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Calhoun County, Michigan

High risk

Gera County Health Risk Index: 66.3/100 · National rank 27 of 480 · Population: 133,366 · CDC PLACES June 2026

What is the chronic-disease health risk in Calhoun County, Michigan?

As of June 2026, Calhoun County, Michigan has a Gera County Health Risk Index of 66.3/100 (national rank 27/480; high risk). Adult chronic-disease prevalence: obesity 42.5%, diabetes 13.3%, coronary heart disease 7.6%, smoking 16.7%. Source: CDC PLACES June 2026.

Source:CDC PLACES: Local Data for Better Health, County Data 2023 release·as of June 2026updated annually (last: )
Gera County Health Risk Index66.3 / 100Rank 27 of 480 most-populous US counties. Computed from CDC PLACES June 2026 crude prevalence for 4 chronic-disease measures, weighted and normalised 0–100. Higher = higher risk.How this index is calculated

Chronic-disease prevalence — Calhoun County (CDC PLACES June 2026)

Calhoun County, Michigan — CDC PLACES June 2026 crude prevalence (adults)
MeasurePrevalenceWeight in GCHRI
Obesity42.5%25%
Diagnosed diabetes13.3%25%
Coronary heart disease7.6%30%
Current cigarette smoking16.7%20%
GCHRI composite score66.3 / 100—

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Search any of the 480 most-populous US counties to compare GCHRI scores and CDC prevalence rates.

Calhoun County, Michigan

Population: 133,366 · National rank: 27 / 480 (by chronic-disease risk)

High risk

Gera County Health Risk Index

66.3 / 100

Obesity

42.5%

adults

Diabetes

13.3%

adults

Heart Disease

7.6%

adults

Smoking

16.7%

adults

Source: CDC PLACES, June 2026 · Crude prevalence, adults · Full county page →

Other counties in Michigan

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Frequently asked questions

What is the Gera County Health Risk Index for Calhoun County, MI?
Calhoun County, MI has a Gera County Health Risk Index (GCHRI) of 66.3/100, ranking 27 out of 480 most-populous US counties (rank 1 = highest chronic-disease risk). This places it in the high-risk tier. Source: CDC PLACES (June 2026).
What is the obesity rate in Calhoun County?
The adult obesity prevalence in Calhoun County, MI is 42.5% (CDC PLACES, June 2026, crude prevalence). The national mean across the 480 included counties is 42.5%.
What is the diabetes rate in Calhoun County?
The diagnosed diabetes prevalence among adults in Calhoun County, MI is 13.3% (CDC PLACES, June 2026, crude prevalence).
What is the coronary heart disease rate in Calhoun County?
The coronary heart disease prevalence among adults in Calhoun County, MI is 7.6% (CDC PLACES, June 2026, crude prevalence).
What is the smoking rate in Calhoun County?
The current cigarette smoking prevalence among adults in Calhoun County, MI is 16.7% (CDC PLACES, June 2026, crude prevalence).

Concerned about health risks in Calhoun County?

A GeraClinic care navigator can help you understand what these CDC chronic-disease rates mean for you personally, assess your individual risk factors, and connect you with preventive-care resources — fully online.

Talk to a GeraClinic care navigatorHow the Gera County Health Risk Index is calculated

Contains public sector information published by U.S. Centers for Disease Control and Prevention (CDC) and licensed under the U.S. Public Domain (federal government work, 17 U.S.C. § 105). Source: CDC PLACES: Local Data for Better Health, County Data 2023 release (June 2026, published 2023 (released 2024)).

Informational/educational only — not a substitute for professional medical advice; a clinician interprets results.