Car insurance in Westmont, Illinois runs about $1,290 a year for full coverage, close to a thousand dollars under the Illinois statewide full-coverage average of $2,300. Most people driving through this DuPage County village on Cass Avenue have no idea it was built on bricks — literally. Westmont started life as Bushville, a brickyard-and-rail stop, and that working past still shapes how insurers size up the area now.

Westmont average cost: roughly $1,290/yr for full coverage. Illinois statewide minimum-coverage average: about $650/yr. Full-coverage average: about $2,300/yr. State minimum liability: 25/50/20, with mandatory uninsured/underinsured motorist bodily injury coverage on every policy. Regulator: Illinois Department of Insurance.

A Brickyard Named Bushville

Before it was Westmont, the settlement was called Bushville, and its biggest employer wasn't a factory or an office park — it was a brick company. William Gregg opened the operation shortly after the Great Chicago Fire of 1871, and local history credits the plant with supplying a large share of the brick used to rebuild the city.

That brickyard drew laborers and their families to settle nearby, and the working-class footprint they left behind still defines Westmont's older blocks near downtown, long after the kilns went cold and the village incorporated in 1921.

The Rail Line That Never Stopped Running

Take a driver named Marcus, who assumed the BNSF Metra line slicing through central Westmont was a modern addition. It isn't. The Chicago, Burlington & Quincy Railroad started stopping here in 1864, decades before the brickyard and long before any zoning code existed.

That rail corridor is still active today, carrying Metra commuters into the Loop and freight traffic alongside them. It adds grade crossings and local traffic patterns, but it doesn't factor into an insurer's math the way driving record and address-level claims do.

How a Rating Territory Actually Works

Insurers don't price a Westmont policy because of a 160-year-old train stop or a 19th-century brick kiln. They price it using a rating territory built from ZIP code and county-level claims data — thefts, collisions, and break-ins reported at addresses in that territory over time.

Westmont's mix of older rail-era housing and newer development near the Esplanade corridor has built a claims record in line with other settled DuPage County suburbs, and that record is the real reason local averages sit well below the statewide full-coverage figure.

What Westmont Drivers Should Check Before Renewing

  • Confirm your rating territory: make sure the quote reflects your exact Westmont address and ZIP code, not a generic DuPage County estimate.
  • Carry the mandatory uninsured motorist coverage: Illinois requires it on every policy at the same 25/50 limits as bodily injury liability.
  • Don't assume rail or highway proximity moves your rate: claims history at your address carries far more weight with underwriters.
  • Shop more than one carrier: our premium-lowering guide covers the factors worth checking before your next renewal.

Westmont's brickyard-and-rail roots make for a good story, but they don't set your insurance bill. Driving record, vehicle, and the claims history tied to your exact address do — and checking those against a few carriers is still the most reliable way to keep a Westmont policy below the state average.