U.S. Flood Risk Map by ZIP Code
发布时间:2026-09-12 | 浏览:1
FEMA special flood hazard area
FEMA NFHL SFHA coverage by ZCTA. Not a property-level flood determination.
01 Find Pan the national map or use the search box above for a ZIP, city, county, or state.
Pan the national map or use the search box above for a ZIP, city, county, or state.
02 Compare At the U.S. level, states are colored by the theme metric (median, total, or vote share). Read the legend above the map.
At the U.S. level, states are colored by the theme metric (median, total, or vote share). Read the legend above the map.
03 Drill down Click a state to load ZIP boundaries with heat colors and labeled values for that state.
Click a state to load ZIP boundaries with heat colors and labeled values for that state.
04 Open Click any ZIP to open its KnowTheZip report on the matching section (flood, taxes, elections, and more).
Click any ZIP to open its KnowTheZip report on the matching section (flood, taxes, elections, and more).
National state view
The first screen colors every state by this theme’s metric. Hover a state for a quick summary, then click to zoom into its ZIPs.
Search anywhere
Jump directly to a ZIP code, city, county, or state. The map pans and zooms to your selection.
The bar above the map explains the scale — sequential, diverging (elections), or log-scaled (pollution, business).
ZIP labels & values
After you select a state, each ZIP shows its code and the local metric. Zoom in for dense metro areas.
Deep-link to reports
Click a ZIP to open the full area report scrolled to the relevant panel — flood risk, sales tax, noise, and more.
Use zoom (+/−), switch road vs. satellite basemap, or enter fullscreen from the controls on the map.
Zoom out to reset
Zoom out past the state detail view to return to the national choropleth and pick another state.
Thematic maps are for exploration and education only. Values come from the same sources as KnowTheZip ZIP reports but are not property-level determinations. Verify critical decisions with official agencies and licensed professionals.
ZIP Map U.S. ZIP Code Map Explore Every Area
Electricity map U.S. Electricity Rates Map Residential ¢/kWh
Election map U.S. Presidential Election Map 2024 County Results
Sales tax map U.S. Sales Tax Map Combined Rate by ZIP
Pollution map U.S. Industrial Pollution Map EPA TRI Facilities
Noise map U.S. Transportation Noise Map DOT Combined LAeq
Business map U.S. Business Density Map Mapped Places
Broadband map U.S. Broadband Speed Map Fixed Download Mbps
How to use this map
Find. Pan the national map or use the search box above for a ZIP, city, county, or state.
Compare. At the U.S. level, states are colored by the theme metric (median, total, or vote share). Read the legend above the map.
Drill down. Click a state to load ZIP boundaries with heat colors and labeled values for that state.
Open. Click any ZIP to open its KnowTheZip report on the matching section (flood, taxes, elections, and more).
National state view — The first screen colors every state by this theme’s metric. Hover a state for a quick summary, then click to zoom into its ZIPs.
Search anywhere — Jump directly to a ZIP code, city, county, or state. The map pans and zooms to your selection.
Color legend — The bar above the map explains the scale — sequential, diverging (elections), or log-scaled (pollution, business).
ZIP labels & values — After you select a state, each ZIP shows its code and the local metric. Zoom in for dense metro areas.
Deep-link to reports — Click a ZIP to open the full area report scrolled to the relevant panel — flood risk, sales tax, noise, and more.
Map controls — Use zoom (+/−), switch road vs. satellite basemap, or enter fullscreen from the controls on the map.
Zoom out to reset — Zoom out past the state detail view to return to the national choropleth and pick another state.
U.S. ZIP Code Map — Explore Every Area
U.S. Electricity Rates Map — Residential ¢/kWh
U.S. Presidential Election Map — 2024 County Results
U.S. Sales Tax Map — Combined Rate by ZIP
U.S. Industrial Pollution Map — EPA TRI Facilities
U.S. Transportation Noise Map — DOT Combined LAeq
U.S. Business Density Map — Mapped Places
U.S. Broadband Speed Map — Fixed Download Mbps