Skip to main content
Know Your Ground

County Data

Linn County, Iowa

Self-reliance and preparedness data for Linn County

Relatively Moderate

Hazard Risk (15.5/100)

Moderate

Solar (4.0 kWh/m²/day)

Natural Hazard Risks in Linn County

HazardRisk RatingScore
Cold WaveRelatively Moderate25.8
Riverine FloodingRelatively High23.7
TornadoRelatively Moderate22.5
Strong WindRelatively Moderate17.1
LightningRelatively Low15.3

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

Climate Profile

Temperature & Growing Season

January Avg15°F

Water & Energy

Annual Precipitation2.6
Solar Potential4.0 kWh/m²/day
Wind Speed3.2 m/s
Soil TypeSilt Loam

Local Species

60

Edible species

25

Medicinal species

49

Autonomy Score

Get Your Linn County Guide

Enter any zip code in Linn 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 Linn County, Iowa?
Linn County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Cold Wave, Riverine Flooding, Tornado. Each hazard is scored 0–100 by likelihood and expected impact.
Is Linn County good for solar power?
Linn 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 Linn County?
Our database identifies 60 edible plant species in Linn 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 Linn County?
Linn County has an autonomy score of 49. 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 Iowa