Marion County Health Data

Marion County, South Carolina

CDC County Health Rankings

Health Score

14/100

Below Avg

Life Expectancy

68.2 yr

Uninsured Rate

12.4%

Health Statistics

Life Expectancy

68.2 yr

State avg 72.5 yr

National avg 77.5 yr

Uninsured Rate

12.4%

State avg 11.6%

National avg 9%

Primary Care Providers

38

per 100K population

National avg 82

Mental Health Providers

182

per 100K population

National avg 350

Poor / Fair Health

26.1%

State avg 20.1%

National avg 19.6%

Healthcare Access

Primary Care Physicians

24.2

per 100K residentsCDC: 38.2 per 100K

Dentists

10.4

per 100K residents

Nurse Practitioners & PAs

17.3

per 100K residents

Provider counts from CMS NPPES (National Provider Identifier Registry). Data current as of 2026.

Chronic Disease & Behavioral Health

These prevalence estimates come from the CDC PLACES program (Population-Level Analysis and Community Estimates), which combines BRFSS survey data with statistical modeling to produce county-level rates. Estimates are age-adjusted to enable fair comparisons across counties with different age distributions. Use them to spot where Marion County differs most from state and national norms.

Most prevalent chronic conditions

MeasureMarionState avgNational avgVs state
Obesity45.2%39.2%37.6%6.0 pts worse than state
Diabetes17.7%13.5%11.2%4.2 pts worse than state
High Blood Pressure43.4%37.3%33.5%6.1 pts worse than state
Depression22.8%23.1%24.1%near state average

Health-risk behaviors

MeasureMarionState avgNational avgVs state
Current Cigarette Smoking20.7%16.0%16.3%4.7 pts worse than state
Binge Drinking13.6%16.3%17.8%2.7 pts better than state
Physical Inactivity34.9%28.5%27.0%6.4 pts worse than state

Preventive-care uptake

MeasureMarionState avgNational avgVs state
Annual Routine Checkup80.8%79.1%74.9%1.7 pts better than state
Dental Visit (past year)49.2%57.4%57.3%8.2 pts worse than state
Mammography (women 50–74)75.0%76.0%73.3%1.0 pts worse than state

Daily-life impact

MeasureMarionState avgNational avgVs state
Frequent Mental Distress21.0%18.6%18.6%2.4 pts worse than state
Short Sleep Duration40.1%39.1%37.3%1.0 pts worse than state

These rates are part of the CDC PLACES survey. Compare Marion County nationally on dental visit (past year).

Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.

Data Story

Marion County Life Expectancy Sits at 68.2 Years

Health data brief for Marion County, South Carolina.

By Logan Johnson, Founder & Data EditorPublished Reviewed by Logan Johnson, Founder & Data Editor
Lead metric:Life expectancy

Life expectancy in Marion County is 68.2 years, a figure significantly lower than the South Carolina state average of 72.5 years and the national average of approximately 77 years. This metric is accompanied by a poor or fair health rate of 26.1% among adults, compared to the national average of 17%. The county reports 38 primary care providers and 182 mental health providers for every 100,000 residents, both of which are lower than the national medians of 70 and 250 per 100,000, respectively. Additionally, the uninsured rate for the county stands at 12.4%, which is higher than the state rate of 11.6% and the national rate of 10%. These data points illustrate various health outcomes and clinical access levels currently recorded in the region. See the CDC County Health Rankings methodology for more information.

Get Care in Marion County, South Carolina

Direct contact information for hospitals and community health resources serving this county. Hospital quality ratings come from CMS Care Compare — the federal program that measures hospital performance on safety, patient experience, and outcomes.

Musc Health Marion Medical Center

ER
3/5
(843) 431-2000
2829 E Hwy 76, Mullins, SC 29574
Acute Care HospitalsGovernment - State

Sources: Hospital data: CMS Care Compare. Quality ratings: Centers for Medicare & Medicaid Services. Community health center directory: HRSA. Last reviewed 2026-05-14.

Information is for general guidance only and is not medical advice. Always call ahead to confirm services, hours, and insurance accepted. In a medical emergency, dial 911.

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Frequently Asked Questions

What is the health ranking of Marion County, SC?
Marion County has a health score of 14/100, rated "Below Average." It ranks #44 out of 46 counties in South Carolina (1 = healthiest). The score is based on CDC County Health Rankings data, combining life expectancy, uninsured rates, provider access, and behavioral health indicators.
What is the life expectancy in Marion County?
Life expectancy in Marion County is 68.2 years. The South Carolina state average is 72.5 years, making Marion County below the state average.
How does Marion County health compare to the South Carolina average?
Marion County's health score of 14/100 is below the South Carolina average of 36/100. Life expectancy is 68.2 years vs. the state average of 72.5 years. The uninsured rate is 12.4% vs. 11.6% statewide.
What health factors affect Marion County?
Key health factors for Marion County include: life expectancy (68.2 years), uninsured rate (12.4%), and primary care physician access (38:1 (population to primary care physicians)). Mental health provider access is 182:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Marion County a healthy place to live?
With a health score of 14/100 ("Below Average"), Marion County faces health challenges compared to other counties in South Carolina. Residents have a life expectancy of 68.2 years. 12.4% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
What are the biggest health challenges in Marion County?
Marion County's health score of 14/100 is below the South Carolina average of 36/100. The uninsured rate of 12.4% means a significant portion of residents may face barriers to healthcare. Improving health outcomes often requires investment in healthcare infrastructure, insurance coverage expansion, and community health programs.

Counties with Similar Health Profile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

Data Sources

Health data sourced from the County Health Rankings & Roadmaps, a collaboration between the Robert Wood Johnson Foundation and the University of Wisconsin Population Health Institute.

Data is informational only. Not medical or health advice. Coverage varies by county and reporting year.