Lake County Health Data
Lake County, South Dakota
CDC County Health RankingsHealth Score
80/100
Excellent
Life Expectancy
79.8 yr
Uninsured Rate
9.5%
Health Statistics
Life Expectancy
79.8 yr
State avg 75.4 yr
National avg 77.5 yr
Uninsured Rate
9.5%
State avg 11.1%
National avg 9%
Primary Care Providers
65
per 100K population
National avg 82
Mental Health Providers
154
per 100K population
National avg 350
Poor / Fair Health
11.4%
State avg 16.0%
National avg 19.6%
Healthcare Access
Primary Care Physicians
18.1
per 100K residentsCDC: 64.5 per 100K
Dentists
9.0
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 Lake County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 33.2% | 37.2% | 37.6% | 4.0 pts better than state |
| Diabetes | 9.1% | 11.1% | 11.2% | 2.0 pts better than state |
| High Blood Pressure | 29.2% | 30.7% | 33.5% | 1.5 pts better than state |
| Depression | 20.8% | 21.9% | 24.1% | 1.1 pts better than state |
Health-risk behaviors
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 14.1% | 18.3% | 16.3% | 4.2 pts better than state |
| Binge Drinking | 21.3% | 19.9% | 17.8% | 1.4 pts worse than state |
| Physical Inactivity | 21.1% | 25.3% | 27.0% | 4.2 pts better than state |
Preventive-care uptake
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 74.1% | 73.6% | 74.9% | near state average |
| Dental Visit (past year) | 71.0% | 64.7% | 57.3% | 6.3 pts better than state |
| Mammography (women 50–74) | 78.7% | 75.1% | 73.3% | 3.6 pts better than state |
Daily-life impact
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 15.3% | 17.2% | 18.6% | 1.9 pts better than state |
| Short Sleep Duration | 33.0% | 31.9% | 37.3% | 1.1 pts worse than state |
These rates are part of the CDC PLACES survey. Compare Lake 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
Lake County Reports Significant Gap in Poor or Fair Health
Health data brief for Lake County, South Dakota.
Only 11.4% of Lake County residents report being in poor or fair health, which is significantly lower than the national average of 17%. This health status indicator is coupled with a life expectancy of 79.8 years, which is higher than the South Dakota state average of 75.4 years and the national average of 77 years. The county's uninsured rate is 9.5%, lower than both the state average of 11.1% and the national rate of 10%. Regarding healthcare access, Lake County has 65 primary care providers and 154 mental health providers per 100,000 residents, both of which are lower than the respective national medians of 70 and 250. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Lake 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.
Hospitals near you
Compare all on Medicare.gov →Madison Regional Health System
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Frequently Asked Questions
What is the health ranking of Lake County, SD?
What is the life expectancy in Lake County?
How does Lake County health compare to the South Dakota average?
What health factors affect Lake County?
Is Lake County a healthy place to live?
Why is Lake County healthier than the South Dakota average?
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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.