Property Atlas

County hazard profile

Multnomah, OR

Oregon · pop. 814,167 · FIPS 41051

Relatively High
FEMA risk rating · RATING
Earthquake
dominant hazard
$440M
modeled expected annual loss/yr

Expected annual loss · all 3,232 U.S. counties

among the highest nationally

national median $15M/yr Multnomah $440M

A real dollar distribution: most counties sit far below a handful of high-exposure ones. A FEMA model of annual loss, not a record of disasters.

FEMA national percentile scores

FEMA/CDC score each county 0–100 against all others — the score is the national rank (RATING). Higher risk and vulnerability are worse; higher resilience is better.

FEMA risk indexRelatively High 98.47/100
national median ~50 among the highest nationally
Social vulnerabilityRelatively Low 29.77/100
national median ~50 lower than most counties (30th percentile)
Community resilienceVery High 95.52/100
national median ~50 among the highest nationally

Recorded · NFIP flood claims RECORDED

Realized flood losses in Multnomah

The National Flood Insurance Program has paid 348 flood-insurance claims totaling $4.6M in Multnomah since 1978. The costliest year was 1996 ($2.7M paid).

Flood-insurance dollars paid by year of loss

1978: $32,050 paid 1979: $5,703 paid 1980: $252,710 paid 1981: $11,786 paid 1982: $49,041 paid 1983: $2,239 paid 1984: $0 paid 1986: $0 paid 1989: $0 paid 1993: $15,030 paid 1994: $48,744 paid 1995: $90,896 paid 1996: $2,666,109 paid 1997: $143,852 paid 1998: $0 paid 1999: $0 paid 2003: $23,775 paid 2006: $0 paid 2007: $124,909 paid 2008: $10,262 paid 2009: $295,539 paid 2010: $8,581 paid 2012: $116,408 paid 2013: $0 paid 2014: $3,132 paid 2015: $560,646 paid 2016: $1,243 paid 2017: $9,005 paid 2019: $0 paid 2020: $20,022 paid 2021: $33,088 paid 2022: $0 paid 2023: $23,266 paid 2026: $72,373 paid 1996 · $2.7M 1978 2026
$4.6M
total paid
$13,277
average claim
$245K
largest single claim
44%
in high-risk flood zones (A/V)

RECORDED — these are actual paid NFIP claims (a redacted census from OpenFEMA), not a model. They are the realized counterpart to the FEMA risk score above: one is what happened and got paid, the other is what a model predicts.

Scope: these are flood-insurance claims, so they undercount flooding where owners were uninsured — read this as "what NFIP paid here," not "every flood." County-level totals, not a per-property or per-address verdict. Verify a specific address and buy coverage at FloodSmart.gov; the underlying data is OpenFEMA NFIP Redacted Claims.

What these figures mean

  • RATING — the FEMA risk score, expected loss, social vulnerability, and resilience are FEMA/CDC models, not records of disasters that happened. The 0–100 scores are already national percentiles.
  • MEASURED — population is a recorded census figure.
  • COMPUTED — the county's rank within the dollar-loss distribution is our placement over the 3,232 counties.
  • CONTEXT — the note below is framing, not a measurement.

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What this is — and is not

This is FEMA/CDC modeled hazard exposure for Multnomah, OR and where it ranks among U.S. counties. It is not a verdict on whether Multnomah is a good or bad place to live — hazard exposure is not place quality, and a county can't opt out of its geography. It is not a per-property or per-address risk assessment, not a prediction of any specific disaster, and not insurance advice. For site-specific risk use a per-property assessment; for the underlying model see FEMA National Risk Index.