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Sussex County, Delaware

High risk

Gera County Health Risk Index: 61.9/100 · National rank 43 of 480 · Population: 263,509 · CDC PLACES June 2026

What is the chronic-disease health risk in Sussex County, Delaware?

As of June 2026, Sussex County, Delaware has a Gera County Health Risk Index of 61.9/100 (national rank 43/480; high risk). Adult chronic-disease prevalence: obesity 33.8%, diabetes 14.2%, coronary heart disease 9.1%, smoking 14.0%. 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 Index61.9 / 100Rank 43 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 — Sussex County (CDC PLACES June 2026)

Sussex County, Delaware — CDC PLACES June 2026 crude prevalence (adults)
MeasurePrevalenceWeight in GCHRI
Obesity33.8%25%
Diagnosed diabetes14.2%25%
Coronary heart disease9.1%30%
Current cigarette smoking14.0%20%
GCHRI composite score61.9 / 100—

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

Sussex County, Delaware

Population: 263,509 · National rank: 43 / 480 (by chronic-disease risk)

High risk

Gera County Health Risk Index

61.9 / 100

Obesity

33.8%

adults

Diabetes

14.2%

adults

Heart Disease

9.1%

adults

Smoking

14.0%

adults

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

Other counties in Delaware

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Frequently asked questions

What is the Gera County Health Risk Index for Sussex County, DE?
Sussex County, DE has a Gera County Health Risk Index (GCHRI) of 61.9/100, ranking 43 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 Sussex County?
The adult obesity prevalence in Sussex County, DE is 33.8% (CDC PLACES, June 2026, crude prevalence). The national mean across the 480 included counties is 33.8%.
What is the diabetes rate in Sussex County?
The diagnosed diabetes prevalence among adults in Sussex County, DE is 14.2% (CDC PLACES, June 2026, crude prevalence).
What is the coronary heart disease rate in Sussex County?
The coronary heart disease prevalence among adults in Sussex County, DE is 9.1% (CDC PLACES, June 2026, crude prevalence).
What is the smoking rate in Sussex County?
The current cigarette smoking prevalence among adults in Sussex County, DE is 14.0% (CDC PLACES, June 2026, crude prevalence).

Concerned about health risks in Sussex 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.