Skip to main content

Black Hawk County, Iowa

High risk

Gera County Health Risk Index: 55.2/100 · National rank 96 of 480 · Population: 130,471 · CDC PLACES June 2026

What is the chronic-disease health risk in Black Hawk County, Iowa?

As of June 2026, Black Hawk County, Iowa has a Gera County Health Risk Index of 55.2/100 (national rank 96/480; high risk). Adult chronic-disease prevalence: obesity 40.4%, diabetes 11.6%, coronary heart disease 6.5%, smoking 15.6%. 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 Index55.2 / 100Rank 96 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 — Black Hawk County (CDC PLACES June 2026)

Black Hawk County, Iowa — CDC PLACES June 2026 crude prevalence (adults)
MeasurePrevalenceWeight in GCHRI
Obesity40.4%25%
Diagnosed diabetes11.6%25%
Coronary heart disease6.5%30%
Current cigarette smoking15.6%20%
GCHRI composite score55.2 / 100—

Check another county's health risk

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

Black Hawk County, Iowa

Population: 130,471 · National rank: 96 / 480 (by chronic-disease risk)

High risk

Gera County Health Risk Index

55.2 / 100

Obesity

40.4%

adults

Diabetes

11.6%

adults

Heart Disease

6.5%

adults

Smoking

15.6%

adults

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

Other counties in Iowa

← View all 480 counties

Frequently asked questions

What is the Gera County Health Risk Index for Black Hawk County, IA?
Black Hawk County, IA has a Gera County Health Risk Index (GCHRI) of 55.2/100, ranking 96 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 Black Hawk County?
The adult obesity prevalence in Black Hawk County, IA is 40.4% (CDC PLACES, June 2026, crude prevalence). The national mean across the 480 included counties is 40.4%.
What is the diabetes rate in Black Hawk County?
The diagnosed diabetes prevalence among adults in Black Hawk County, IA is 11.6% (CDC PLACES, June 2026, crude prevalence).
What is the coronary heart disease rate in Black Hawk County?
The coronary heart disease prevalence among adults in Black Hawk County, IA is 6.5% (CDC PLACES, June 2026, crude prevalence).
What is the smoking rate in Black Hawk County?
The current cigarette smoking prevalence among adults in Black Hawk County, IA is 15.6% (CDC PLACES, June 2026, crude prevalence).

Concerned about health risks in Black Hawk 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.