For a 40-year-old driver with a clean record, Columbia car insurance averages about $184 a month ($2,205 a year) for full coverage, based on the rates insurers had filed with state regulators as of Aug. 31, 2026. That’s 7% below the Maryland average of $197 a month. GEICO has the lowest full-coverage average of the five major insurers we compared (Allstate, Erie, GEICO, Progressive and State Farm) that are among insurers anyone can buy from, at about $132 a month.
Columbia sits between Baltimore and Washington, but its car insurance prices look nothing like either city’s. Our benchmark driver pays about $89 a month less here than in Baltimore, and about $13 a month less than the Maryland average.
Our figures cover the three ZIP codes with a Columbia mailing address that we price, 21044, 21045 and 21046. For cheap car insurance in Columbia, MD, the insurer you pick matters far more than your ZIP code.
Cost data comes from the auto rates insurers file with state regulators, priced across all three Columbia ZIP codes in our data, compiled by Quadrant Information Services and updated as new rates are filed.
Rates as of Aug. 31, 2026. Page reviewed Oct. 7, 2026.
Full coverage in Columbia averages $2,205 a year, or about $184 a month, for our benchmark driver. Liability-only coverage at 20/40/15 limits averages $1,031 a year ($86 a month), and 50/100/50 liability with comprehensive and collision averages $2,162 ($180 a month).
Allstate is far more expensive than the other insurers here: its full-coverage average of about $345 a month is 2.3 times the average of the other five. We keep it in our averages because it’s a rate the insurer filed with state regulators; without Allstate, the Columbia average would be about $152 a month.
GEICO has the lowest full-coverage average among the insurers in our Columbia rate data that are among insurers anyone can buy from. USAA averages even less, at $114 a month, but it sells only to military members, veterans and their families. Four of the seven published 2026 statewide Maryland rate studies we reviewed rank GEICO cheapest for full coverage, apart from USAA, and the other three each put a different insurer first. For liability-only coverage at 20/40/15 limits, averages run from about $46 to $176 a month; the lowest is far enough below the rest that we don’t name a cheapest insurer for that coverage level.
Full-coverage averages by insurer in Columbia
Monthly, for the same driver and car. Insurers marked with an asterisk in the table below aren’t in the chart.
Rates insurers filed with state regulators, compiled by Quadrant Information Services, as of Aug. 31, 2026. Benchmark 40-year-old driver, 100/300/100 with $500 deductibles.
| Insurance Company: | Liability Only 20/40/15 (Yearly): | Liability Only 20/40/15 (Monthly): | Full Coverage (Yearly): | Full Coverage (Monthly): |
|---|---|---|---|---|
| USAA (military families) | $399 | $33 | $1,365 | $114 |
| GEICO | $547 | $46 | $1,587 | $132 |
| Erie | $832 | $69 | $1,951 | $163 |
| Progressive | $1,328 | $111 | $2,032 | $169 |
| State Farm | $975 | $81 | $2,157 | $180 |
| Allstate | $2,107 | $176 | $4,137 | $345 |
| Travelers* | $785 | $65 | $1,894 | $158 |
| Nationwide* | $975 | $81 | $2,053 | $171 |
| Columbia average | $1,031 | $86 | $2,205 | $184 |
This table uses Columbia ZIP codes only. See how we calculated these rates. Your own price depends on your car, driving record and coverage, so compare auto insurance quotes before you buy.
Across the three Columbia ZIP codes we price, full coverage for our driver ranges from about $183 a month in 21045 and 21046 to $185 in 21044, a gap of $21 a year. All three sit within about $2 a month of one another, so where you live in Columbia barely changes the price.
Lowest-priced Columbia ZIP codes
Highest-priced Columbia ZIP code
Search the table for your ZIP code. The last column shows how far each ZIP code is above or below Columbia’s average.
| ZIP Code: | Liability Only 20/40/15 (Yearly): | Liability Only 20/40/15 (Monthly): | Full Coverage (Yearly): | Full Coverage (Monthly): | Full Coverage vs. City Average: |
|---|---|---|---|---|---|
| 21044 | $1,037 | $86 | $2,219 | $185 | +1% |
| 21045 | $1,023 | $85 | $2,198 | $183 | -1% |
| 21046 | $1,035 | $86 | $2,198 | $183 | -1% |
Your ZIP code matters
Raising liability limits from 50/100/50 to 100/300/100 adds only about $43 a year on average in our Columbia data, with the same $500 deductibles. The full-coverage package doubles the per-person injury limit, triples the per-crash limit and doubles the property damage limit, and it raises uninsured and underinsured motorist coverage to 100/300. Allstate and Erie charge less for 100/300/100 than for 50/100/50 for our benchmark driver.
Not for our benchmark driver. Comparing the five insurers that are in both sets of rates, in the same Columbia ZIP codes, their full-coverage average fell from $1,906 a year nine months earlier to $1,818 in rates as of Aug. 31, 2026, a 4.6% drop. Progressive cut its Columbia average 8.6%, Erie 8.4% and State Farm 2.8%, while GEICO’s and USAA’s averages were about unchanged. Allstate is new in our rates over the past nine months, so it’s left out, which is why these averages differ from the Columbia average above. Liability-only coverage at 20/40/15 limits fell 0.1%, led by USAA, which cut its liability-only average 18.6%.
Columbia’s prices track Howard County’s, which averages $2,217 a year for full coverage in our data, the eighth-most expensive of Maryland’s 24 jurisdictions. Even so, the county runs about $84 a month below Baltimore City.
What moves your price in Columbia is the insurer you choose. GEICO’s average is about $213 a month below Allstate’s here, and even the gap between GEICO and the next-lowest major insurer we compared, Erie, is about $31 a month. Where your car is kept is one of the factors Maryland insurers use, so neighboring towns can be priced differently.
More Maryland cities and towns are in the Maryland rates by city table, and you can compare states on our car insurance rates by state page.
Ellicott City, about six miles northeast, averages about $185 a month in our data, almost identical to Columbia, and Laurel, about seven miles south, runs about $199. Baltimore, about 15 miles northeast, averages $273, and Germantown, about 22 miles west, $182. For the statewide picture, see our guide to Maryland car insurance rates.
Drivers in Columbia follow Maryland’s rules. To register and drive a car, your policy must include at least:
Since July 1, 2024, new Maryland policies also include enhanced underinsured motorist coverage, which pays on top of the at-fault driver’s insurance, unless you turn it down in writing. The liability-only prices on this page use 20/40/15 limits, below that minimum. Our Maryland requirements guide covers your PIP choices and the penalties for letting your coverage lapse.
Ready to compare
Insurers must file their rates and rating rules with each state’s insurance regulator. Quadrant Information Services uses those filings to calculate what each insurer would charge a specific driver, and InsuranceQuotes analyzes those prices. This page uses rates in effect on Aug. 31, 2026.
Coverage requirements come from Maryland law and the Maryland Insurance Administration. We refresh these figures when new rate data is released.
For our benchmark driver, full coverage in Columbia averages about $184 a month ($2,205 a year) and liability-only coverage at 20/40/15 limits about $86 a month, based on the rates insurers had filed with state regulators as of Aug. 31, 2026. Full coverage is 7% below the Maryland average of $197 a month.
GEICO has the lowest full-coverage average among insurers anyone can buy from in our Columbia rate data, at about $132 a month, followed by Erie at $163, among the five major insurers we compared. USAA, which sells only to military members, veterans and their families, has a lower average still ($114 a month). For liability-only coverage at 20/40/15 limits, averages run from about $46 to $176 a month. Rates vary by driver, so compare quotes for your own car and ZIP code.
Yes, for our benchmark driver. Columbia full coverage averages about $184 a month and Baltimore about $273, a difference of about $89 a month for the same driver and car.
In our data, 21045 and 21046 share the lowest full-coverage average in Columbia, at about $183 a month, and 21044 the highest, at about $185. The ZIP code table on this page lists all three.
In our Columbia data, full coverage (100/300/100 with $500 deductibles) averages about $184 a month and liability-only coverage at 20/40/15 limits about $86, a difference of about $98 a month ($1,174 a year). Liability-only coverage won’t pay to repair or replace your own car after a crash, a theft or a storm. Maryland law doesn’t require full coverage, but a lender or leasing company may.
Drivers in Columbia must carry Maryland’s minimums: $30,000 per person and $60,000 per crash for injuries and $15,000 for property damage (30/60/15), uninsured and underinsured motorist coverage at the same amounts plus $15,000 for uninsured motorist property damage, and $2,500 of personal injury protection unless the first named insured waives it in writing.
Not for our benchmark driver. Comparing the five insurers in both sets of rates (Allstate is new over the past nine months), their Columbia full-coverage average fell 4.6%, from about $1,906 to $1,818 a year. That’s lower than the Columbia average of $2,205 because it leaves out Allstate. Progressive cut its Columbia average 8.6%, Erie 8.4% and State Farm 2.8%. Liability-only coverage at 20/40/15 limits fell 0.1%.
For our benchmark driver, full coverage in Columbia averages about $184 a month. Nearby, Baltimore averages about $273, Germantown about $182 and Frederick about $162. Germantown and Frederick are cheaper; prices depend mostly on ZIP code, so compare quotes for your own address.
