Breathalyze This! States with the Most DUIs (2021)

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Insurify InsightsData & Research Team

Insurify’s team of data scientists and content specialists presents Insurify Insights, a series of automotive, home, and health studies focusing on the topics that impact us all. Through expert analysis of over 4 million car insurance applications and an array of top data sources, the Insurify Insights team produces new data-driven articles, trend analyses, regional superlatives, and national rankings every week. See Insurify Insights as featured in Forbes, Fox News, USA Today, NPR, and more.

Published March 4, 2022 at 11:00 AM PST

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Drivers in these states are the most prone to getting behind the wheel while inebriated — and getting caught for it.

Americans may have spent more time at home than ever this past year, with traffic down overall in early 2020 as quarantine orders were set into motion for the first time. Yet, traffic fatalities actually rose over the past year, with a 13.1 percent spike from July through September, according to the National Highway Traffic Safety Administration (NHTSA). Not only that, but the NHTSA also reported that throughout 2020, 65 percent of drivers with severe crash injuries were found to have alcohol or drugs in their systems. Around half of these cases were reported from after the onset of the pandemic.

It’s clear that despite the fact we may be driving less, we have not eradicated the nationwide epidemic of drunk driving. As more Americans gain access to the vaccine and start venturing out more frequently again and likely resume drinking in public social settings after months of social isolation, we may see an uptick in reckless behavior on the roads, including instances of drinking and driving. To identify the DUI hotspots of America, the research team at Insurify turned to the data to determine the states with the highest rates of drunk driving.

A heat map showing the DUI rate in each state in 2021 across the United States.

Insights

  • National averages. The average state-wide share of drivers with a DUI on their record in the U.S. is 2.16 percent. In 2018, the percentage of traffic fatalities that were alcohol-impaired was 28 percent. While the severity of a DUI penalty varies state to state, on average, the minimum amount that offenders must pay is at least $500.

  • Old habits die hard. The ten states with the most DUIs in 2021 are consistent with Insurify’s ranking of the top ten states with the most DUIs in 2020. In fact, the states in the top four spots in the rankings last year held their titles for this year’s list, although this is by no means a celebratory distinction.

  • Rural representation. The majority of the states with the most drunk drivers are located in the Midwest or Mountain Regions of the United States. Not only do these states tend to have more rural land and open roads, but another potential explanation for their high rates of drunk driving is the lesser availability of rideshare or other transportation alternatives after a night of drinking. In fact, it was not until 2017 that Lyft announced their expansion into previously unserviced rural areas in the continental United States where even Uber remained unavailable. Even with the expansion into these regions, frequent rideshare service tends to be hard to come by in communities with relatively few employed drivers. Irregular access to alternative ways to get home after drinking in these Midwestern and Mountain Region states may account for higher rates of drunk driving.

Bar graph showing the DUI rates of the 10 highest states in the nation compared to the national average in 2021.

Methodology

The data scientists at Insurify, an auto insurance comparison platform, referred to their database of nearly 4 million car insurance applications. Users submit their state of residence and driving history, including any violations on record, when applying for car insurance. For each state, the number of drivers with a DUI violation on record was measured against the total number of drivers. The states with the highest proportion of drivers who reported an alcohol-impaired infraction were identified as the states with the most DUIs.

Statistics regarding alcohol-impaired driving fatalities come from the National Highway Traffic Safety Association’s most recent reporting. The estimates for the penalty cost of a first-time DUI offense in each state were drawn from DrivingLaws.org.

US States with the Most DUIs (2021)

1. North Dakota - Share of drivers with a DUI on record: 4.96%

2. Wyoming - Share of drivers with a DUI on record: 4.68%

3. South Dakota - Share of drivers with a DUI on record: 3.87%

4. Wisconsin - Share of drivers with a DUI on record: 3.82%

5. Minnesota - Share of drivers with a DUI on record: 3.79%

6. Nebraska - Share of drivers with a DUI on record: 3.65%

7. Montana - Share of drivers with a DUI on record: 3.54%

8. Alaska - Share of drivers with a DUI on record: 3.50%

9. Iowa - Share of drivers with a DUI on record: 3.44%

10. Idaho - Share of drivers with a DUI on record: 3.41%

States with the Most DUIs

10. Idaho

  • Share of drivers with a DUI on record: 3.41%

  • Share of alcohol-impaired traffic fatalities (2018): 24%

  • Cost of first-offense DUI fine: up to $1,000

Idaho has the tenth-highest rate of drunk driving in the nation. Gem State drivers are caught behind the wheel while intoxicated 37 percent more often than the national average. While the percentage of alcohol-impaired traffic fatalities in Idaho is slightly lower than average, Idaho drivers should still exercise caution and avoid driving after drinking. Aside from the obvious dangers of doing so, drunk driving in Idaho can be costly, with penalties of up to $1,000 at just the first incident.

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9. Iowa

  • Share of drivers with a DUI on record: 3.44%

  • Share of alcohol-impaired traffic fatalities (2018): 25%

  • Cost of first-offense DUI fine: $625-$1,200

Drivers in Iowa are getting caught for driving under the influence at a rate that’s 38 percent higher than the national average. Indeed, a quarter of traffic fatalities in the Hawkeye State have been directly caused by alcohol impairment. The state of Iowa does seem to recognize the severity of this issue and is trying to crack down on drunk driving, as the penalty for a first-offense DUI will cost you a pretty penny.

8. Alaska

  • Share of drivers with a DUI on record: 3.50%

  • Share of alcohol-impaired traffic fatalities (2018): 37%

  • Cost of first-offense DUI fine: $1,500 (minimum)

Alaska may be the Last Frontier in America, but when it comes to drunk driving, the state ranks close to first. Drivers in Alaska have a DUI rate that is 39 percent greater than the national average, landing it the eighth spot in the rankings of the most drunk driving-prone states. First-time violators of impaired driving laws in Alaska be warned; at $1,500 the minimum fine for a DUI violation is one of the highest in the nation.

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7. Montana

  • Share of drivers with a DUI on record: 3.54%

  • Share of alcohol-impaired traffic fatalities (2018): 43%

  • Cost of first-offense DUI fine: $300-$1,000

Montana’s rate of drunk driving is nearly 40 percent higher than the national average, and seventh-highest in the nation. Drinking and driving in the Treasure State is not an issue to be swept under the rug: the proportion of traffic deaths due to alcohol impairment is 35 percent greater than the national average and accounts for close to half (43 percent) of all statewide traffic fatalities.

6. Nebraska

  • Share of drivers with a DUI on record: 3.65%

  • Share of alcohol-impaired traffic fatalities (2018): 29%

  • Cost of first-offense DUI fine: up to $500

DUI rates in Nebraska, the sixth state in the rankings, eclipse the national average by 41 percent. While the percentage of traffic deaths due to alcohol impairment is on par with the national average, rates of drunk driving still present a major problem in the Cornhusker State. Given the above-average prevalence of this dangerous and often fatal driving habit, it’s surprising that the state’s penalty for first-time DUI offenders is comparatively lower than the majority of the nation’s, with $500 as the maximum fine, not as the minimum as it is for most other states.

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5. Minnesota

  • Share of drivers with a DUI on record: 3.79%

  • Share of alcohol-impaired traffic fatalities (2018): 28%

  • Cost of first-offense DUI fine: $1,000

Minnesota’s drunk driving rate exceeds the national average by 44 percent, earning it the fifth spot among the top ten states with the most DUIs. While its share of fatalities caused by drinking and driving is on par with the national average, drivers in the North Star state ought to be wary of getting behind the wheel after having a few too many: the minimum fine violators have to pay is on the higher end of the nationwide spectrum.

4. Wisconsin

  • Share of drivers with a DUI on record: 3.82%

  • Share of alcohol-impaired traffic fatalities (2018): 33%

  • Cost of first-offense DUI fine: $150-$300

In America’s Dairyland, milk isn’t the only beverage of choice. Wisconsin has maintained its status as the state with the fourth-highest DUI rate in the nation since last year. This year, its percentage of drivers with a prior DUI violation is 44 percent higher than the national average. For a state that has a higher rate of alcohol-impaired traffic deaths than the rest of the country, it’s shocking that the penalty for a first-time DUI offense is comparatively lower than most other states.

3. South Dakota

  • Share of drivers with a DUI on record: 3.87%

  • Share of alcohol-impaired traffic fatalities (2018): 33%

  • Cost of first-offense DUI fine: $1,000

South Dakota’s drunk driving rate is the third-highest in the nation for the second year in a row. Drivers in the Mount Rushmore State have broken impaired driving laws at a rate that’s nearly one and a half times the national average. Additionally, South Dakota’s share of traffic fatalities caused by alcohol impairment is 16 percent higher than the rest of the nation’s. However, penalty costs of a DUI offense in South Dakota are comparatively high, suggesting that on some level, the state takes these violations very seriously.

2. Wyoming

  • Share of drivers with a DUI on record: 4.68%

  • Share of alcohol-impaired traffic fatalities (2018): 32%

  • Cost of first-offense DUI fine: up to $750

Wyoming is the least populous and least densely populated state in the nation, but unfortunately that has not prevented drunk drivers in the Cowboy State from landing it second in the nation for  DUI rates. Consistent with its rank from last year’s list, DUIs in Wyoming occur 54 percent more frequently than the national average. While a first-offense DUI fine in Wyoming is not the highest in the nation, it’s by far not the cheapest, and can additionally result in a 90 day license suspension or even jail time.

1. North Dakota

  • Share of drivers with a DUI on record: 4.95%

  • Share of alcohol-impaired traffic fatalities (2018): 29%

  • Cost of first-offense DUI fine: $500-$750

Maintaining its position at number one for the second year in a row, North Dakota has the highest share of drunk drivers in the nation in 2021. With a DUI rate that’s a whopping 57 percent above the national average, the Peace Garden State doesn’t seem that serene after all — at least on the roads. Both the percentage of traffic deaths caused by alcohol impairment and the penalty fine for first-time DUI offenses are consistent with the national average. However, based on the share of North Dakotans receiving DUI citations each year, it’s clear that drivers in the state are drinking and driving at exceedingly dangerous levels.

Data Attribution

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If you have any questions or comments about this article or would like to request the data, please contact insights@insurify.com.

Insurify Insights
Insurify InsightsData & Research Team

Insurify’s team of data scientists and content specialists presents Insurify Insights, a series of automotive, home, and health studies focusing on the topics that impact us all. Through expert analysis of over 4 million car insurance applications and an array of top data sources, the Insurify Insights team produces new data-driven articles, trend analyses, regional superlatives, and national rankings every week. See Insurify Insights as featured in Forbes, Fox News, USA Today, NPR, and more.