Highest climate-risk ZIP codes in South Dakota
Top 25 highest FEMA NRI climate-risk counties in South Dakota (one representative ZIP per county). #1 is 57106 (Sioux Falls) at score 89.5. Compare hazard exposure on US5.
FEMA’s National Risk Index is published at the county level on US5, so every ZIP in the same county shares the same composite score. This board shows one representative ZIP per county (the most populous code in that county) ranked by NRI — a relative signal of natural-hazard exposure for planning and insurance context.
Highest county scores on this board: Minnehaha County (57106) at 89.5; Dewey County (57625) at 78.7; Pennington County (57701) at 78.6.
Open a representative ZIP for flood, wildfire, and hurricane component scores, plus a plain-language risk summary.
Open any ZIP for a full demographics, income, and housing profile, or return to the South Dakota state page for the complete ZIP table.
Ranked counties (representative ZIP)
FEMA NRI is county-level data. Each row shows the most populous ZIP in that county as a representative entry.
| # | ZIP | City | County | NRI risk score | Population | Income | Home value |
|---|---|---|---|---|---|---|---|
| 1 | 57106 | Sioux Falls | Minnehaha County | 89.5 | 51,780 | $77,070 | $268,800 |
| 2 | 57625 | North Eagle Butte | Dewey County | 78.7 | 3,857 | $49,643 | $72,000 |
| 3 | 57701 | Rapid City | Pennington County | 78.6 | 45,221 | $52,733 | $229,900 |
| 4 | 57401 | Aberdeen | Brown County | 73.5 | 32,064 | $68,183 | $216,300 |
| 5 | 57078 | Yankton | Yankton County | 63.4 | 20,547 | $72,395 | $213,300 |
| 6 | 57108 | Sioux Falls | Lincoln County | 63.0 | 32,888 | $96,184 | $401,300 |
| 7 | 57201 | Watertown | Codington County | 61.8 | 26,375 | $64,809 | $223,600 |
| 8 | 57325 | Chamberlain | Brule County | 58.7 | 3,237 | $78,750 | $208,400 |
| 9 | 57006 | Brookings | Brookings County | 50.1 | 23,838 | $64,818 | $253,700 |
| 10 | 57770 | Pine Ridge | Oglala Lakota County | 49.8 | 5,384 | $53,988 | $54,200 |
| 11 | 57719 | Box Elder | Meade County | 49.5 | 11,475 | $74,936 | $275,400 |
| 12 | 57783 | Spearfish | Lawrence County | 49.3 | 16,929 | $64,970 | $332,300 |
| 13 | 57380 | Wagner | Charles Mix County | 48.5 | 3,335 | $63,309 | $153,800 |
| 14 | 57366 | Parkston | Hutchinson County | 47.9 | 2,619 | $75,750 | $173,400 |
| 15 | 57350 | Huron | Beadle County | 47.1 | 16,148 | $60,351 | $180,400 |
| 16 | 57058 | Salem | McCook County | 43.4 | 1,792 | $79,119 | $199,700 |
| 17 | 57472 | Selby | Walworth County | 39.5 | 1,078 | $61,094 | $118,900 |
| 18 | 57301 | Mitchell | Davison County | 39.2 | 19,142 | $60,671 | $191,300 |
| 19 | 57642 | Kenel | Corson County | 38.1 | 1,949 | $56,528 | $78,500 |
| 20 | 57262 | Long Hollow | Roberts County | 37.8 | 5,043 | $52,667 | $121,100 |
| 21 | 57049 | North Sioux City | Union County | 37.1 | 7,814 | $93,239 | $406,300 |
| 22 | 57555 | Soldier Creek | Todd County | 36.6 | 3,530 | $38,772 | $73,800 |
| 23 | 57580 | Okreek | Tripp County | 36.5 | 4,271 | $67,694 | $141,000 |
| 24 | 57042 | Madison | Lake County | 32.6 | 7,900 | $68,672 | $218,200 |
| 25 | 57747 | Angostura | Fall River County | 30.9 | 5,889 | $64,023 | $195,600 |
Frequently asked questions
Which areas in South Dakota have the highest climate or disaster risk?
FEMA NRI scores are county-level on US5. Minnehaha County ranks near the top at 89.5 (representative ZIP 57106). Higher scores indicate greater relative natural-hazard exposure.
How does US5 rank ZIP codes in South Dakota?
We rank one representative ZIP per county (highest population in the county) by FEMA NRI composite score from high to low. NRI is county-level data, so all ZIPs in a county share the same score.
Where can I explore all ZIP codes in South Dakota?
Visit the South Dakota state page for the full ZIP table, demographics summary, and sortable income/housing columns.