FEMA rates relative riverine flooding risk for Linn County as relatively high and reports FEMA annualized frequency of 2.500 per year for the area.
FEMA summary
FEMA's profile for Linn County reports FEMA annualized frequency of 2.500 per year for riverine flooding. FEMA's relative risk rating for the area is relatively high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for Linn County.
Riverine Flooding
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
99.1/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Linn County. It is not an estimate for a home or address.
City risk summary
For Cedar Rapids, FEMA rates riverine flooding risk for Linn County as relatively high, with a relative score of 99.1/100. The next highest relative scores are strong wind at 97.0/100 and tornado at 95.6/100.
Using FEMA data for Linn County, Cedar Rapids is #1 among 6 covered Iowa entries for riverine flooding risk. Iowa City is about 23 straight-line miles from the Cedar Rapids map point; its FEMA figures cover Johnson County.
For homeowners and movers
Preparedness actions
Living in Cedar Rapids? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Cedar Rapids. All FEMA figures on this page cover Linn County.
The FEMA figures cover Linn County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative riverine flooding risk for Linn County as relatively high. Its FEMA annualized frequency is 2.500 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 6 Iowa cities covered by this directory, Cedar Rapids is #1 for relative riverine flooding risk based on FEMA's score for Linn County. Homes within Cedar Rapids can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Linn County, the highest relative ratings are Riverine Flooding (Relatively High), Strong Wind (Relatively High), and Tornado (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Linn County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Linn County an overall relative risk rating of relatively moderate. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Riverine Flooding rating | Relative score |
|---|---|---|---|
| Iowa City, IA | 23 mi | Relatively High | 98.0 |
| Waterloo, IA | 50 mi | Relatively Moderate | 93.1 |
| Davenport, IA | 62 mi | Relatively Moderate | 92.1 |
Limited to products tagged for riverine flooding or general preparedness.
Disclosure: As an Amazon Associate, this site may earn from qualifying purchases.
Water
Filters up to 100,000 gallons. Essential when tap water is compromised.
View product
GoBag
Keeps critical documents and electronics dry if you have to evacuate through water.
View product
Tools
18 tools in one. Essential for turning off gas valves or making repairs.
View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.