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Bristol County, Massachusetts

Moderate risk

Gera County Health Risk Index: 47.8/100 · National rank 198 of 480 · Population: 581,841 · CDC PLACES June 2026

What is the chronic-disease health risk in Bristol County, Massachusetts?

As of June 2026, Bristol County, Massachusetts has a Gera County Health Risk Index of 47.8/100 (national rank 198/480; moderate risk). Adult chronic-disease prevalence: obesity 32.1%, diabetes 10.8%, coronary heart disease 6.8%, smoking 15.8%. 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 Index47.8 / 100Rank 198 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 — Bristol County (CDC PLACES June 2026)

Bristol County, Massachusetts — CDC PLACES June 2026 crude prevalence (adults)
MeasurePrevalenceWeight in GCHRI
Obesity32.1%25%
Diagnosed diabetes10.8%25%
Coronary heart disease6.8%30%
Current cigarette smoking15.8%20%
GCHRI composite score47.8 / 100—

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

Bristol County, Massachusetts

Population: 581,841 · National rank: 198 / 480 (by chronic-disease risk)

Moderate risk

Gera County Health Risk Index

47.8 / 100

Obesity

32.1%

adults

Diabetes

10.8%

adults

Heart Disease

6.8%

adults

Smoking

15.8%

adults

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

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Frequently asked questions

What is the Gera County Health Risk Index for Bristol County, MA?
Bristol County, MA has a Gera County Health Risk Index (GCHRI) of 47.8/100, ranking 198 out of 480 most-populous US counties (rank 1 = highest chronic-disease risk). This places it in the moderate-risk tier. Source: CDC PLACES (June 2026).
What is the obesity rate in Bristol County?
The adult obesity prevalence in Bristol County, MA is 32.1% (CDC PLACES, June 2026, crude prevalence). The national mean across the 480 included counties is 32.1%.
What is the diabetes rate in Bristol County?
The diagnosed diabetes prevalence among adults in Bristol County, MA is 10.8% (CDC PLACES, June 2026, crude prevalence).
What is the coronary heart disease rate in Bristol County?
The coronary heart disease prevalence among adults in Bristol County, MA is 6.8% (CDC PLACES, June 2026, crude prevalence).
What is the smoking rate in Bristol County?
The current cigarette smoking prevalence among adults in Bristol County, MA is 15.8% (CDC PLACES, June 2026, crude prevalence).

Concerned about health risks in Bristol 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.