South Dakota Flood Insurance.
What the FEMA data shows.
2,401 NFIP flood policies are in force in South Dakota. The average one costs $1,165 a year. In the last 10 years, NFIP paid $22.4 million on 632 flood claims in South Dakota.
FEMA policy data as of July 4, 2026.
South Dakota flood insurance in 5 numbers
2,401
NFIP policies in force in South Dakota.
$1,165
Average yearly premium per policy.
$22.4 million
Paid on 632 flood claims in 10 years.
66%
Share of policies in high-risk zones (A or V).
8
South Dakota communities in FEMA’s Community Rating System (CRS). Best: City of Sioux Falls, Class 6. That takes 20% off the NFIP premium for eligible policies, in any zone.
South Dakota’s costliest floods in 10 years
These are the flood events with the most NFIP money paid in South Dakota from July 3, 2016 to July 4, 2026. The names are FEMA’s own event labels, written out in plain words.
| FEMA event | Claims | Paid |
|---|---|---|
| June Midwest Flooding | 72 | $5.9 million |
What will flood insurance cost at your South Dakota address?
The $1,165 average is a number for all of South Dakota. Your price is set by your own home. Same flood zone, very different prices. It turns on how high your first floor sits, what your home costs to rebuild, and how often your spot floods.
Your flood zone tells you if your lender will require a policy. Start there. Type your address and see your FEMA flood zone in seconds. A licensed, independent insurance agent can then compare NFIP and private options for you.
Checked against FEMA’s flood map for that exact spot.
3 questions South Dakota buyers ask next
Sources and dates
- Policies in force, average premium and the share in A or V zones: FEMA, OpenFEMA FIMA NFIP Redacted Policies v2. Policies in force on July 4, 2026. A condo association policy counts once for each unit it covers. The average is total premium divided by policies.
- Claims and money paid: FEMA, OpenFEMA FIMA NFIP Redacted Claims v2. Losses from July 3, 2016 to July 4, 2026. Paid means building, contents and Increased Cost of Compliance payments added together.
- Counted by ShoutFlood from FEMA’s public files on November 3, 2026. Places with fewer than 50 policies show no numbers.
- CRS communities and classes: FEMA, NFIP Community Status Book (OpenFEMA), read November 4, 2026, with the class changes effective October 1, 2026. A community counts when its class is 1 to 9. The discount by class is FEMA’s CRS table in the NFIP Flood Insurance Manual. It comes off the NFIP premium, not the fees.