18.6%) n=32,553 | 3.8% (0.0–15.8%) n=720 |
| Single-parent households | 39.3% | 53.6% (37.3–74.1%) n=32,087 | 48.8% (36.1–66.7%) n=705 |
| Population 65+ | 9.7% | 19.4% (10.8–33.6%) n=32,553 | 17.0% (10.0–28.3%) n=720 |
| Median age | 35.2 yr | 42.2 yr (33.0–56.3) n=32,292 | 39.8 yr (33.1–51.4) n=715 |
| Median household income | $122,378 | $72,070 ($46,039–$118,707) n=30,318 | $65,254 ($44,032–$106,158) n=677 |
| Median home value | $386,600 | $222,200 ($100,300–$579,820) n=30,049 | $215,200 ($91,000–$413,150) n=666 |
| Median gross rent | $1,790 | $1,021 ($677–$1,912) n=25,670 | $993 ($694–$1,769) n=627 |
Life expectancyNCHS / RWJF USALEEP · model-based
| Measure | Value | US median (p10–p90) | GA median (p10–p90) |
|---|---|---|---|
| Life expectancy at birth | 78.8 yr ± 0.96 | 78.9 yr (74.7–82.8) n=31,308 | 76.1 yr (73.3–79.7) n=668 |
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 0.96 years of 78.8, 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