Flood Insurance DataFlood insurance › Idaho

NFIP records · Idaho · policies as of July 31, 2026

Flood insurance in Idaho

What policyholders here actually pay, what floods have paid out, and how to pay less, from public federal records.

$1,022
Median / yr
$85
Per month
$739–$1,297
Middle half
41.8%
Pay under FEMA's full-risk price

That is 3% below the U.S. median of $1,055; 25th lowest of 51 states.

This is what existing single-family policies cost — not a quote. Your own premium depends on your building, coverage and elevation.

Check your address on FEMA's flood map →

Your flood zone is set at your exact address and drives your price and whether coverage is required. Look it up first, then read your zone's row in "What does it cost in my flood zone?" below.

Built from all 4,376 in-force NFIP policy records and 1,116 claim records FEMA publishes for Idaho, downloaded October 25, 2026 and matched to FEMA's own count, none missing. Download the figures on this page (CSV) · How we check them

Is my quote or renewal normal here?

Type your yearly flood cost (premium plus fees, as on your bill) to see where it sits among Idaho's existing single-family policies. This is a comparison, not a quote.

Enter an amount above.

Am I required to carry it?

Only if your home is in a high-risk zone (A or V) and your mortgage is from a federally regulated lender, or federal help to buy or build (42 U.S.C. §4012a). Check your zone on FEMA's flood map.

73.4% of Idaho's NFIP policies are in high-risk zones (not 73.4% of all buildings, and not an answer about your own home).

Flood zonePoliciesShare
Zone AE (high-risk)2,50951.7%
Zone X1,18624.4%
Zone AO (high-risk)4459.2%
Zone A (high-risk)4288.8%
Zone C841.7%
Other or unclassified zones1994.1%

Insured units by the flood zone each policy is rated in (a condo-building policy counts each unit). Outside those zones the federal requirement drops, but a lender can still require coverage.

Source: FEMA OpenFEMA — NFIP Policies. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Source: govinfo.gov, federalreserve.gov (official pages, checked October 25, 2026). Not endorsed by FEMA.

I'm outside the high-risk zone. Do floods happen there?

Yes. 37.4% of the flood-insurance claim money paid in Idaho went to homes outside the high-risk zones, which hold 26.6% of policies here: at least as much per policy as inside the high-risk zone.

Outside those zones the federal requirement drops, but a lender can still require coverage. Insured claims only, by each policy's rated zone.

Source: FEMA OpenFEMA — NFIP Claims; FEMA OpenFEMA — NFIP Policies. Data effective claims 1978–2026; policies July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

How much does it cost here?

Typically about $1,022 a year ($85 a month), fees included. Half of homeowners here pay between $739 and $1,297. To check a quote, use the checker at the top.

Low end $739 · Typical $1,022 · High end $1,297 · Top 10% pay $1,734 or more

Each policy's annual cost (premium plus the federal policy fee, reserve fund assessment and HFIAA surcharge), single-family primary residences. The bar is the middle half of policies, from 2,814 single-family primary-home policies.

Coverage in force: $1.1 billion of building and $252.4 million of contents coverage across all Idaho policies.

Source: FEMA OpenFEMA — NFIP Policies. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

How do I actually get covered — and how fast?

Buy it now: most policies start 30 days after you buy, but there's no wait if you buy it with a new or refinanced mortgage.

  • Waiting period30 days
  • Bought with a new or refinanced mortgageNo wait
  • NFIP building limit$250,000
  • NFIP contents limit$100,000

Most homeowners insurance does not cover flood damage; flood insurance is bought separately, through the federal NFIP or a private insurer. Exceptions: no wait if you buy while making, increasing, extending or renewing a mortgage, or change coverage at renewal; a one-day wait if a map revision puts the property in a high-risk zone and you buy within 13 months of the revision (44 CFR §61.11). NFIP covers up to $250,000 on the building and $100,000 on contents, which is a separate policy. To buy: call the NFIP at (877) 336-2627, go to FloodSmart.gov, or ask any licensed insurance agent. Every NFIP insurer offers the same rates.

Already flooded? Insured: report the loss to your insurance agent or company now (FEMA's steps: how to start a flood claim). Not insured: a policy bought today will not cover a flood that already happened, and FEMA disaster aid is open to people in counties designated in a federally declared disaster. Past aid paid here is in “Did the government pay homeowners after floods?” below.

Source: floodsmart.gov, govinfo.gov, fema.gov (official pages, checked October 25, 2026). Not endorsed by FEMA.

What does it cost in my flood zone?

From about $798 a year (Zone AO) to $1,084 (Zone C) here. Your zone is on your lender's flood determination or FEMA's map; find its row below.

Flood zoneMedian / yrPolicies
Zone AE$1,0271,403
Zone X$1,081794
Zone A$984254
Zone AO$798160
Zone C$1,08461

Why can a high-risk zone cost less than Zone X here? Since FEMA's Risk Rating 2.0, price is set from each building's own flood risk, not its zone, and these are existing policies whose buildings differ. The reason for any one zone is not in this data.

Zones with fewer than 50 priced single-family policies are omitted. Your own premium still depends on elevation and coverage.

Source: FEMA OpenFEMA — NFIP Policies. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

What does it cost in my county?

From about $517 a year in Twin Falls County to $1,669 in Benewah County, among counties with 30 or more priced policies. Find yours below.

CountyPoliciesMedian / yrBelow full-riskClaims since 1978
Ada County1,914$1,06448.0%133
Canyon County452$83031.0%29
Blaine County437$1,26063.5%309
Shoshone County415$1,30945.9%108
Kootenai County226$97733.6%91
Bonner County156$1,26368.1%40
Elmore County141$7126.2%11
Latah County141$1,00032.0%61
Bannock County98$84213.2%40
Bingham County96$93826.0%31
Bonneville County90$98119.6%17
Twin Falls County78$51714.9%16
Washington County57$94621.3%23
Benewah County54$1,66974.4%34
Teton County45——4
Jefferson County42$75212.1%18
Lemhi County37——24
Gooding County35——6
Madison County35——9
Payette County31——26
Nez Perce County30——6
Gem County29——4
Boise County28——1
Cassia County23——2
Valley County20——1
Fremont County19——7
Custer County18——1
Lewis County17——0
Minidoka County12——5
Boundary County11——3

10 smaller counties are not listed.

Lowest typical cost: Twin Falls County ($517), Elmore County ($712), Jefferson County ($752), Canyon County ($830) and Bannock County ($842). Highest: Benewah County ($1,669), Shoshone County ($1,309), Bonner County ($1,263), Blaine County ($1,260) and Ada County ($1,064). Median annual cost of single-family primary-home policies.

Counties with fewer than 30 priced single-family policies show a dash; medians from under 100 policies move more from year to year.

Source: FEMA OpenFEMA — NFIP Policies; FEMA OpenFEMA — NFIP Claims. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Why do sites quote different averages for Idaho?

Because they measure different things. From the same FEMA records, the typical single-family home pays $1,022 a year, but the average across every policy type is $1,420.

MeasureAmountWhat it counts
Median cost, single-family homes$1,022premium plus fees; the middle policy
Average (mean) cost, single-family homes$1,128pulled up by a few expensive policies
Median premium only, single-family homes$805before the federal fee, reserve fund and surcharge
Average premium only, single-family homes$895the figure many sites quote
Median cost, every policy type$1,110adds condos, rentals and businesses
Average cost, every policy type$1,420

Published averages rarely say which of these they are, or which year. All six here come from the NFIP policies in force on July 31, 2026.

Source: FEMA OpenFEMA — NFIP Policies. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

How do current premiums compare with FEMA's full-risk price?

41.8% of bills here can keep rising: they pay less than FEMA's full-risk price. Those prices step up toward full-risk each year, limited by the yearly cap. Median premium $805, full-risk $886 (premiums only, before fees).

Years to the full-risk price: By law most premiums cannot rise more than 18% a year (FloodSmart puts it at 18–25% for most policyholders); the cap usually does not apply to new policies, and fees and surcharges sit outside it. At the 18% cap, a policy at today's median premium ($805) would take at least about 1 annual renewal to reach the median full-risk premium ($886). This is the limit on how fast a bill can climb, not a forecast of any one policy.

Source: FEMA OpenFEMA — NFIP Policies. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Are people dropping flood insurance in Idaho?

Yes: policies in force fell 18.0% from 2022 to 2026, from 5,337 to 4,376 NFIP policy records.

July 31Policies in force
20195,882
20205,520
20215,400
20225,337
20235,184
20244,847
20254,718
20264,376

Policy records in force on July 31 of each year (a condo-building policy counts once). Private flood policies are not in this data.

Source: FEMA OpenFEMA — NFIP Policies. Data effective 2019–2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Can I pay less than the sticker price?

Yes, in 8 of the 190 towns here: up to 20% off in Eagle. It applies to every eligible policy there. Find your town below.

CommunityHigh-risk zoneOther areasCRS class
Eagle (Ada County)20%10%6
Boise (Ada County)15%5%7
Garden City (Ada County)15%5%7
Kootenai County (Kootenai County)15%5%7
Ada County (Ada County)10%5%8
Moscow (Latah County)10%5%8
Meridian (Ada County)10%5%8
Gem County (Gem County)5%5%9

The 8 largest discounts of 8 discounted communities are shown; 182 communities here have no CRS discount.

The Community Rating System cuts NFIP premiums for every eligible policy in a community that does extra flood work. The discount shown is the community's rate; what share of its policies currently receive it is not in this data. Confirm with your agent.

Source: FEMA OpenFEMA — NFIP Community Status Book (CRS). Data effective current Community Status Book; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

What do floods actually pay out here?

Floods here have led to 1,116 NFIP flood claims and $10.4 million in payouts since 1978; the worst years were 2017, 1997 and 1996.

1978: 3 claims, $9,3271979: 35 claims, $127,1801980: 25 claims, $88,2041981: 9 claims, $2891982: 41 claims, $69,6821983: 21 claims, $75,8851984: 19 claims, $81,6791985: 4 claims, $25,5661986: 4 claims, $12,4251987: 1 claims, $01989: 4 claims, $2,5201990: 9 claims, $44,7521991: 1 claims, $01992: 9 claims, $2,7121993: 3 claims, $5001995: 27 claims, $73,3991996: 104 claims, $1,649,0741997: 138 claims, $1,712,0791998: 12 claims, $28,4901999: 10 claims, $25,9862000: 6 claims, $1,8512001: 2 claims, $3,4302002: 16 claims, $116,6772003: 2 claims, $19,4872004: 6 claims, $4,6082005: 13 claims, $86,6672006: 62 claims, $496,8872007: 4 claims, $02008: 28 claims, $153,6422009: 26 claims, $135,9712010: 17 claims, $239,8142011: 28 claims, $237,5662012: 19 claims, $25,5242013: 11 claims, $28,4662014: 18 claims, $31,6102015: 15 claims, $29,3332016: 5 claims, $17,5662017: 237 claims, $3,370,5972018: 19 claims, $302,8022019: 35 claims, $424,5862020: 5 claims, $7,6172021: 4 claims, $2,9132022: 6 claims, $11,0962023: 31 claims, $435,9512024: 5 claims, $6,7882025: 6 claims, $44,7522026: 11 claims, $138,05919801990200020102020

Orange bars are the three costliest years: 2017 ($3,370,597), 1997 ($1,712,079), 1996 ($1,649,074). Total paid $10,404,009: net building + contents payments by year of loss. Claims are matched by the claims dataset's county code, which may not exactly match a policy's property county.

That is 1,116 claims since 1978 against 4,851 policies in force today — a cumulative tally spanning ~49 years over a present-day snapshot, not an annual claim rate or a flood probability.

Source: FEMA OpenFEMA — NFIP Claims. Data effective 1978–2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Do flood claims here actually pay out?

Most do: 68.6% of claims here paid something. The average paid claim was $13,582.

FEMA lists reasons a claim closes without payment, such as damage below the deductible, no flood as the policy defines it, or seepage and drain backup the policy does not cover. The average is over claims that paid something; a single home can file across several floods over the years.

Source: FEMA OpenFEMA — NFIP Claims. Data effective 1978–2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Why do flood claims here go unpaid?

Of the 350 claims here closed without payment, the top reason FEMA recorded was “not an actual flood” (90 claims).

Reason recordedClaims
Not an actual flood90
Damage less than the deductible46
No demonstrable damage31

The building non-payment reason on each NFIP claim closed with nothing paid. Records marked “other” or entered in error are left out.

Source: FEMA OpenFEMA — NFIP Claims. Data effective 1978–2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Would a policy here pay to rebuild my home?

Not in full for 45.8% of insured single-family homes here: FEMA's records put their rebuilding cost above the NFIP's $250,000 building limit.

NFIP covers up to $250,000 on the building and $100,000 on contents, which is a separate policy. Rebuilding cost is the replacement-cost figure on each single-family primary-home policy record.

Source: FEMA OpenFEMA — NFIP Policies; FEMA OpenFEMA — NFIP Claims. Data effective July 31, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Source: floodsmart.gov (official pages, checked October 25, 2026). Not endorsed by FEMA.

How often do the same homes flood here?

Not in FEMA's records: no disaster-aid applications here came from homes that flooded more than once.

One home appears once for each declared disaster that damaged it, so this counts damage events on repeat-flooded homes, not distinct homes (FEMA says these records cannot be totaled by property). Disaster-aid applications since 2002, separate from NFIP insurance claims.

Source: FEMA OpenFEMA — Repetitive-Loss Flood Properties. Data effective FEMA's current list; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

How Idaho counties compare

None of Idaho's 44 counties is rated Relatively High or Very High for flooding by FEMA's National Risk Index, a model of expected loss; the claims below show what has actually flooded.

Ada: Relatively ModerateAdams: Relatively LowBannock: Relatively LowBear Lake: Very LowBenewah: Relatively LowBingham: Relatively LowBlaine: Relatively LowBoise: Relatively LowBonner: Relatively ModerateBonneville: Relatively ModerateBoundary: Relatively LowButte: Very LowCamas: Very LowCanyon: Relatively ModerateCaribou: Very LowCassia: Relatively LowClark: Very LowClearwater: Relatively LowCuster: Relatively LowElmore: Very LowFranklin: Very LowFremont: Relatively LowGem: Relatively LowGooding: Very LowIdaho: Relatively LowJefferson: Relatively LowJerome: Very LowKootenai: Relatively ModerateLatah: Relatively LowLemhi: Relatively LowLewis: Very LowLincoln: Very LowMadison: Relatively LowMinidoka: Very LowNez Perce: Relatively LowOneida: Very LowOwyhee: Relatively LowPayette: Very LowPower: Very LowShoshone: Relatively ModerateTeton: Very LowTwin Falls: Relatively LowValley: Relatively LowWashington: Relatively Low
Flood-risk rating (FEMA National Risk Index): Very Low Low Moderate High Very High.

Source: FEMA — National Risk Index (flood). Data effective NRI 2023 release; retrieved October 25, 2026.

How many homes here carry flood insurance?

About 1 in 200 homes here has flood insurance (0.5%). Inside the high-risk zone it's 19.1%.

FEMA's NFIP residential take-up rate — share of residential structures with an NFIP policy, overall and inside the Special Flood Hazard Area. NFIP only (excludes private flood insurance); the structure count is a FEMA estimate.

Source: FEMA OpenFEMA — NFIP Residential Penetration Rates. Data effective August 3, 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

How often is Idaho a flood disaster?

28 federal disasters for floods or storms here; the latest was Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides (2026).

Distinct storms by calendar year (one storm's emergency and major-disaster declarations are counted once), not individual declaration records.

Source: FEMA OpenFEMA — Disaster Declarations Summaries. Data effective declarations through 2026; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Did the government pay homeowners after floods?

Yes, but not much per household: FEMA approved $532,037 for homeowners here, about $4,509 per registration, against an average paid flood claim of $13,582.

FEMA disaster aid helps with uninsured and underinsured losses, and is separate from NFIP insurance.

Source: FEMA OpenFEMA — Housing Assistance (Owners); FEMA OpenFEMA — NFIP Claims. Data effective owner registrations by disaster; retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA.

Reconciliation & data completeness

Our record counts match the API's own totals; FEMA's official policy count is not yet joined for Idaho.

In-force count: 4,851 policy units (from 4,376 API records; condo-association records carry more than one unit). Count reconciliation (not a snapshot proof): policies: 4376/4376 fetched; claims: 1116/1116 fetched.

What this data cannot tell you

The federal datasets behind this page

Every figure comes from a public U.S. federal dataset; estimates are labeled where they appear. This page joins 8 of them for Idaho. Last pulled October 25, 2026.