Guide 50 States

Car Insurance Costs by State

Car insurance premiums vary enormously by state — from under $1,200/year to over $3,000/year. Factors include state regulations, litigation costs, weather, traffic density, and minimum coverage requirements.

Verified Data Ranked by Avg Annual Premium Editorially Reviewed Updated
Key Takeaways
  • Maine ranks #1 with the lowest avg annual premium at $1,240.
  • Louisiana ranks last at $2,840 — the highest among all states.
  • The top 5 states are Maine, Iowa, New Hampshire, Idaho, Vermont.
  • All data is sourced from verified government databases and updated for 2026.

Top 3 States

1
Maine
Lowest Avg Annual Premium
Avg Annual Premium $1,240
COL Index 109.4
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2
Iowa
Lowest Avg Annual Premium
Avg Annual Premium $1,280
COL Index 90.1
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3
New Hampshire
Lowest Avg Annual Premium
Avg Annual Premium $1,290
COL Index 112.6
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All 50 States Ranked

Lowest to highest by avg annual premium

Scroll horizontally to see all columns
#StateAvg Annual PremiumCOL Index Calculator
1 Maine
$1,240
109.4
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2 Iowa
$1,280
90.1
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3 New Hampshire
$1,290
112.6
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4 Idaho
$1,310
97.7
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5 Vermont
$1,310
114.5
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6 North Dakota
$1,350
92.5
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7 Ohio
$1,350
90.8
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8 Wisconsin
$1,360
93.3
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9 Hawaii
$1,380
193.3
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10 Indiana
$1,420
90.5
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11 South Dakota
$1,420
92.6
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12 Wyoming
$1,420
95.2
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13 Virginia
$1,430
103.7
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14 Utah
$1,450
101.3
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15 New Mexico
$1,480
94.6
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16 Montana
$1,510
101.6
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17 Alaska
$1,520
125.9
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18 Nebraska
$1,520
90.8
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19 West Virginia
$1,520
84.1
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20 North Carolina
$1,540
95.1
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21 Kansas
$1,610
86.3
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22 Massachusetts
$1,620
135
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23 Minnesota
$1,620
96.8
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24 Oregon
$1,620
113.1
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25 Pennsylvania
$1,640
98.7
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26 Tennessee
$1,640
89.7
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27 Arkansas
$1,680
89
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28 Delaware
$1,680
101.5
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29 Washington
$1,680
110.7
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30 Missouri
$1,700
89.8
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31 Rhode Island
$1,740
107.8
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32 South Carolina
$1,770
95
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33 Alabama
$1,780
88.1
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34 Mississippi
$1,780
83.3
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35 Illinois
$1,840
96.4
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36 Maryland
$1,840
115.4
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37 New Jersey
$1,920
115.2
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38 Connecticut
$1,950
112.8
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39 Georgia
$1,980
93.4
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40 Kentucky
$1,980
90.3
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41 Colorado
$2,050
105.1
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42 Oklahoma
$2,050
86.6
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43 Arizona
$2,120
102.2
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44 Texas
$2,150
93.9
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45 Nevada
$2,240
104.2
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46 California
$2,290
142.2
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47 New York
$2,340
123.8
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48 Michigan
$2,470
91.4
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49 Florida
$2,560
102.8
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50 Louisiana
$2,840
91.1
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Methodology

How we collected and ranked the data

Average annual premiums from Insurance Information Institute and state insurance department filings. Rates reflect full coverage (liability + collision + comprehensive) for average drivers.

Government data sources Updated annually Editorially reviewed

Frequently Asked Questions

Which state has the cheapest car insurance?

Maine, Vermont, and Idaho typically have the lowest average car insurance premiums, often under $1,300/year.

Why is car insurance so expensive in some states?

States with high premiums (Michigan, Louisiana, Florida) often have no-fault insurance laws, high litigation rates, extreme weather, or dense urban traffic.