The best and cheapest car insurance in South Dakota

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According to our analysis, State Farm is the top car insurance provider in South Dakota, earning 4.49 out of 5 stars for its combination of affordability, customer satisfaction and financial stability. Its average premium of $2,551 per year is 24 less than the statewide average.

Drivers in South Dakota spend an average of $2,575 annually, or $215 monthly, on car insurance.

Auto-Owners finished second with 4.32 stars, followed closely by Progressive at 4.07 stars.

The table below shows the best car insurance companies in South Dakota.

How we picked the top auto insurance companies

When choosing the top car insurance companies in South Dakota, we looked at more than just the average cost of coverage. We also considered customer satisfaction scores from J.D. Power, financial strength ratings from AM Best and complaint data from the National Association of Insurance Commissioners (NAIC). If state or regional data wasn’t available, we relied on national averages to keep our comparisons consistent and fair.

For each of the four metrics, we gave companies in each state from 1 to 5 (5 being the best) based on how they performed in each category. Those components were then given the following weights to arrive at an overall star rating.

• Premiums: 25%
• JD Power: 30%
• AM Best: 25%
• NAIC: 20%

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Which insurers offer the cheapest car insurance in South Dakota?

Farmers Mutual of Nebraska has the cheapest average car insurance rate in South Dakota at $1,504 a year.

Other low-cost insurers in South Dakota include:

• Progressive, with average rates of $2,270 a year, or $189 a month
• Allstate, with average premiums of $2,336 a year, which comes out to $195 per month

On the higher end, Iowa Farm Bureau has the highest average premium at $4,212 a year.

Keep in mind that your actual rate may be different. Insurers consider factors like your driving record, credit score, age, vehicle and ZIP code when calculating premiums, so the cheapest company for the average driver may not be the cheapest for you.

Below are the cheapest car insurance rates by state, based on a profile of a 40-year-old driver with a Honda Accord LX to ensure fair, apples-to-apples comparisons. Rates are for full coverage car insurance.

What is full coverage car insurance?

Full coverage car is a combination of coverages that provide broader financial protection. It typically includes liability insurance (required in most states) plus collision and comprehensive coverage, which pay for damage to your own vehicle from accidents, theft, weather, vandalism and other non-collision events. While it offers more protection than minimum coverage, it also costs more and may be especially valuable if you have a newer, financed or higher-value car.

Auto insurance premiums vary significantly from city to city, so drivers need to be sure they’re getting the best deal. Insure.com has done the research for you. Get more information on auto insurance rates by city below.

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How do you find the best car insurance rates in South Dakota?

Shopping around for coverage is a great way to make sure you are getting the best rates on your auto insurance.

“It is extremely important to make sure you start off with an apples-to-apples comparison,” says Tim Bottini, a Country Financial insurance agent based in St. Louis. That means checking:

• The same liability limits
• The same deductibles
• The same coverage types

For example, if one quote shows 25/50/25 in liability coverage and another shows 50/100/100, the lower price may simply reflect lower protection – not a better deal. Many agents recommend at least 50/100/100, and higher limits may make sense depending on your income and assets.

You can also lower your premium by:

• Maintaining a strong credit score
• Avoiding tickets and accidents
• Bundling home and auto insurance with the same carrier

Which companies have the cheapest car insurance for seniors in South Dakota?

Senior drivers in South Dakota generally pay higher car insurance rates than most age groups, though teens still tend to pay the most overall.

The cheapest car insurance companies for seniors in South Dakota are:

• Farmers Mutual of Nebraska: $1,357 a year ($113 a month)
• Progressive: $1,521 a year
• Allstate: $2,234 a year

Insurers typically charge seniors more because premiums reflect overall risk trends, including claim frequency and age-related driving factors such as slower reaction times and vision changes. That said, many seniors can still find lower rates by keeping a clean driving record, driving fewer miles and taking advantage of mature driver or safe driver discounts.

The chart below shows the average car insurance premiums for senior drivers in South Dakota.

Which companies have the cheapest car insurance for young adults in South Dakota?

While young adults pay less than teen drivers, they still pay more than older more experienced drivers. The best choice for young adults (early 20s) in South Dakota is Farmers Mutual of Nebraska with an annual rate of $1,975 or $165 a month.

Progressive had the second cheapest premium at $2,733 a year followed by Allstate was third at $3,643.

If young drivers keep their driving record clean, their rates will drop down as they move out of their 20s.

The table below shows the best insurers for young drivers in South Dakota:

Which companies have the cheapest car insurance for teen drivers in South Dakota?

In South Dakota, Farmers Mutual of Nebraska offers the most affordable coverage for teen drivers, with average premiums starting at $3,117 annually or $260 per month.

Because teens have less driving experience, insurers classify them as higher-risk policyholders.

“Teenagers and seniors are riskier drivers, so they often pay more for auto insurance than other policyholders in different age groups,” says Chong Gao, director of product management R&D at Mercury Insurance. “For teenagers, the lack of driving experience is a significant factor that impacts their rates; younger drivers with little experience behind the wheel tend to pay higher insurance premiums.”

North Star Mutual follows at $5,139 per year or $428 per month, while Progressive rounds out the top three at $6,509 annually.

The table below shows average teen car insurance premiums in South Dakota:

Why your cheapest car insurance option may vary

An insurer with the lowest average premium may not offer you the lowest price. Car insurance rates are personalized, and companies calculate risk differently based on individual driver profiles.

Several factors can affect what you pay, including:

• Driving history
• Credit profile (where permitted)
• Age and marital status
• The type of vehicle you drive
• Your ZIP code and local claim trends

Age plays a major role in pricing. Adding a teen to a policy can significantly increase premiums because teens are the least experienced drivers and tend to have higher accident rates.

“Teen drivers are statistically more likely to be involved in accidents due to their lack of driving experience and tendency to engage in risky behaviors like speeding,” says Eliezer Zupnick, founder of East Leads Group LLC. “Teens are involved in three times as many auto accidents per mile compared to drivers aged 20 and up, making them a high-risk category for insurers.”

To help offset higher premiums, parents can explore good student discounts, choose a more affordable vehicle or reconsider certain coverages if the car’s value is low.

What is the average cost of car insurance in South Dakota?

In South Dakota, drivers pay an average of $2,575 per year for car insurance.

Premiums vary widely across states since insurers consider overall risk indicators like claims activity, repair costs, regulatory requirements and accident data. Within the same state, individual quotes can also vary based on a driver’s record, age, vehicle and location.

The chart below displays the average rate in each state for a 40-year-old driver with 100/300/100 coverage and a $500 collision and comprehensive deductible driving a Honda Accord LX.

Which South Dakota cities and ZIP codes are most expensive for car insurance?

Oglala has the most expensive ZIP codes for car insurance in South Dakota, with average annual premiums of $3,081.

Insurance rates vary by location because where your vehicle is parked overnight affects risk exposure. Areas with frequent severe weather, higher traffic density or elevated crime rates tend to have higher accident and theft claims, which raises premiums for everyone in those cities and ZIP codes.

Here are the most expensive cities and ZIP codes in South Dakota for car insurance:

Which South Dakota cities and ZIP codes are the cheapest for car insurance?

When it comes to cheap car insurance in South Dakota, these ZIP codes have the most affordable coverage. The area around Gayville has the lowest premiums in South Dakota with an average premium of $2,298.

How your location in South Dakota affects car insurance rates

Where you live in South Dakota can have a major impact on your car insurance premium. Insurers evaluate local risk factors such as accident frequency, traffic congestion, repair expenses and weather-related claims when calculating rates.

“States that have a higher rate of severe weather that damages cars or helps cause accidents will typically have higher rates,” says Gao.

Because each insurer weighs these location-based risks differently within its pricing model, premiums can vary significantly even for drivers with similar profiles living in different areas of the state.

Who has the cheapest car insurance for high-risk drivers in South Dakota?

Traffic violations and accidents can drive up your car insurance premiums because insurers often classify drivers with tickets or accidents as higher risk.

For instance, a speeding ticket can increase the average premium to $3,371 and may impact your rates for up to three years. An at-fault accident generally has a greater effect, raising the average cost of coverage to approximately $3,944.

A DUI is considered a serious offense and typically results in the largest premium increase, with average rates climbing to $5,335.

The table below illustrates the average rate increases following common driving violations.

Minimum car insurance requirements in South Dakota

Drivers in South Dakota are required to carry at least 25/50/25 in liability insurance to legally operate a vehicle. This minimum coverage pays for injuries and property damage you cause to others in an accident.

However, state-required limits are often modest. In a major crash, medical expenses and vehicle repairs can quickly exceed those minimum amounts – and anything beyond your coverage becomes your financial responsibility.

To better protect your savings and income, many insurance professionals suggest higher liability limits, such as 100/300/50. Increasing your coverage can provide an added layer of financial security if the unexpected happens.

That required coverage translates into:

• $25,000 for injury/death per person
• $50,000 for injury/death per accident
• $25,000 for damage to property

Final thoughts on the best and cheapest car insurance in South Dakota

The right car insurance company in South Dakota ultimately depends on your budget, driving history and coverage preferences. State Farm stands out for its overall value, combining competitive pricing with strong customer satisfaction and financial stability.

Still, the cheapest company for the average driver may not offer you the lowest rate. Your age, driving record, vehicle type and ZIP code all affect your premium, which makes comparing multiple insurers essential.

To find the best deal in South Dakota, get quotes from at least three companies, review coverage limits carefully – not just the price – and look for discounts such as bundling, safe driver programs, telematics or good student savings. Taking time to compare options can help you lower costs without cutting important protection.

What our expert says

Q: How does a state’s population affect car insurance rates?

Chong GaoDirector of product management R&D at Mercury Insurance.

Teenagers and seniors are riskier drivers, so they often pay more for auto insurance than other policyholders in different age groups

Methodology

Our car insurance analysis is based on 2026 rate data across all 50 states and Washington, D.C., covering 29,159 cities and 34,595 ZIP codes.

For standard rate comparisons, we analyzed 65,756,440 quotes from 195 companies across 73 insurer groups. Rates reflect a 40-year-old male and female driving a Honda Accord LX with 100/300/100 liability limits, $500 collision and comprehensive deductibles, a good insurance score, no violations, a 12-mile commute and 10,000 annual miles. The national average premium for this profile is $2,578 per year.

To measure the impact of risk factors, we reviewed an additional 95,071,152 quotes modeling at-fault accidents, DUI/DWI, speeding violations and poor credit, using the same base profile for consistency.

Company rankings are weighted as follows:

• J.D. Power (30%) – customer satisfaction
• Annual premium (25%) – average cost
• AM Best (25%) – financial strength
• NAIC (20%) – complaint index

Alisha Ambre

 

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Alisha Ambre holds a Bachelor of Arts with honours in English Literature and Media Studies. She focuses on crafting clear, engaging content that makes complex information feel practical and approachable for everyday readers. When she’s not writing, she’s likely on the volleyball court or immersed in a good video game.

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