Data / Rankings / COPD in adults, local model estimate / Counties in South Carolina

Counties in South Carolina by COPD in adults, local model estimate, 2023

Union County had the highest COPD in adults, local model estimate of 46 counties in 2023, at 11.9%. Charleston County had the lowest, at 5.7%. The median was 9%. Source: the Centers for Disease Control and Prevention.

Highest11.9Union County
Lowest5.7Charleston County
Median946 counties

All counties, 2023

Union County: 11.9 %Union County11.9Dillon County: 11.8 %Dillon County11.8Marion County: 11.8 %Marion County11.8Barnwell County: 11.6 %Barnwell County11.6Marlboro County: 11.4 %Marlboro County11.4McCormick County: 11 %McCormick County11Allendale County: 10.7 %Allendale County10.7Clarendon County: 10.5 %Clarendon County10.5Lee County: 10.4 %Lee County10.4Chesterfield County: 10.3 %Chesterfield County10.3Fairfield County: 10.3 %Fairfield County10.3Hampton County: 10.1 %Hampton County10.1Colleton County: 10 %Colleton County10Williamsburg County: 10 %Williamsburg County10Abbeville County: 9.9 %Abbeville County9.9Bamberg County: 9.9 %Bamberg County9.9Chester County: 9.9 %Chester County9.9Oconee County: 9.9 %Oconee County9.9Orangeburg County: 9.6 %Orangeburg County9.6Saluda County: 9.6 %Saluda County9.6Cherokee County: 9.4 %Cherokee County9.4Darlington County: 9.4 %Darlington County9.4Horry County: 9 %Horry County9Laurens County: 9 %Laurens County9Jasper County: 8.9 %Jasper County8.9Calhoun County: 8.8 %Calhoun County8.8Edgefield County: 8.8 %Edgefield County8.8Newberry County: 8.7 %Newberry County8.7Georgetown County: 8.6 %Georgetown County8.6Greenwood County: 8.6 %Greenwood County8.6Anderson County: 8.2 %Anderson County8.2Florence County: 8.1 %Florence County8.1Sumter County: 8 %Sumter County8Kershaw County: 7.9 %Kershaw County7.9Pickens County: 7.8 %Pickens County7.8Aiken County: 7.5 %Aiken County7.5Lancaster County: 7.5 %Lancaster County7.5Spartanburg County: 7.5 %Spartanburg County7.5Beaufort County: 7 %Beaufort County7Lexington County: 6.9 %Lexington County6.9Dorchester County: 6.5 %Dorchester County6.5Greenville County: 6.4 %Greenville County6.4Berkeley County: 6.2 %Berkeley County6.2York County: 6 %York County6Richland County: 5.8 %Richland County5.8Charleston County: 5.7 %Charleston County5.7
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Union County11.9+0.1 pts
2Dillon County11.8-1.9 pts
2Marion County11.8+0.6 pts
4Barnwell County11.6+1.7 pts
5Marlboro County11.4+0.5 pts
6McCormick County11+1.5 pts
7Allendale County10.7+0.3 pts
8Clarendon County10.5+0.2 pts
9Lee County10.4-0.5 pts
10Chesterfield County10.3+1.5 pts
10Fairfield County10.3-1.2 pts
12Hampton County10.1-0.2 pts
13Colleton County10-0.3 pts
13Williamsburg County10+0.3 pts
15Abbeville County9.9+0.4 pts
15Bamberg County9.9-0.4 pts
15Chester County9.9+0.3 pts
15Oconee County9.9-0.3 pts
19Orangeburg County9.6+0.7 pts
19Saluda County9.6+0.2 pts
21Cherokee County9.4-0.1 pts
21Darlington County9.4+0.7 pts
23Horry County9+0.2 pts
23Laurens County9+0.3 pts
25Jasper County8.9-0.3 pts
26Calhoun County8.8-0.4 pts
26Edgefield County8.8-0.6 pts
28Newberry County8.7-0.5 pts
29Georgetown County8.6-0.8 pts
29Greenwood County8.6-0.6 pts
31Anderson County8.2-0.3 pts
32Florence County8.1+0.3 pts
33Sumter County8+1.1 pts
34Kershaw County7.9-0.2 pts
35Pickens County7.8-0.3 pts
36Aiken County7.5-1 pts
36Lancaster County7.5+0.3 pts
36Spartanburg County7.5+0.5 pts
39Beaufort County7-0.3 pts
40Lexington County6.9+0.2 pts
41Dorchester County6.5-0.8 pts
42Greenville County6.4+1 pts
43Berkeley County6.2+0.2 pts
44York County6-0.7 pts
45Richland County5.8+0.2 pts
46Charleston County5.7+0.5 pts

Other periods

About this ranking

Percentage of adults who have ever been told by a doctor, nurse or other health professional that they had chronic obstructive pulmonary disease (COPD), emphysema or chronic bronchitis. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2022; its eight former counties are not served. City values for 2021 come from the 2023 release, built on 2010 Census place boundaries; later years use 2020 boundaries.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

Centers for Disease Control and Prevention. (2025). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence (Counties in South Carolina by COPD in adults, local model estimate, 2023) [Data set]. Retrieved October 12, 2026, from https://www.cdc.gov/places/

MLA 9

PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence, Counties in South Carolina by COPD in adults, local model estimate, 2023. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/south-carolina-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

Centers for Disease Control and Prevention. 2025. PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. Counties in South Carolina by COPD in adults, local model estimate, 2023. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/south-carolina-counties.

Harvard

Centers for Disease Control and Prevention (2025) PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence, Counties in South Carolina by COPD in adults, local model estimate, 2023 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-copd-rate-county-estimate/south-carolina-counties (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_south_carolina_2023,
  author = {{Centers for Disease Control and Prevention}},
  title = {{PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence: Counties in South Carolina by COPD in adults, local model estimate, 2023}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/south-carolina-counties. Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.},
}
RIS
TY  - DATA
AU  - Centers for Disease Control and Prevention
TI  - PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence: Counties in South Carolina by COPD in adults, local model estimate, 2023
PY  - 2025
DA  - 2025/12/04
PB  - Centers for Disease Control and Prevention
DB  - Invokely
UR  - https://www.cdc.gov/places/
L2  - https://invokely.ai/rankings/adult-copd-rate-county-estimate/south-carolina-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/south-carolina-counties.
N1  - Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
ER  -
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Questions

Which county has the highest COPD in adults, local model estimate?

Union County, with 11.9% in 2023, according to the Centers for Disease Control and Prevention.

Which county has the lowest COPD in adults, local model estimate?

Charleston County, with 5.7% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. Retrieved 2026-10-12.

COPD in adults, local model estimate: other rankings

Counties in South Carolina: more rankings