Health by ZIP

Charleston County, SC health estimates

South Carolina. 424,367 residents, 342,698 adults (the Census population estimates that PLACES uses). 25 ZIP Codes and 17 places with estimates.

Compare with another placeZIP Codes of the county (CSV)

Charleston County in South Carolina. Boundaries: US Census Bureau.

The figures are model-based estimates for the adults of an area. They are not measurements. They say nothing about one person.

We do not produce estimates for individuals; only aggregated results for counties, places, census tracts, or ZCTAs.

First, it is not adequate to simply compare point estimates. The confidence intervals should also be considered, and some are very broad.

Centers for Disease Control and Prevention, PLACES Frequently Asked Questions (page dated 11 Dec 2025, read on 2 Oct 2026)

PLACES 2025 release. Survey years (BRFSS): 2022 and 2023. CDC updated the data on . What an estimate is. How to read an interval. The site gives no medical advice.

CDC estimates that 30.0% of the adults of Charleston County, SC have obesity.

The 95% confidence interval is 25.8% to 34.4%.

PLACES 2025, BRFSS 2023.

Report card: 40 measures by CDC category

Crude prevalence is the estimated share of all adults. Age-adjusted prevalence uses the 2000 US standard population, so that areas with different ages can be compared. CDC: Age-adjusted estimates are only available at the county and place-level.

"Higher" or "lower": the two 95% confidence intervals do not overlap. "Similar": they overlap. Against the state figure, which has no interval, the words are "above", "below" and "in line".

Health outcomes: Charleston County, SC
MeasureEstimate and interval on a scale of 0 to 50%Estimate95% intervalSC figure (site aggregate)United States
All teeth lost among adults aged ≥65 yearsBRFSS 20229.9%8.2 to 11.813.9%below12.2%similar9.6%8.0 to 11.514.2%below12.6%lowerinterval 12.2 to 13.0
Arthritis among adultsBRFSS 202325.2%22.7 to 27.728.5%below25.4%similar22.4%20.1 to 24.724.4%in line21.9%similar
Cancer (non-skin) or melanoma among adultsBRFSS 20238.4%7.7 to 9.38.6%in line7.9%similar7.3%6.6 to 8.07.0%in line6.6%similar
Chronic obstructive pulmonary disease among adultsBRFSS 20235.7%4.7 to 6.97.5%below6.2%similar5.0%4.1 to 6.06.4%below5.3%similar
Coronary heart disease among adultsBRFSS 20235.5%4.8 to 6.36.8%below6.4%similar4.7%4.1 to 5.45.5%below5.3%similar
Current asthma among adultsBRFSS 20238.8%7.7 to 9.99.6%in line9.8%similar8.8%7.7 to 10.09.7%in line9.8%similar
Depression among adultsBRFSS 202321.3%18.5 to 24.122.3%in line20.2%similar21.8%18.9 to 24.823.1%in line20.7%similar
Diagnosed diabetes among adultsBRFSS 202311.4%9.9 to 13.113.9%below12.0%similar10.0%8.7 to 11.411.8%below10.3%similar
High blood pressure among adultsBRFSS 202332.3%29.4 to 35.338.5%below34.4%similar29.4%26.5 to 32.234.5%below30.7%similar
High cholesterol among adults who have ever been screenedBRFSS 202336.1%33.0 to 39.438.1%in line37.4%similar32.2%29.1 to 35.432.9%in line32.2%similar
Obesity among adultsBRFSS 202330.0%25.8 to 34.435.8%below32.8%similar29.9%25.6 to 34.335.9%below32.9%similar
Stroke among adultsBRFSS 20233.2%2.8 to 3.73.9%below3.4%similar2.8%2.5 to 3.23.3%below2.9%similar
Prevention: Charleston County, SC
MeasureEstimate and interval on a scale of 0 to 100%Estimate95% intervalSC figure (site aggregate)United States
Cholesterol screening among adultsBRFSS 202388.1%86.2 to 89.986.9%in line87.5%similar86.9%84.8 to 88.985.2%in line85.6%similar
Colorectal cancer screening among adults aged 45–75 yearsBRFSS 202274.4%70.8 to 77.769.3%above66.3%higherinterval 65.9 to 66.869.0%65.1 to 72.763.6%above54.1%higherinterval 53.7 to 54.6
Current lack of health insurance among adults aged 18-64 yearsBRFSS 20239.5%7.5 to 11.911.8%in line11.0%similar9.7%7.6 to 12.212.3%below11.5%similar
Mammography use among women aged 50-74 yearsBRFSS 202277.1%71.3 to 82.377.6%in line76.5%similar75.7%69.5 to 81.177.1%in line76.0%similar
Taking medicine to control high blood pressure among adults with high blood pressureBRFSS 202379.5%77.1 to 82.180.2%in line77.0%similar61.6%57.5 to 65.862.9%in line57.5%similar
Visited dentist or dental clinic in the past year among adultsBRFSS 202270.6%67.8 to 73.563.1%above63.9%higherinterval 63.6 to 64.270.1%67.2 to 72.962.4%above63.4%higherinterval 63.1 to 63.7
Visits to doctor for routine checkup within the past year among adultsBRFSS 202379.4%76.6 to 82.280.6%in line77.7%similar78.0%75.0 to 81.078.7%in line75.7%similar
Health risk behaviors: Charleston County, SC
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalSC figure (site aggregate)United States
Binge drinking among adultsBRFSS 202321.4%18.6 to 24.615.7%above15.2%higherinterval 15.0 to 15.522.9%20.0 to 26.317.3%above16.6%higherinterval 16.3 to 16.9
Current cigarette smoking among adultsBRFSS 202310.5%8.2 to 13.213.3%below11.4%similar10.6%8.2 to 13.313.7%below11.6%similar
No leisure-time physical activity among adultsBRFSS 202320.3%17.0 to 24.025.8%below24.5%lowerinterval 24.2 to 24.819.6%16.4 to 23.224.8%below23.7%lowerinterval 23.4 to 24.0
Short sleep duration among adultsBRFSS 202230.0%26.4 to 33.835.8%below36.0%lowerinterval 35.7 to 36.330.6%27.0 to 34.636.8%below36.8%lowerinterval 36.5 to 37.2
Disability: Charleston County, SC
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalSC figure (site aggregate)United States
Any disability among adultsBRFSS 202325.7%22.2 to 29.431.5%below30.0%lowerinterval 29.7 to 30.324.7%21.2 to 28.329.8%below28.3%similar
Cognitive disability among adultsBRFSS 202312.0%10.1 to 14.114.3%below13.7%similar12.4%10.4 to 14.715.0%below14.1%similar
Hearing disability among adultsBRFSS 20235.9%5.1 to 6.77.0%below6.7%similar5.2%4.5 to 5.95.9%in line5.8%similar
Independent living disability among adultsBRFSS 20236.8%5.8 to 8.18.7%below7.9%similar6.8%5.7 to 8.08.6%below7.6%similar
Mobility disability among adultsBRFSS 202312.1%10.2 to 14.115.4%below13.5%similar10.7%9.0 to 12.613.3%below11.7%similar
Self-care disability among adultsBRFSS 20233.2%2.7 to 3.84.3%below3.8%similar3.0%2.6 to 3.53.9%below3.4%similar
Vision disability among adultsBRFSS 20234.3%3.7 to 4.95.6%below5.5%lowerinterval 5.4 to 5.74.1%3.5 to 4.75.2%below5.2%lowerinterval 5.1 to 5.4
Health status: Charleston County, SC
MeasureEstimate and interval on a scale of 0 to 30%Estimate95% intervalSC figure (site aggregate)United States
Fair or poor self-rated health status among adultsBRFSS 202315.4%12.9 to 18.220.1%below19.2%lowerinterval 18.9 to 19.514.8%12.4 to 17.419.1%below18.3%lowerinterval 18.0 to 18.6
Frequent mental distress among adultsBRFSS 202314.4%12.4 to 16.516.4%in line15.6%similar15.1%13.1 to 17.317.5%below16.3%similar
Frequent physical distress among adultsBRFSS 202311.4%9.7 to 13.014.0%below12.8%similar10.8%9.3 to 12.513.1%below12.1%similar

ZIP Codes in Charleston County

ZIP Codes in Charleston County, SC, in ZIP Code order
ZIP CodeResidentsEstimate95% confidence intervalAgainst Charleston County
ZIP Code 294019,14526.1%22.3 to 29.9similar
ZIP Code 2940321,36331.2%27.2 to 35.3similar
ZIP Code 294042,16125.2%21.7 to 29.0similar
ZIP Code 2940525,62037.8%33.3 to 42.1similar
ZIP Code 2940632,73035.9%31.5 to 40.0similar
ZIP Code 2940735,37330.0%26.1 to 34.0similar
ZIP Code 294091,95715.7%11.9 to 19.6lower
ZIP Code 2941239,68727.5%23.7 to 31.3similar
ZIP Code 2941445,15027.9%24.1 to 31.8similar
ZIP Code 2941824,15435.7%31.9 to 39.5similar
ZIP Code 2942476821.1%17.1 to 25.3lower
ZIP Code 294261,65440.0%35.8 to 44.1higher
ZIP Code 294293,89930.7%26.8 to 34.7similar
ZIP Code 294383,13733.2%29.5 to 37.3similar
ZIP Code 294391,89126.6%22.7 to 30.7similar
ZIP Code 294498,01836.4%32.0 to 40.8similar
ZIP Code 294514,41724.7%20.9 to 28.5similar
ZIP Code 2945528,34428.7%24.8 to 32.6similar
ZIP Code 2945637,57735.5%32.1 to 38.9similar
ZIP Code 294582,48935.8%31.2 to 40.0similar
ZIP Code 2946451,28726.1%22.4 to 29.9similar
ZIP Code 2946642,31626.4%22.7 to 30.2similar
ZIP Code 294704,59832.5%28.5 to 36.5similar
ZIP Code 294821,89124.8%21.1 to 28.7similar
ZIP Code 294872,84831.0%26.8 to 35.4similar

The dashed line in each drawing is Charleston County. The words are "higher" or "lower" when the two 95% confidence intervals do not overlap, and "similar" when they overlap. The table is in name order. The intervals of many rows overlap, so the table gives no rank.

A ZIP Code is in the county that holds the largest share of its land. A ZIP Code that is in two counties shows one time. Download the ZIP Codes of Charleston County as a CSV file, with all measures.

Cities and places in Charleston County

Places in Charleston County, SC, in name order
PlaceResidentsEstimate95% confidence intervalAgainst Charleston County
Adams Run42142.1%37.3 to 46.9higher
Awendaw1,39933.5%29.2 to 37.7similar
Charleston150,22728.7%25.1 to 32.4similar
Folly Beach2,07826.8%22.9 to 30.8similar
Hollywood5,33935.6%31.2 to 40.0similar
Isle of Palms4,34724.6%20.9 to 28.5similar
James Island11,62127.0%23.2 to 30.9similar
Kiawah Island2,01322.5%19.1 to 26.3similar
Ladson15,55038.5%34.0 to 43.3similar
McClellanville60531.3%26.8 to 35.6similar
Meggett1,39033.3%29.0 to 37.9similar
Mount Pleasant90,80126.0%22.3 to 29.8similar
North Charleston114,85235.2%31.5 to 39.0similar
Ravenel2,54233.5%29.2 to 38.0similar
Rockville14127.0%22.9 to 31.1similar
Seabrook Island2,05023.2%19.4 to 26.7similar
Sullivan's Island1,89124.8%21.1 to 28.7similar

The dashed line in each drawing is Charleston County. The words are "higher" or "lower" when the two 95% confidence intervals do not overlap, and "similar" when they overlap. The table is in name order. The intervals of many rows overlap, so the table gives no rank.

Estimates in earlier PLACES releases

The current modeling procedure does not support using the estimates to track changes at the local level over time.

Centers for Disease Control and Prevention, PLACES Frequently Asked Questions (page dated 11 Dec 2025, read on 2 Oct 2026)

The table lists what each PLACES release published for Charleston County, SC, for 12 of the 40 measures.

Charleston County, SC: crude prevalence and 95% confidence interval in each PLACES release
Measure2022 release2023 release2024 release2025 release
COPD6.0%5.1 to 7.05.7%4.7 to 6.85.2%4.7 to 5.85.7%4.7 to 6.9
Coronary Heart Disease6.2%5.7 to 6.85.5%4.8 to 6.35.8%5.3 to 6.55.5%4.8 to 6.3
Current Asthma9.5%9.1 to 10.09.0%7.9 to 10.28.9%7.9 to 10.08.8%7.7 to 9.9
Depression21.3%20.2 to 22.419.2%16.4 to 22.119.2%16.9 to 21.921.3%18.5 to 24.1
Diabetes11.0%10.2 to 11.710.9%9.4 to 12.310.6%9.3 to 11.911.4%9.9 to 13.1
High Blood Pressure33.8%32.8 to 34.932.4%29.3 to 35.532.2%29.3 to 35.132.3%29.4 to 35.3
Obesity30.0%28.7 to 31.331.8%27.4 to 36.328.7%24.9 to 32.930.0%25.8 to 34.4
Health Insurance14.1%11.9 to 16.910.6%8.1 to 13.46.4%5.7 to 7.29.5%7.5 to 11.9
Binge Drinking20.1%19.4 to 20.721.7%18.7 to 24.821.8%18.8 to 24.921.4%18.6 to 24.6
Current Cigarette Smoking14.4%12.0 to 17.013.4%10.5 to 16.69.6%8.4 to 10.910.5%8.2 to 13.2
Physical Inactivity19.7%17.6 to 21.919.1%15.8 to 22.417.8%15.6 to 20.420.3%17.0 to 24.0
General Health13.3%11.7 to 15.113.4%11.3 to 15.712.5%11.2 to 13.915.4%12.9 to 18.2

Official sources

The links open the pages of the agencies in a new tab.

Cite this page

Health by ZIP. Charleston County, SC: CDC PLACES estimates, 2025 release. Source: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health. CDC updated the data on 4 Dec 2025. https://healthbyzip.com/county/sc/charleston-county/

The address of this page stays the same. CDC's own citation is at the foot of the page.

Where the figures come from

Source: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, 2025 release. CDC updated the data on . The page shows the 2022, 2023, 2024 releases as a record. The data are a US government work in the public domain. Data set on data.cdc.gov. The boundaries and the links between ZIP Codes, counties and places come from the US Census Bureau. Percentages have one decimal, as CDC publishes them. A state figure is a site aggregate: the site computes it. The site corrects an error of its own processing at the next build. See corrections.

Questions about Charleston County, SC

How does the obesity estimate of Charleston County, SC compare with South Carolina?

The South Carolina figure is 35.8% (site aggregate).

It has no confidence interval.

The whole interval of Charleston County, SC is below the South Carolina figure.

How does the obesity estimate of Charleston County, SC compare with the nation?

The US estimate is 32.8%.

The 95% confidence interval is 32.4% to 33.1%.

The two intervals overlap. The estimate for Charleston County, SC is similar.

What does CDC estimate for diagnosed diabetes in Charleston County, SC?

CDC estimates that 11.4% of the adults of Charleston County, SC have diagnosed diabetes.

The 95% confidence interval is 9.9% to 13.1%.

PLACES 2025, BRFSS 2023.

For how many measures is Charleston County, SC above or below the South Carolina figure?

Charleston County, SC and the South Carolina figure both have a value for 40 measures.

The estimate for Charleston County, SC is above the South Carolina figure for 3 measures.

It is below the South Carolina figure for 25 measures.

It is in line with the South Carolina figure for 12 measures.