County Data
Mercer County, New Jersey
Self-reliance and preparedness data for Mercer County
Relatively Moderate
Hazard Risk (15.1/100)
Moderate
Solar (3.9 kWh/m²/day)
Natural Hazard Risks in Mercer County
| Hazard | Risk Rating | Score |
|---|---|---|
| Strong Wind | Relatively High | 31.3 |
| Winter Weather | Relatively Moderate | 22.9 |
| Riverine Flooding | Relatively High | 19.5 |
| Heat Wave | Relatively High | 18.9 |
| Tornado | Relatively Moderate | 17.9 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 28°F |
Water & Energy
| Annual Precipitation | 6.9″ |
| Solar Potential | 3.9 kWh/m²/day |
| Wind Speed | 1.4 m/s |
| Soil Type | Sandy Loam |
Local Species
72
Edible species
34
Medicinal species
48
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Mercer County, New Jersey?
- Mercer County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Strong Wind, Winter Weather, Riverine Flooding. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Mercer County good for solar power?
- Mercer County has a moderate solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
- How many edible plants grow in Mercer County?
- Our database identifies 72 edible plant species in Mercer County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
- What is the autonomy score for Mercer County?
- Mercer County has an autonomy score of 48. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.