South Dakota Car Insurance Calculators

These two calculators answer the questions South Dakota drivers need before buying a policy: what you'll pay based on your ZIP code and driver profile, and how much coverage you actually need based on your assets and vehicle.

Use our free calculators to get instant rate and coverage estimates.

Written by Mark Fitzpatrick

Updated: May 18, 2026

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How South Dakota Car Insurance Rates Are Calculated

Full coverage in South Dakota averages $103 per month, $21 below the national average of $124. Seven factors determine whether your rate comes in above or below that average.

1. Provider choice: the single biggest variable in South Dakota

The cheapest and most expensive insurer in South Dakota differ by $47 per month for the same minimum coverage policy. That's a $564 annual gap for identical protection. Progressive and Farmers Mutual Insurance Company of Nebraska both start at $13 per month for minimum coverage; Farmers charges $60. Most national comparison tools don't include Farmers Mutual Insurance Company of Nebraska, which means drivers who use only those tools may be missing one of the cheapest insurers in South Dakota.

2. Age and driving experience: young drivers pay more, but the gap is smaller here

Young drivers in South Dakota pay an average of $250 per month for full coverage versus $123 for senior drivers, a $127 monthly gap. That gap is smaller than in higher-rate states like California and Florida, where base rates amplify every surcharge. South Dakota's lower $103 baseline reduces the dollar penalty for youth even when the percentage surcharge is similar. Rates typically drop most sharply at age 25.

3. ZIP code and location: Sioux Falls vs. the rest of the state

Minimum coverage in Sioux Falls averages $35 per month versus $29 in Aberdeen, a $6 monthly difference that compounds to $72 per year. Sioux Falls drivers face higher claim frequency and vehicle theft exposure than rural South Dakota. Rapid City sits in a similar premium tier. Drivers in smaller communities pay closer to the state minimum average.

4. Credit score: the largest controllable variable in South Dakota

South Dakota allows carriers to use credit as a rating factor. Drivers with excellent credit pay $111 per month for full coverage, while drivers with poor credit pay $290, a $179 monthly gap and $2,148 per year. That credit gap is larger than the entire cost difference between minimum and full coverage ($71 per month). A driver who improves their credit from poor to excellent saves more than a driver who drops to minimum coverage. Pull your credit report and dispute errors before shopping.

5. Driving record: violations stay on your rate for three years

An at-fault accident adds $47 per month to full coverage premiums in South Dakota; a DUI adds $91 per month. South Dakota's lookback window runs three years from the incident date. A driver who had a DUI at month one is paying a $91 monthly surcharge through month 36. When the violation ages off, the surcharge drops. That's the right time to re-shop, before the renewal cycles and carriers have already repriced.

6. Coverage level: $71 per month separates minimum from full coverage

Minimum coverage in South Dakota costs $32 per month. Full coverage costs $103. The $71 monthly difference buys comprehensive and collision protection and raises your liability limits from 25/50/25 to 100/300/100. South Dakota's 25/50/25 minimums cap bodily injury at $25,000 per person, well below what a serious injury or fatality claim can cost. Drivers with financed vehicles don't have the choice: lenders require full coverage. Drivers who own outright should use the coverage calculator below before dropping to minimum.

7. Vehicle: hail is the primary comprehensive risk in South Dakota

South Dakota sits in a high-hail corridor in the eastern Great Plains. Comprehensive coverage pays for hail damage, which can total a vehicle with no at-fault accident involved. Drivers parking outdoors in Sioux Falls or the eastern corridor carry real hail exposure. Dropping comprehensive coverage to save money is the wrong trade-off in this region. Newer, higher-value vehicles also carry higher collision and comprehensive premiums; a less expensive used vehicle lowers the full coverage cost if budget is the constraint.

Calculate Your South Dakota Car Insurance Coverage Needs

Before comparing rates, you need to know what coverage actually protects your assets. Our coverage calculator asks about your vehicle, how you bought it and what you own to give you a personalized recommendation.

How Much Car Insurance You Need in South Dakota

Answer 6 quick questions and get a personalized coverage recommendation, including your state's minimum requirements and expert-recommended limits.

Takes about 2 minutes

Personalized to your state

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What Your South Dakota Coverage Recommendation Means

Your result reflects your specific situation, not South Dakota's state minimums.

South Dakota's minimums cap bodily injury at $25,000 per person and $50,000 per accident. A single hospitalization after a serious crash can exceed $25,000, and a fatality claim can reach multiples of the $50,000 accident limit. If costs exceed your policy limits, you owe the difference personally. Drivers with home equity or savings to protect should carry at least 100/300/100 in liability, which costs $71 per month more than the state minimum. That $71 is the difference between a manageable claim and a lawsuit against your assets.
South Dakota is an at-fault state, meaning the driver who caused the accident is personally liable for damages above their policy limits. If your limits run out, the injured party can pursue your home equity, savings and wages. South Dakota's $25,000 per-person minimum can run out quickly in a serious injury claim. The gap between that limit and real crash costs is why MoneyGeek recommends 100/300 liability for drivers with assets to protect.
South Dakota's uninsured driver rate is 9.4%, well below the 15.4% national average. Roughly one in 11 South Dakota drivers carries no insurance. South Dakota does not require carriers to include uninsured motorist coverage by default, so drivers must opt in. If an uninsured driver causes your accident and you haven't added UM coverage, you have no claim against your own policy for medical bills or lost wages.

Bottom Line and Next Steps

South Dakota's minimum coverage, 25/50/25, caps bodily injury at $25,000 per person in an at-fault state where you're personally responsible for anything above your limits. For $71 more per month, 100/300/100 full coverage closes that gap and adds comprehensive protection in a high-hail region. If you own your home, carry at least 100/300/100.

1. Check Farmers Mutual Insurance Company of Nebraska alongside national carriers. Most national comparison tools don't include this regional carrier, which tied for the cheapest minimum coverage rate in South Dakota at $13 per month. The cheapest carrier in the state differs from the most expensive by $47 per month for the same coverage. Running quotes that exclude Farmers Mutual Insurance Company of Nebraska means you may be comparing to a floor that isn't actually the floor.

2. Ask each carrier to confirm UM/UIM is included in your quote. South Dakota doesn't require carriers to add uninsured motorist coverage by default. When you get a quote, confirm the UM/UIM line item is present and priced, not just theoretically available. A quote without it costs less on paper but leaves a coverage gap that matters when an uninsured driver hits you.

3. Run the calculator before every renewal, not after. Even the best South Dakota carriers can raise rates at renewal without individual notice. Your rate shifts as other drivers' claims experience changes in your ZIP code, not just yours. Violations age off your record at the three-year mark from the incident date, not the policy date. Run this calculator in the month before your renewal, not after you've already accepted the renewal rate.

4. Re-shop at month 33 if you had a DUI. South Dakota's lookback window is three years from the incident date. A DUI adds $91 per month to full coverage premiums, $1,092 per year in surcharges. At month 37, that surcharge drops. The right time to run new quotes is month 33 or 34, before the renewal cycle locks in another year's pricing. Don't wait for your insurer to pass the savings through automatically.

South Dakota Car Insurance Estimate: FAQ

How much is car insurance in South Dakota per month?

Full coverage averages $103 per month in South Dakota, $21 below the national average of $124. Among South Dakota's neighbors, North Dakota is cheaper at $89 per month; Minnesota runs $106 and Nebraska $109, making South Dakota the second-most affordable option in the region after North Dakota. Minimum coverage costs $32 per month.

Why is car insurance cheaper in South Dakota than most states?

South Dakota's below-average rates trace primarily to its rural population density. Lower traffic volume outside Sioux Falls and Rapid City means fewer accidents and fewer claims per driver. South Dakota's tort system keeps litigation costs below what higher-population states experience. The one exception is comprehensive coverage: South Dakota sits in a high-hail corridor in the eastern Great Plains, and comprehensive premiums reflect that risk.

Does South Dakota require an SR-22 or FR-44?

South Dakota requires an SR-22 filing after a DUI or driving without insurance. The filing mandates 25/50/25 minimum liability coverage and must remain active for three years from the filing date. Administrative fees vary by carrier and state; confirm the exact amount with your insurer. Your insurer files with the state on your behalf and notifies the state if coverage lapses. South Dakota does not use FR-44. Drivers who need an SR-22 should shop carriers that specialize in high-risk policies, since not all standard carriers will file the certificate. Drivers who need coverage without owning a vehicle should ask about non-owner SR-22 policies specifically.

All rate data comes from Quadrant Information Services, sourced from insurer filings with state regulators. The baseline profile is a 40-year-old male driver with good credit, a 2012 Toyota Camry, and a clean driving record.

Full coverage reflects 100/300/100 liability limits, comprehensive and collision coverage, and a $1,000 deductible. Minimum coverage reflects South Dakota's state-mandated minimums of $25,000 bodily injury per person, $50,000 bodily injury per accident, and $25,000 property damage per accident.

Age group comparisons use Young Drivers and Senior Drivers buckets from the state dataset. Credit comparisons use Excellent and Poor tiers. Driving record surcharges are calculated as deltas from the clean-record baseline, not total rates. USAA is excluded from all averages and carrier comparisons due to eligibility restrictions.

Sources

About Mark Fitzpatrick

Mark Fitzpatrick, a Licensed Property and Casualty (P&C) Insurance Producer in Connecticut, is MoneyGeek's resident insurance expert. He has spent nearly a decade analyzing the market, first at LendingTree and now at MoneyGeek, where he has produced original research on hundreds of carriers and millions of rates across auto, home, renters, health and life insurance.

He covers economics and insurance at MoneyGeek, and his work has been featured in The Washington Post, The New York Times and NPR, among other outlets.

Like all MoneyGeek analysts, he draws on independent cost and consumer experience data, and no insurance company partnership influences his recommendations.

Fitzpatrick earned his degrees from Johns Hopkins University (M.A. Economics and International Relations) and Boston College (B.A.). He began his career in financial risk management at State Street. He's also a five-time “Jeopardy!” champion.

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