Rock County Health Data
Rock County, Wisconsin
CDC County Health RankingsHealth Score
72/100
Average
Life Expectancy
76.3 yr
Uninsured Rate
6.6%
Health Statistics
Life Expectancy
76.3 yr
State avg 77.8 yr
National avg 77.5 yr
Uninsured Rate
6.6%
State avg 7.0%
National avg 9%
Primary Care Providers
51
per 100K population
National avg 82
Mental Health Providers
228
per 100K population
National avg 350
Poor / Fair Health
15.8%
State avg 16.2%
National avg 19.6%
Healthcare Access
Primary Care Physicians
12.8
per 100K residentsCDC: 51.1 per 100K
Dentists
10.4
per 100K residents
Nurse Practitioners & PAs
7.3
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 Rock County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Rock | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 41.7% | 38.9% | 37.6% | 2.8 pts worse than state |
| Diabetes | 10.3% | 9.7% | 11.2% | 0.6 pts worse than state |
| High Blood Pressure | 29.3% | 29.5% | 33.5% | near state average |
| Depression | 24.1% | 24.6% | 24.1% | near state average |
Health-risk behaviors
| Measure | Rock | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 14.9% | 15.5% | 16.3% | 0.6 pts better than state |
| Binge Drinking | 18.7% | 21.4% | 17.8% | 2.7 pts better than state |
| Physical Inactivity | 28.4% | 27.0% | 27.0% | 1.4 pts worse than state |
Preventive-care uptake
| Measure | Rock | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 74.5% | 74.7% | 74.9% | near state average |
| Dental Visit (past year) | 63.6% | 64.7% | 57.3% | 1.1 pts worse than state |
| Mammography (women 50–74) | 73.6% | 78.2% | 73.3% | 4.6 pts worse than state |
Daily-life impact
| Measure | Rock | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 17.0% | 17.3% | 18.6% | near state average |
| Short Sleep Duration | 38.2% | 34.1% | 37.3% | 4.1 pts worse than state |
These rates are part of the CDC PLACES survey. Compare Rock County nationally on mammography (women 50–74).
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Rock County mental health provider ratio reaches 228
Health data brief for Rock County, Wisconsin.
Rock County maintains a mental health provider ratio of 228 per 100,000 residents, which is higher than many surrounding counties but remains lower than the national median of 250. The life expectancy in the county is 76.3 years, lower than the Wisconsin state average of 77.8 years and the national average of 77 years. Health reports indicate 15.8% of adults in the county experience poor or fair health, a rate lower than the national average of 17%. The uninsured rate for the county is 6.6%, which is lower than the Wisconsin average of 7.0% and the national average of 10%. Primary care provider availability is recorded at 51 per 100,000 residents, lower than the national median of 70. These statistics come from current federal health monitoring systems. Explore state-level data.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Rock County, Wisconsin
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 →Ssm Health St Mary's Hospital - Janesville
ERMercy Health System Corp
ERBeloit Health System
EReHealth Insurance
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Frequently Asked Questions
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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.