45.2 per 100K
2,213:1 · 2 providers
South Dakota 111.3 · US 119.6
Medicare-enrolled: 50% (CMS Doctors & Clinicians, August 2026)
HRSA AHRF benchmark: 1 (2023 data, AHRF 2024-2025)
Find primary care physicians in Marshall County →Ltrl Health Data
Marshall County, SD
Healthcare providers per resident, insurance coverage and preventive care, with state and US comparisons.
Population 4,426 (Census, 2025)Provider data: NPPES, September 2026FIPS 46091
Healthcare providers
Dentistssmall number
22.6 per 100K
4,426:1 · 1 providers
South Dakota 68.8 · US 80.5
Medicare-enrolled: 0% (CMS Doctors & Clinicians, August 2026)
HRSA AHRF benchmark: 1 (2024 data, AHRF 2024-2025)
Find dentists in Marshall County →Other primary care providerssmall number
90.4 per 100K
1,107:1 · 4 providers
South Dakota 225.4 · US 169.7
Medicare-enrolled: 100% (CMS Doctors & Clinicians, August 2026)
Find other primary care providers in Marshall County →Primary care physicianssmall number
| Measure | Providers | Per 100,000 | Residents per provider | South Dakota | US | Trend |
|---|---|---|---|---|---|---|
| Dentistssmall number Medicare-enrolled: 0% (CMS Doctors & Clinicians, August 2026) HRSA AHRF benchmark: 1 (2024 data, AHRF 2024-2025) Find dentists in Marshall County → | 1 | 22.6 | 4,426:1 | 68.8 | 80.5 | |
| Other primary care providerssmall number Medicare-enrolled: 100% (CMS Doctors & Clinicians, August 2026) Find other primary care providers in Marshall County → | 4 | 90.4 | 1,107:1 | 225.4 | 169.7 | |
| Primary care physicianssmall number Medicare-enrolled: 50% (CMS Doctors & Clinicians, August 2026) HRSA AHRF benchmark: 1 (2023 data, AHRF 2024-2025) Find primary care physicians in Marshall County → | 2 | 45.2 | 2,213:1 | 111.3 | 119.6 |
Trend: June 2021 to September 2026. State and US figures are pooled (total providers ÷ total population) for the same period.
Coverage and preventive care
Flu vaccinations17.0%
South Dakota 45.0% · US 44.0% · CMS Office of Minority Health, Mapping Medicare Disparities Tool, 2023
South Dakota 44.0% · US 36.0% · CMS Office of Minority Health, Mapping Medicare Disparities Tool, 2023
South Dakota 2,787 · US 2,769 · CMS Office of Minority Health, Mapping Medicare Disparities Tool, 2023
Uninsured (under 65)12.1%
South Dakota 9.9% · US — · U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE), 2024
South Dakota 10.8% · US — · U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE), 2024
South Dakota 7.8% · US — · U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE), 2024
| Measure | Marshall County | South Dakota | US | Source |
|---|---|---|---|---|
| Flu vaccinations | 17.0% | 45.0% | 44.0% | CMS Office of Minority Health, Mapping Medicare Disparities Tool, 2023 |
| Mammography screening | 44.0% | 44.0% | 36.0% | CMS Office of Minority Health, Mapping Medicare Disparities Tool, 2023 |
| Preventable hospital stays | 3,021 | 2,787 | 2,769 | CMS Office of Minority Health, Mapping Medicare Disparities Tool, 2023 |
| Uninsured (under 65) | 12.1% | 9.9% | — | U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE), 2024 |
| Uninsured adults (18–64) | 12.2% | 10.8% | — | U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE), 2024 |
| Uninsured children (under 19) | 12.1% | 7.8% | — | U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE), 2024 |
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Ltrl Health Data. Marshall County, SD: healthcare providers and access. Data as of September 2026. https://ltrl.com/research/workforce/south-dakota/marshall-county
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Nearby counties
Registered, not necessarily practicing. Provider counts come from the national provider registry (NPPES): active individual clinicians, counted once under their primary specialty at their practice-location county. Some registered clinicians are retired or see few patients. Counts under 10, or places with fewer than 10,000 residents, are flagged and left out of rankings. Nothing is estimated or imputed. Methodology
Sources: NPPES (CMS), September 2026; Census population estimates; Census SAHIE; CMS Mapping Medicare Disparities. Ltrl is not affiliated with County Health Rankings & Roadmaps.