Mariposa County Health Data

Mariposa County, California

CDC County Health Rankings

Health Score

67/100

Average

Life Expectancy

78.3 yr

Uninsured Rate

6.7%

Health Statistics

Life Expectancy

78.3 yr

State avg 78.5 yr

National avg 77.5 yr

Uninsured Rate

6.7%

State avg 7.2%

National avg 9%

Primary Care Providers

23

per 100K population

National avg 82

Mental Health Providers

337

per 100K population

National avg 350

Poor / Fair Health

19.9%

State avg 18.9%

National avg 19.6%

Healthcare Access

Primary Care Physicians

11.7

per 100K residentsCDC: 23.3 per 100K

Dentists

23.4

per 100K residents

Nurse Practitioners & PAs

23.4

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 Mariposa County differs most from state and national norms.

Most prevalent chronic conditions

MeasureMariposaState avgNational avgVs state
Obesity30.9%30.0%37.6%0.9 pts worse than state
Diabetes9.4%10.3%11.2%0.9 pts better than state
High Blood Pressure29.0%29.3%33.5%near state average
Depression25.0%22.7%24.1%2.3 pts worse than state

Health-risk behaviors

MeasureMariposaState avgNational avgVs state
Current Cigarette Smoking13.3%12.6%16.3%0.7 pts worse than state
Binge Drinking19.1%17.6%17.8%1.5 pts worse than state
Physical Inactivity22.0%24.1%27.0%2.1 pts better than state

Preventive-care uptake

MeasureMariposaState avgNational avgVs state
Annual Routine Checkup69.7%70.0%74.9%near state average
Dental Visit (past year)59.4%61.3%57.3%1.9 pts worse than state
Mammography (women 50–74)67.8%74.3%73.3%6.5 pts worse than state

Daily-life impact

MeasureMariposaState avgNational avgVs state
Frequent Mental Distress19.3%18.3%18.6%1.0 pts worse than state
Short Sleep Duration35.5%35.3%37.3%near state average

These rates are part of the CDC PLACES survey. Compare Mariposa 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

Mariposa County Primary Care Provider Ratio Lags National Median

Health data brief for Mariposa County, California.

By Logan Johnson, Founder & Data EditorPublished Reviewed by Logan Johnson, Founder & Data Editor
Lead metric:Primary care access

Mariposa County has 23 primary care providers per 100,000 residents. This is less than a third of the national median of 70 providers. The county's life expectancy is 78.3 years, which is higher than the national average of 77 and nearly equal to the state average of 78.5. The uninsured rate is 6.7%, lower than the California average of 7.2%. Approximately 19.9% of residents report poor or fair health, which is higher than the national average of 17%. Mental health provider access is 337 per 100,000, exceeding the national median of 250. Explore state-level data.

Get Care in Mariposa County, California

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.

John C Fremont Healthcare District

ER
Not rated by CMS
(209) 966-3631
5189 Hospital Road, Mariposa, CA 95338
Critical Access HospitalsGovernment - Hospital District or Authority

Sources: Hospital data: CMS Care Compare. Quality ratings: Centers for Medicare & Medicaid Services. Community health center directory: HRSA. Last reviewed 2026-05-14.

Information is for general guidance only and is not medical advice. Always call ahead to confirm services, hours, and insurance accepted. In a medical emergency, dial 911.

eHealth Insurance

Compare health insurance plans from top carriers for Mariposa County residents.

Compare Plans →

HealthMarkets

Licensed agents for health, Medicare, and supplemental insurance in California.

Get a Quote →

Sponsored

Frequently Asked Questions

What is the health ranking of Mariposa County, CA?
Mariposa County has a health score of 67/100, rated "Average." It ranks #30 out of 58 counties in California (1 = healthiest). The score is based on CDC County Health Rankings data, combining life expectancy, uninsured rates, provider access, and behavioral health indicators.
What is the life expectancy in Mariposa County?
Life expectancy in Mariposa County is 78.3 years. The California state average is 78.5 years, making Mariposa County below the state average.
How does Mariposa County health compare to the California average?
Mariposa County's health score of 67/100 is above the California average of 67/100. Life expectancy is 78.3 years vs. the state average of 78.5 years. The uninsured rate is 6.7% vs. 7.2% statewide.
What health factors affect Mariposa County?
Key health factors for Mariposa County include: life expectancy (78.3 years), uninsured rate (6.7%), and primary care physician access (23:1 (population to primary care physicians)). Mental health provider access is 337:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Mariposa County a healthy place to live?
With a health score of 67/100 ("Average"), Mariposa County has average health outcomes compared to other counties in California. Residents have a life expectancy of 78.3 years. 6.7% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
Why is Mariposa County healthier than the California average?
Mariposa County's health score of 67/100 exceeds the California average of 67/100. Higher health scores often correlate with better access to healthcare providers, lower uninsured rates, higher median incomes, and environmental factors. Mariposa County has better primary care access (23:1 ratio) than the state average (69:1).

Counties with Similar Health Profile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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.