Marshall County Health Data

Marshall County, South Dakota

CDC County Health Rankings

Health Score

75/100

Excellent

Life Expectancy

79.3 yr

Uninsured Rate

10.5%

Health Statistics

Life Expectancy

79.3 yr

State avg 75.4 yr

National avg 77.5 yr

Uninsured Rate

10.5%

State avg 11.1%

National avg 9%

Primary Care Providers

23

per 100K population

National avg 82

Mental Health Providers

N/A

per 100K population

Poor / Fair Health

12.9%

State avg 16.0%

National avg 19.6%

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 Marshall County differs most from state and national norms.

Most prevalent chronic conditions

MeasureMarshallState avgNational avgVs state
Obesity35.7%37.2%37.6%1.5 pts better than state
Diabetes9.5%11.1%11.2%1.6 pts better than state
High Blood Pressure28.6%30.7%33.5%2.1 pts better than state
Depression20.5%21.9%24.1%1.4 pts better than state

Health-risk behaviors

MeasureMarshallState avgNational avgVs state
Current Cigarette Smoking15.5%18.3%16.3%2.8 pts better than state
Binge Drinking21.0%19.9%17.8%1.1 pts worse than state
Physical Inactivity22.8%25.3%27.0%2.5 pts better than state

Preventive-care uptake

MeasureMarshallState avgNational avgVs state
Annual Routine Checkup72.9%73.6%74.9%0.7 pts worse than state
Dental Visit (past year)69.3%64.7%57.3%4.6 pts better than state
Mammography (women 50–74)78.7%75.1%73.3%3.6 pts better than state

Daily-life impact

MeasureMarshallState avgNational avgVs state
Frequent Mental Distress16.0%17.2%18.6%1.2 pts better than state
Short Sleep Duration30.7%31.9%37.3%1.2 pts better than state

These rates are part of the CDC PLACES survey. Compare Marshall 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

Marshall County Primary Care Provider Ratio Below National Median

Health data brief for Marshall County, South Dakota.

By Logan Johnson, Founder & Data EditorPublished Reviewed by Logan Johnson, Founder & Data Editor
Lead metric:Primary care access

Marshall County has 23 primary care providers per 100,000 residents, which is lower than the national median of 70 per 100,000. Information regarding mental health providers is not available. The county reports a life expectancy of 79.3 years, which is longer than the South Dakota state average of 75.4 years and the national average of 77 years. Approximately 12.9% of the population reports being in poor or fair health, a lower rate than the national average of 17%. The uninsured rate in Marshall County stands at 10.5%, which is slightly lower than the state average of 11.1% and similar to the national average of 10%. Explore state-level data.

Get Care in Marshall County, South Dakota

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.

Marshall County Healthcare Center - Cah

ER
Not rated by CMS
(605) 448-2253
413 9th Street, Britton, SD 57430
Critical Access HospitalsVoluntary non-profit - Private

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 Marshall County, SD?
Marshall County has a health score of 75/100, rated "Excellent." It ranks #18 out of 66 counties in South Dakota (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 Marshall County?
Life expectancy in Marshall County is 79.3 years. The South Dakota state average is 75.4 years, making Marshall County above the state average.
How does Marshall County health compare to the South Dakota average?
Marshall County's health score of 75/100 is above the South Dakota average of 60/100. Life expectancy is 79.3 years vs. the state average of 75.4 years. The uninsured rate is 10.5% vs. 11.1% statewide.
What health factors affect Marshall County?
Key health factors for Marshall County include: life expectancy (79.3 years), uninsured rate (10.5%), and primary care physician access (23:1 (population to primary care physicians)). These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Marshall County a healthy place to live?
With a health score of 75/100 ("Excellent"), Marshall County is one of the healthier counties in South Dakota. Residents have a life expectancy of 79.3 years. 10.5% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
Why is Marshall County healthier than the South Dakota average?
Marshall County's health score of 75/100 exceeds the South Dakota average of 60/100. Higher health scores often correlate with better access to healthcare providers, lower uninsured rates, higher median incomes, and environmental factors. Marshall County has better primary care access (23:1 ratio) than the state average (62:1).

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.