Hospitalizations represent the most severe cases of heat-related illness. People are hospitalized for heat-related illness due to extreme symptoms, including intense dehydration, and complications from other health conditions. Elderly and young children are more sensitive to heat and may need more care and monitoring to recover from heat-related illness. Hospitalizations due to heat are sometimes not coded as heat-related leading to underestimated counts of hospitalizations from the effects of heat.

  • Hospitalizations by year
  • Hospitalization rate by year
  • Hospitalization rate by region
  • Hospitalization rate by age
  • Hospitalization rate by sex
  • Hospitalization rate by age and sex

Number of heat-related hospitalizations by year

Summertime heat-related hospitalizations vary widely from year to year.

Source: Minnesota Hospital Association

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    Heat-related hospitalization rates by year

    Heat-related hospitalizations vary from year to year.

    Source: Minnesota Hospital Association. The break indicates a change in International Classification of Disease (ICD) coding from ICD-9 to ICD-10 on October 1st, 2015. Rates from 2000-2014 should not be compared to rates from 2015 onward.

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      Heat-related illness hospitalizations by year and region

      Greater MN and Metro regions follow the same pattern of heat hospitalizations. Some populations are more vulnerable to heat-related illness than others and where these populations live can impact these regional differences.

      Source: Minnesota Hospital Association. The break indicates a change in International Classification of Disease (ICD) coding from ICD-9 to ICD-10 on October 1st, 2015. Rates from 2000-2014 should not be compared to rates from 2015 onward.

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        Heat-related illness hospitalizations by year and age

        Trends show that adults aged 65+ consistently have higher rates of heat-related hospitalizations than other age groups. This reinforces the current scientific knowledge that those who are age 65+ are most vulnerable to heat.

        Source: Minnesota Hospital Association. The break indicates a change in International Classification of Disease (ICD) coding from ICD-9 to ICD-10 on October 1st, 2015. Rates from 2000-2014 should not be compared to rates from 2015 onward.

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          Heat-related illness hospitalizations by year and sex

          There is a similar pattern for both sexes. More males are hospitalized for heat-illness overall.

          Source: Minnesota Hospital Association. The break indicates a change in International Classification of Disease (ICD) coding from ICD-9 to ICD-10 on October 1st, 2015. Rates from 2000-2014 should not be compared to rates from 2015 onward.

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            Heat-related illness hospitalizations in Minnesota, by sex and age

            Males in the 65+ age category are hospitalized at a greater rate as compared to the other age-sex categories. In general, males over age 15 are more likely to be hospitalized than females.

            Source: Minnesota Hospital Association, 2015-2024

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              • Hospitalization rate (County)
              • Hospitalization rates compared to MN (County)

              Heat-related illness hospitalizations by county

              Heat-related hospitalizations vary by county. The overall Minnesota rate is 1 person hospitalized per 100,000 people.

              Source: Minnesota Hospital Association, 2015-2024. Rates based on counts less than or equal to 20 should be interpreted with caution; the rate maybe unstable because it can change dramatically with the addition or subtraction of one case. To protect an individual's privacy, hospitalization counts under 5 are suppressed if the underlying population is less than or equal to 100,000.
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                Heat-related illness hospitalizations by county compared to Minnesota overall

                This map shows which counties have higher, the same, and lower rates as compared to the overall state rate. The overall Minnesota rate is 1 person hospitalized per 100,000 people.

                Source: Minnesota Hospital Association, 2015-2024
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