Mariposa County, California

Natural Hazard Risk Assessment — Population: 17,060

86.4NRI
Relatively Moderate

Overall Risk Rating

👥

Population

17,060

🏠

Building Value

$5.0B

💰

Annual Hazard Loss

$38.1M

⚠️

Hazards Tracked

14

Natural Hazard Risk Profile

⛰️

Landslide

Relatively High
Annual Loss$1.7M
Risk Score99.5
🔥

Wildfire

Relatively High
Annual Loss$15.4M
Risk Score99.0
🌡️

Heat Wave

Relatively High
Annual Loss$11.2M
Risk Score98.4

Winter Weather

Relatively Moderate
Annual Loss$113K
Risk Score77.1
☀️

Drought

Relatively Moderate
Annual Loss$448K
Risk Score75.5
🌊

Riverine Flooding

Relatively Low
Annual Loss$8.4M
Risk Score70.8

Lightning

Relatively Moderate
Annual Loss$302K
Risk Score69.2
🏔️

Earthquake

Relatively Low
Annual Loss$433K
Risk Score67.5
Show all 14 hazards
🌋

Volcanic Activity

Very Low
Annual Loss$17
Risk Score58.6
🏔️

Avalanche

Very Low
Annual Loss$171
Risk Score40.5
💨

Strong Wind

Very Low
Annual Loss$50K
Risk Score10.8
🧊

Hail

Very Low
Annual Loss$12K
Risk Score6.6
🌪️

Tornado

Very Low
Annual Loss$18K
Risk Score6.4
🥶

Cold Wave

No Rating
Annual Loss$0
Risk Score0.0

Mariposa County vs. National Average

🎯 Overall Risk

86.4+37.7 vs avg

National avg: 48.7

🔥 Wildfire Risk

99.0+50.3 vs avg

National avg: 48.7

👥 Social Vulnerability

93.0+43.8 vs avg

National avg: 49.2

🛡️ Community Resilience

21.3-27.4 vs avg

National avg: 48.7

Community Profile

Social Vulnerability

93.0

Very High

Higher scores indicate greater social vulnerability to natural hazards.

Community Resilience

21.3

Relatively Low

Higher scores indicate better ability to prepare for, adapt to, and recover from hazards.

🔥 Wildfire Insurance Notice

Mariposa County has relatively high wildfire risk. Homeowners should verify adequate fire coverage with their insurance provider. Standard policies may not fully cover wildfire damage in high-risk areas.

Frequently Asked Questions

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Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.