Health Profile of Lake County, South Dakota

Lake County Health Score

The Map AI Health Index is a score that reflects local life expectancy, disease rates, healthcare access, and physical environment to help you quickly compare the overall health and well-being of different areas.

  • A
    Lake County Above average
    Among the top 5 healthiest counties in South Dakota

Source: Map AI Methodology

Lake County
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Health grade

General Health Overview

See health data visualized

Metric Lake County South Dakota Avg US Average
Life Expectancy (years) 83.5 79.9 78.3
Uninsured Population (%) 4.0% 9.0% 8.4%
Self-Rated Poor Health 10.1% 13.8% 16.3%

Life expectancy in Lake County is 83.5 years, about 3.6 years longer than the South Dakota average of 79.9 years. The uninsured rate is 4.0%, lower than the South Dakota average of 9.0%. Self-rated poor health is reported by 10.1% of residents, lower than the South Dakota average of 13.8%.

Population by Age

Older residents

4,582 residents in Lake County are age 50 or older.

  • 85+ 281 107 men · 174 women
  • 75–84 562 281 men · 281 women
  • 65–74 1,444 753 men · 692 women
  • 50–64 2,295 1,149 men · 1,146 women

Younger residents

2,130 residents in Lake County are age 17 or younger.

  • 12–17 638 334 boys · 305 girls
  • 7–12 639 330 boys · 310 girls
  • 3–7 496 250 boys · 247 girls
  • 0–3 357 169 boys · 187 girls
Beyond life expectancy

About 350 residents in Lake County (3.2% of the population) are older than the area's life expectancy of 83.5 years.

83.5 yrs
Age 0 Age 100

The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.

Disease Prevalence

Disease / Condition Lake County South Dakota Avg US Average
Diabetes 8.4% 10.5% 11.3%
Cancer 7.4% 7.6% 6.9%
Heart Diseases 6.6% 7.8% 7.1%
Adult Obesity 31.9% 34.9% 34.3%

The rate of diabetes in Lake County is about 20% lower than in South Dakota. The rate of heart disease in Lake County is about 16% lower than in South Dakota.

Health Behaviors

Behavior Lake County South Dakota Avg US Average
Smokers 15.7% 19.9% 19.0%
Binge Drinking 20.5% 18.8% 16.5%
Sedentary Lifestyle 21.2% 25.3% 25.1%

The rate of smoking in Lake County is about 21% lower than in South Dakota. The rate of sedentary lifestyle in Lake County is about 16% lower than in South Dakota.

Assuming each smoker smokes 10 cigarettes a day, that's about 13,857 cigarettes a day, 415,705 a month, or 5.1 million a year! At 11 minutes* of life lost per cigarette, that's about 152,425 minutes a day and 55.6 million a year lost to smoking overall - and since life expectancy in Lake County is 83.5 years, that's roughly equivalent to 0.00 lifetimes a day, or 1.27 lifetimes a year.

* Source: Shaw M, Mitchell R, Dorling D. "Time for a smoke? One cigarette reduces your life by 11 minutes." BMJ. 2000;320:53.

Illustrative only. This is not an estimate of how many people actually die from smoking each day or year - it's a rough, order-of-magnitude comparison meant to help grasp the scale of smoking in this area. We take no responsibility for any decisions made based on this figure.

Air Quality

Metric Lake County South Dakota Avg US Average
Air Pollution (μg/m³) 4.79 4.61 6.09

With an annual average of 4.8 µg/m³ of fine particulate matter (PM2.5), air quality in Lake County is very good — well within WHO health guidelines, with minimal health risk from air pollution.

Lake County, SD Health Compared With Nearby Counties

Lake County, SD is the 3rd largest of the 6 counties compared here, 10,972 residents against a local median of 6,397. The measure that sets Lake County, SD apart most is uninsured: 4.0%, 49% below the local median of 7.8%. That is the better end of the local range on this measure.

The counties themselves spread 5.8% on uninsured, so Lake County, SD sits at one end of an already wide local range rather than apart from it. Lake County, SD has the lowest uninsured of the 6 areas compared here.

Area Population Life expectancy Uninsured Obesity
Lake County, SD 10,972 83.5 yrs #1/6 4.0% #1/6 31.9% #3/6
McCook County, SD 5,751 77.4 yrs 7.8% 33.0%
Moody County, SD 6,397 77.2 yrs 11.0% 32.3%
Miner County, SD 2,300 79.4 yrs 5.9% 32.1%
Minnehaha County, SD 203,266 79.2 yrs 8.2% 30.3%
Brookings County, SD 35,353 80.0 yrs 5.1% 30.0%

Conclusion

Considering all these factors, Lake County, South Dakota has an overall health index grade of A, making it somewhat better than South Dakota, and notably better than the country as a whole.

Frequently Asked Questions

Common questions about health in Lake County, South Dakota.

Is Lake County, South Dakota a healthy place to live?

Lake County, South Dakota has a Map AI Health Index grade of A, based on life expectancy, disease rates, healthcare access, and the physical environment; an A grade means residents are much healthier than the U.S. average.

Is Lake County, South Dakota one of the healthiest counties in South Dakota?

Lake County ranks 5th healthiest out of 62 counties in South Dakota by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.

What is the life expectancy in Lake County, South Dakota?

People in Lake County, South Dakota can expect to live 83.5 years on average, 3.6 years longer than the South Dakota average of 79.9.

What percentage of Lake County, South Dakota residents are uninsured?

4.0% of residents in Lake County, South Dakota have no health insurance, about 1 in 25 people, 5.0 points below the South Dakota rate of 9.0%.

How common is obesity in Lake County, South Dakota?

31.9% of adults in Lake County, South Dakota are classified as obese, about 1 in 3, 3.0 points below the South Dakota rate of 34.9%.

How many cigarettes do smokers in Lake County, South Dakota go through, and how much life does that cost?

Assuming each smoker smokes 10 cigarettes a day, that's about 13,857 cigarettes a day, 415,705 a month, or 5.1 million a year! At 11 minutes* of life lost per cigarette, that's about 152,425 minutes a day and 55.6 million a year lost to smoking overall - and since life expectancy in Lake County is 83.5 years, that's roughly equivalent to 0.00 lifetimes a day, or 1.27 lifetimes a year.

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