For a 40-year-old driver with a clean record, Marion car insurance averages about $193 a month ($2,311 a year) for full coverage, based on the rates insurers had filed with state regulators as of Aug. 31, 2026. That’s about the same as the Iowa average of $196 a month. Full-coverage averages in Marion run from about $121 to $246 a month across the four major insurers we compared (Farm Bureau Financial Services, Grinnell Mutual, IMT Insurance and Progressive).
Marion is priced about the same as the Iowa average and a little below Cedar Rapids for our benchmark driver: about $2 a month less than its larger neighbor.
Marion has one ZIP code in our data, 52302.
Cost data comes from the auto rates insurers file with state regulators, priced in Marion’s ZIP code, 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 Marion averages $2,311 a year, or about $193 a month, for our benchmark driver. Liability-only coverage at Iowa’s 20/40/15 minimum averages $470 a year ($39 a month), and 50/100/50 liability with comprehensive and collision averages $2,437 ($203 a month).
Progressive’s Marion average, about $121 a month, is 30.5% below IMT Insurance’s ($174), a lead wide enough that we show the range instead of naming a single cheapest insurer. The recent published statewide Iowa rate studies we reviewed most often rank Travelers cheapest for full coverage: five of the six we checked put it first and one ranks Progressive, apart from USAA, which sells only to military families. For liability-only coverage at 20/40/15 limits, averages run from about $19 to $74 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 Marion
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: | Minimum Liability 20/40/15 (Yearly): | Minimum Liability 20/40/15 (Monthly): | Full Coverage (Yearly): | Full Coverage (Monthly): |
|---|---|---|---|---|
| Progressive | $225 | $19 | $1,454 | $121 |
| IMT Insurance | $337 | $28 | $2,093 | $174 |
| Farm Bureau Financial Services | $427 | $36 | $2,746 | $229 |
| Grinnell Mutual | $891 | $74 | $2,951 | $246 |
| State Farm (Nov. 2025 rates)* | $401 | $33 | $1,700 | $142 |
| Travelers* | $578 | $48 | $1,487 | $124 |
| USAA (military families)* | $405 | $34 | $1,506 | $126 |
| West Bend* | $363 | $30 | $1,707 | $142 |
| Auto-Owners* | $390 | $33 | $1,775 | $148 |
| GEICO* | $395 | $33 | $2,028 | $169 |
| Marion average | $470 | $39 | $2,311 | $193 |
This table uses Marion’s ZIP code only. See how we calculated these rates. Your own price depends on your car, driving record and coverage, so compare free car insurance quotes before you buy.
Your ZIP code matters
Full coverage at 100/300/100 limits costs less on average than 50/100/50 in our Marion data: $2,311 a year compared with $2,437, 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. Grinnell Mutual and IMT Insurance charge less for 100/300/100 than for 50/100/50 for our benchmark driver.
Yes, for our benchmark driver. Comparing the same insurers in the same Marion ZIP code, full coverage averaged $2,230 a year nine months earlier and $2,311 in rates as of Aug. 31, 2026, a 3.6% increase. Progressive raised its average 28.7%, while Farm Bureau Financial Services’, Grinnell Mutual’s and IMT Insurance’s averages were unchanged. State Farm’s latest rates are from November 2025, so it’s left out of this comparison. Liability-only coverage at 20/40/15 limits rose 3.3%, led by Progressive, which raised its liability-only average 35.5%.
Linn County averages about $195 a month for full coverage, the 41st-most expensive of the 70 Iowa counties we price.
Hiawatha averages about $188 a month, and Mount Vernon, to the southeast, $206. Where you live is one of the factors Iowa insurers use, so neighboring cities can be priced differently.
More Iowa cities and towns are in the Iowa rates by city table, and you can compare states on our car insurance rates by state page.
Cedar Rapids, next door, averages $195 a month, and Iowa City, about 25 miles south, $158.
Drivers in Marion follow Iowa’s rules. Every policy must include at least:
Our Iowa requirements guide covers the details and the penalties for driving uninsured.
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 Iowa law and the Iowa Insurance Division. We refresh these figures when new rate data is released.
The table below comes from an additional InsuranceQuotes rate analysis with its own driver profile, so its prices differ from the Marion averages above. Use it to compare age groups with each other.
In this analysis, a 17-year-old pays about 2.4 times what a 39-year-old pays for full coverage, and prices keep falling into a driver’s 60s.
| Age: | State Minimum: | Monthly: | Full Coverage: | Monthly: |
|---|---|---|---|---|
| 17 | $1,510 | $126 | $5,825 | $485 |
| 18 | $1,325 | $110 | $5,289 | $441 |
| 20 | $1,054 | $88 | $4,537 | $378 |
| 22 | $839 | $70 | $3,729 | $311 |
| 24 | $729 | $61 | $3,352 | $279 |
| 29 | $547 | $46 | $2,654 | $221 |
| 34 | $518 | $43 | $2,494 | $208 |
| 39 | $510 | $43 | $2,434 | $203 |
| 44 | $496 | $41 | $2,340 | $195 |
| 49 | $495 | $41 | $2,285 | $190 |
| 54 | $446 | $37 | $2,087 | $174 |
| 64 | $438 | $37 | $1,993 | $166 |
| 74 | $545 | $45 | $2,210 | $184 |
| 76 | $614 | $51 | $2,377 | $198 |
For our benchmark driver, full coverage in Marion averages about $193 a month ($2,311 a year) and liability-only coverage about $39 a month, based on the rates insurers had filed with state regulators as of Aug. 31, 2026. Full coverage is about the same as the Iowa average of $196 a month.
It depends on the coverage. For full coverage, averages in Marion run from about $121 to $246 a month across the four major insurers we compared, and the gap between the two lowest is too wide for us to call one insurer the cheapest. For liability-only coverage, averages run from about $19 to $74 a month. Five of the six recent published statewide Iowa rate studies we reviewed rank Travelers cheapest for full coverage, apart from USAA. Rates vary by driver, so compare quotes for your own car and ZIP code.
They’re about the same for our benchmark driver: Marion full coverage averages about $193 a month and Cedar Rapids about $195.
Marion, for our benchmark driver. Marion full coverage averages about $193 a month and Des Moines about $201, a difference of about $8 a month for the same driver and car.
In our Marion data, full coverage (100/300/100 with $500 deductibles) averages about $193 a month and liability-only coverage at 20/40/15 limits about $39, a difference of about $154 a month ($1,841 a year). Liability-only coverage won’t pay to repair or replace your own car after a crash, a theft or a storm. Iowa law doesn’t require full coverage, but a lender or leasing company may.
Yes, for our benchmark driver. Comparing the same insurers and ZIP code, Marion full coverage rose 3.6% over the past nine months, from about $2,230 to $2,311 a year. Progressive raised its average 28.7%. Liability-only coverage at 20/40/15 limits rose 3.3%.
For our benchmark driver, full coverage in Marion averages about $193 a month. Nearby, Cedar Rapids averages about $195, Iowa City about $158 and Waterloo about $195. Iowa City is cheaper; prices depend mostly on ZIP code, so compare quotes for your own address.