Ada County, Idaho
Low riskGera County Health Risk Index: 27.9/100 · National rank 427 of 480 · Population: 524,673 · CDC PLACES June 2026
What is the chronic-disease health risk in Ada County, Idaho?
As of June 2026, Ada County, Idaho has a Gera County Health Risk Index of 27.9/100 (national rank 427/480; low risk). Adult chronic-disease prevalence: obesity 29.0%, diabetes 9.0%, coronary heart disease 5.4%, smoking 10.4%. Source: CDC PLACES June 2026.
Chronic-disease prevalence — Ada County (CDC PLACES June 2026)
| Measure | Prevalence | Weight in GCHRI |
|---|---|---|
| Obesity | 29.0% | 25% |
| Diagnosed diabetes | 9.0% | 25% |
| Coronary heart disease | 5.4% | 30% |
| Current cigarette smoking | 10.4% | 20% |
| GCHRI composite score | 27.9 / 100 | — |
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Ada County, Idaho
Population: 524,673 · National rank: 427 / 480 (by chronic-disease risk)
Gera County Health Risk Index
27.9 / 100
Obesity
29.0%
adults
Diabetes
9.0%
adults
Heart Disease
5.4%
adults
Smoking
10.4%
adults
Source: CDC PLACES, June 2026 · Crude prevalence, adults · Full county page →
Other counties in Idaho
Frequently asked questions
- What is the Gera County Health Risk Index for Ada County, ID?
- Ada County, ID has a Gera County Health Risk Index (GCHRI) of 27.9/100, ranking 427 out of 480 most-populous US counties (rank 1 = highest chronic-disease risk). This places it in the low-risk tier. Source: CDC PLACES (June 2026).
- What is the obesity rate in Ada County?
- The adult obesity prevalence in Ada County, ID is 29.0% (CDC PLACES, June 2026, crude prevalence). The national mean across the 480 included counties is 29.0%.
- What is the diabetes rate in Ada County?
- The diagnosed diabetes prevalence among adults in Ada County, ID is 9.0% (CDC PLACES, June 2026, crude prevalence).
- What is the coronary heart disease rate in Ada County?
- The coronary heart disease prevalence among adults in Ada County, ID is 5.4% (CDC PLACES, June 2026, crude prevalence).
- What is the smoking rate in Ada County?
- The current cigarette smoking prevalence among adults in Ada County, ID is 10.4% (CDC PLACES, June 2026, crude prevalence).
Concerned about health risks in Ada 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.
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.