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How much of this ZIP floods?

FEMA's National Flood Hazard Layer, the effective flood insurance rate maps, downloaded county by county. A ZIP is scored by the share of its residents whose 2020 census block center falls inside the 1% annual chance floodplain, with the land share and the 0.2% zone on the card.

1,189 of 1,233 ZIPs have data; median 2%.

No residents in the floodplain · 314 Under 2% of residents · 307 2 to 5% · 256 5 to 10% · 172 10 to 20% · 91 20% or more · 49 No data · 44

Highest and lowest

Highest

  1. 45642 · Newton Township and Jasper100%
  2. 45156 · Neville100%
  3. 45112 · Chilo100%
  4. 45848 · Glandorf98%
  5. 43926 · Empire92%
  6. 45636 · Green Township and Haverhill89%
  7. 43961 · Stratton86%
  8. 45301 · Beavercreek and Alpha65%
  9. 45716 · Buchtel64%
  10. 43322 · Green Camp60%
  11. 43717 · Belle Valley59%
  12. 45719 · Chauncey58%
  13. 43733 · Valley Township and Derwent54%
  14. 45859 · Mcguffey and Mc Guffey54%
  15. 45131 · Higginsport48%

Lowest

  1. 43002 · Columbus and Amlin0%
  2. 43007 · Taylor Township and Broadway0%
  3. 43009 · Wayne Township and Cable0%
  4. 43010 · Catawba0%
  5. 43018 · Etna Township and Etna0%
  6. 43030 · Licking Township and Jacksontown0%
  7. 43032 · Brown Township and Kilbourne0%
  8. 43037 · Clay Township and Martinsburg0%
  9. 43047 · Wayne Township and Mingo0%
  10. 43070 · Adams Township and Rosewood0%
  11. 43077 · Unionville Center0%
  12. 43084 · Rush Township and Woodstock0%
  13. 43101 · Adelphi0%
  14. 43109 · Brice0%
  15. 43116 · Commercial Point0%

Source

FEMA National Flood Hazard Layer, flood hazard zones, fetched 2026-09-08; OpenFEMA NFIP redacted claims for Ohio (frozen June 2026), by reported ZIP; USGS NWIS annual peak flows for the nearest active stream gauge; NOAA Atlas 14 precipitation frequency estimates (partial duration series) at the ZIP center; OpenFEMA NFIP policies in force by reported ZIP (OpenFEMA NfipPolicies v3, policies in force as of September 2026); FEMA National Flood Hazard Layer levee centerlines and floodwalls; FEMA National Flood Hazard Layer flood hazard zone boundaries, generalized to about 44 m, drawn as a map overlay; OpenFEMA NFIP Community Status Book (participation, sanctions, Community Rating System class)

FEMA flood hazard layer · FEMA Map Service Center · OpenFEMA · NOAA Atlas 14 · USGS stream gauges

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Cite this page as:

Cracked Buckeye (Open Shower Co), "Flood", https://crackedbuckeye.com/topics/flood/, built 2026-09-16, accessed [date].

Machine-readable: /api/topics/flood.json (open JSON, CC BY 4.0 for the compilation; the underlying records keep their own terms) · How to cite · Report a correction · Built 2026-09-16