Deer Collision Season in South Dakota
1 in 86 odds of an animal collision claim, 10th of 51 in State Farm’s 2025-2026 ranking. South Dakota deer follow the Missouri River breaks and the Black Hills, with mule deer in the west and white-tailed deer across the east.
Odds of hitting a deer in South Dakota
1 in 86, from State Farm’s analysis of industry animal collision claims between July 1, 2025 and June 30, 2026. That ranks South Dakota 10th of 51 (the 50 states and the District of Columbia), in the high likelihood category, against a national figure of 1 in 145. That is a lower likelihood than 1 in 73 in the 2024-2025 edition.
Source: State Farm, How likely are you to have an animal collision? (2025-2026). Compiled 2026-09-21.
Fatal animal crashes in South Dakota by month
NHTSA’s Fatality Analysis Reporting System recorded 18 fatal animal crashes in South Dakota from 2015 to 2024, about 1.8 a year, with 18 deaths. That is 1.5 percent of all fatal crashes in the state and 33rd among the states by count. August is the month with the most fatal animal crashes in South Dakota, 5 of 18 across the ten years. FARS counts crashes with any animal; the insurance claim season, October to December, is shaded.
Source: NHTSA Fatality Analysis Reporting System (FARS), first harmful event Live Animal, 2015 to 2024. Compiled 2026-09-21.
Sunset in Sioux Falls when the clocks fall back
On November 7, 2027, clocks fall back an hour and sunset in Sioux Falls moves from 6:12 PM to 5:10 PM, putting the evening drive home in dusk and darkness.
Sioux Falls, 61 minutes earlier by the clock.
Clock change: Uniform Time Act, 15 U.S.C. 260a, and 49 CFR part 71. Sunset calculated for Sioux Falls and checked against the U.S. Naval Observatory Astronomical Applications Department.
What state agencies tell drivers
“If you cannot avoid hitting a deer with your vehicle, brake firmly and stay in your lane. Avoid sudden swerving, which can result in a loss of control and a more serious crash.”Wisconsin Department of Transportation, quoted exactly.
“If a deer runs in front of you, do not swerve. Brake firmly and stay in your lane.”Tennessee Department of Safety and Homeland Security / Tennessee Highway Patrol, quoted exactly.
“Don’t swerve to avoid hitting a deer. Swerving can cause motorists to lose control and travel off the road or into oncoming traffic.”Missouri Department of Transportation, quoted exactly.
Questions people ask about deer collisions in South Dakota
Fatal animal crash counts compiled 2026-09-21 from the NHTSA Fatality Analysis Reporting System (FARS). State Farm odds, agency counts and quotes compiled 2026-09-21 from the pages linked above, quoted exactly.