Johnson County Health Data
Johnson County, Iowa
CDC County Health RankingsHealth Score
95/100
Excellent
Life Expectancy
82.0 yr
Uninsured Rate
5.0%
Health Statistics
Life Expectancy
82.0 yr
State avg 77.7 yr
National avg 77.5 yr
Uninsured Rate
5.0%
State avg 5.7%
National avg 9%
Primary Care Providers
192
per 100K population
National avg 82
Mental Health Providers
479
per 100K population
National avg 350
Poor / Fair Health
13.4%
State avg 15.8%
National avg 19.6%
Healthcare Access
Primary Care Physicians
9.0
per 100K residentsCDC: 191.9 per 100K
Dentists
5.8
per 100K residents
Nurse Practitioners & PAs
6.5
per 100K residents
Provider counts from CMS NPPES (National Provider Identifier Registry). Data current as of 2026.
Chronic Disease & Behavioral Health
These prevalence estimates come from the CDC PLACES program (Population-Level Analysis and Community Estimates), which combines BRFSS survey data with statistical modeling to produce county-level rates. Estimates are age-adjusted to enable fair comparisons across counties with different age distributions. Use them to spot where Johnson County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Johnson | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 32.8% | 39.5% | 37.6% | 6.7 pts better than state |
| Diabetes | 9.7% | 9.8% | 11.2% | near state average |
| High Blood Pressure | 30.8% | 31.1% | 33.5% | near state average |
| Depression | 20.4% | 21.5% | 24.1% | 1.1 pts better than state |
Health-risk behaviors
| Measure | Johnson | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 12.3% | 16.2% | 16.3% | 3.9 pts better than state |
| Binge Drinking | 22.2% | 22.5% | 17.8% | near state average |
| Physical Inactivity | 19.2% | 25.1% | 27.0% | 5.9 pts better than state |
Preventive-care uptake
| Measure | Johnson | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 77.5% | 75.1% | 74.9% | 2.4 pts better than state |
| Dental Visit (past year) | 70.0% | 65.6% | 57.3% | 4.4 pts better than state |
| Mammography (women 50–74) | 81.6% | 77.4% | 73.3% | 4.2 pts better than state |
Daily-life impact
| Measure | Johnson | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 15.7% | 17.8% | 18.6% | 2.1 pts better than state |
| Short Sleep Duration | 30.8% | 33.7% | 37.3% | 2.9 pts better than state |
These rates are part of the CDC PLACES survey. Compare Johnson County nationally on obesity.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Johnson County Life Expectancy Reaches 82 Years, Surpassing State Norms
Health data brief for Johnson County, Iowa.
Johnson County residents have a life expectancy of 82.0 years, which is significantly higher than the Iowa average of 77.7 years and the national average of 77 years. The county also shows high provider density, with 192 primary care providers and 479 mental health providers per 100,000 residents. Both figures far exceed the national medians of 70 for primary care and 250 for mental health. The uninsured rate is 5.0%, lower than the state average of 5.7% and the national average of 10%. Furthermore, 13.4% of the population reports poor or fair health, a rate lower than the national average of 17%. These health outcome and provider metrics are based on data from the CDC and the HHS National Plan & Provider Enumeration System. See the CDC County Health Rankings methodology for information on data collection.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Johnson County, Iowa
Direct contact information for hospitals and community health resources serving this county. Hospital quality ratings come from CMS Care Compare — the federal program that measures hospital performance on safety, patient experience, and outcomes.
Hospitals near you
Compare all on Medicare.gov →Iowa City Va Medical Center
ERUniversity of Iowa Health Care Medical Center Down
ERUniversity of Iowa Hospital & Clinics
EReHealth Insurance
Compare health insurance plans from top carriers for Johnson County residents.
Compare Plans →Sponsored
Frequently Asked Questions
What is the health ranking of Johnson County, IA?
What is the life expectancy in Johnson County?
How does Johnson County health compare to the Iowa average?
What health factors affect Johnson County?
Is Johnson County a healthy place to live?
Why is Johnson County healthier than the Iowa average?
Counties with Similar Health Profile
Data Sources
Health data sourced from the County Health Rankings & Roadmaps, a collaboration between the Robert Wood Johnson Foundation and the University of Wisconsin Population Health Institute.
Data is informational only. Not medical or health advice. Coverage varies by county and reporting year.