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Onslow County, North Carolina

Low risk

Gera County Health Risk Index: 32.8/100 · National rank 384 of 480 · Population: 213,676 · CDC PLACES June 2026

What is the chronic-disease health risk in Onslow County, North Carolina?

As of June 2026, Onslow County, North Carolina has a Gera County Health Risk Index of 32.8/100 (national rank 384/480; low risk). Adult chronic-disease prevalence: obesity 33.4%, diabetes 8.6%, coronary heart disease 4.7%, smoking 13.3%. 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 Index32.8 / 100Rank 384 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 — Onslow County (CDC PLACES June 2026)

Onslow County, North Carolina — CDC PLACES June 2026 crude prevalence (adults)
MeasurePrevalenceWeight in GCHRI
Obesity33.4%25%
Diagnosed diabetes8.6%25%
Coronary heart disease4.7%30%
Current cigarette smoking13.3%20%
GCHRI composite score32.8 / 100—

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

Onslow County, North Carolina

Population: 213,676 · National rank: 384 / 480 (by chronic-disease risk)

Low risk

Gera County Health Risk Index

32.8 / 100

Obesity

33.4%

adults

Diabetes

8.6%

adults

Heart Disease

4.7%

adults

Smoking

13.3%

adults

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

Other counties in North Carolina

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Frequently asked questions

What is the Gera County Health Risk Index for Onslow County, NC?
Onslow County, NC has a Gera County Health Risk Index (GCHRI) of 32.8/100, ranking 384 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 Onslow County?
The adult obesity prevalence in Onslow County, NC is 33.4% (CDC PLACES, June 2026, crude prevalence). The national mean across the 480 included counties is 33.4%.
What is the diabetes rate in Onslow County?
The diagnosed diabetes prevalence among adults in Onslow County, NC is 8.6% (CDC PLACES, June 2026, crude prevalence).
What is the coronary heart disease rate in Onslow County?
The coronary heart disease prevalence among adults in Onslow County, NC is 4.7% (CDC PLACES, June 2026, crude prevalence).
What is the smoking rate in Onslow County?
The current cigarette smoking prevalence among adults in Onslow County, NC is 13.3% (CDC PLACES, June 2026, crude prevalence).

Concerned about health risks in Onslow 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.