Washtenaw County Health Data
Washtenaw County, Michigan
CDC County Health RankingsHealth Score
96/100
Excellent
Life Expectancy
80.5 yr
Uninsured Rate
4.3%
Health Statistics
Life Expectancy
80.5 yr
State avg 76.3 yr
National avg 77.5 yr
Uninsured Rate
4.3%
State avg 6.4%
National avg 9%
Primary Care Providers
178
per 100K population
National avg 82
Mental Health Providers
762
per 100K population
National avg 350
Poor / Fair Health
13.1%
State avg 16.8%
National avg 19.6%
Healthcare Access
Primary Care Physicians
99.4
per 100K residentsCDC: 177.6 per 100K
Dentists
5.7
per 100K residents
Nurse Practitioners & PAs
97.2
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 Washtenaw County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Washtenaw | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 29.0% | 38.0% | 37.6% | 9.0 pts better than state |
| Diabetes | 8.6% | 10.1% | 11.2% | 1.5 pts better than state |
| High Blood Pressure | 28.3% | 32.5% | 33.5% | 4.2 pts better than state |
| Depression | 26.7% | 28.4% | 24.1% | 1.7 pts better than state |
Health-risk behaviors
| Measure | Washtenaw | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 10.8% | 16.5% | 16.3% | 5.7 pts better than state |
| Binge Drinking | 18.0% | 18.4% | 17.8% | near state average |
| Physical Inactivity | 16.5% | 24.5% | 27.0% | 8.0 pts better than state |
Preventive-care uptake
| Measure | Washtenaw | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 77.0% | 77.4% | 74.9% | near state average |
| Dental Visit (past year) | 71.9% | 66.2% | 57.3% | 5.7 pts better than state |
| Mammography (women 50–74) | 77.9% | 75.0% | 73.3% | 2.9 pts better than state |
Daily-life impact
| Measure | Washtenaw | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 15.8% | 19.5% | 18.6% | 3.7 pts better than state |
| Short Sleep Duration | 28.7% | 34.8% | 37.3% | 6.1 pts better than state |
These rates are part of the CDC PLACES survey. Compare Washtenaw County nationally on obesity.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Washtenaw County Mental Health Provider Ratio Triple National Median
Health data brief for Washtenaw County, Michigan.
Washtenaw County reports 762 mental health providers for every 100,000 residents, a figure roughly triple the national median of 250. Access to clinical care is also reflected in the primary care ratio, which is 178 per 100,000 residents, more than double the national median of 70. The county’s life expectancy is 80.5 years, exceeding both the Michigan state average of 76.3 years and the national average of 77 years. Additionally, the uninsured rate is 4.3%, which is lower than the 6.4% state average and the 10% national average. Health data indicates that 13.1% of adults report poor or fair health, compared to the national average of 17%. Explore state-level data.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Washtenaw County, Michigan
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 →Va Ann Arbor Healthcare System
ERUniversity of Michigan Health System
ERTrinity Health Ann Arbor Hospital
EReHealth Insurance
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Frequently Asked Questions
What is the health ranking of Washtenaw County, MI?
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Why is Washtenaw County healthier than the Michigan average?
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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.