Skip to main content
Know Your Ground

County Data

Mercer County, Ohio

Self-reliance and preparedness data for Mercer County

Very Low

Hazard Risk (6.6/100)

Moderate

Solar (3.9 kWh/m²/day)

Natural Hazard Risks in Mercer County

HazardRisk RatingScore
TornadoRelatively Low12.4
Cold WaveRelatively Low12.2
Strong WindRelatively Low11.2
Winter WeatherRelatively Low10.4
Riverine FloodingRelatively Low8.8

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg19°F

Water & Energy

Annual Precipitation3.2
Solar Potential3.9 kWh/m²/day
Wind Speed3.2 m/s
Soil TypeSilt Loam

Local Species

60

Edible species

25

Medicinal species

50

Autonomy Score

Get Your Mercer County Guide

Enter any zip code in Mercer County for a full location-specific guide with planting calendars, foraging data, water strategy, and personalized action plans.

Full guide from $14.99 — printable, offline-ready

Frequently Asked Questions

What are the biggest natural hazards in Mercer County, Ohio?
Mercer County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Tornado, Cold Wave, Strong Wind. 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 60 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 50. 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.

Other Counties in Ohio