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Storage unit cost in Illinois

Storage unit prices in Illinois average $103/month for a 10x10 unit based on 405 verified facilities across 76 Illinois cities in the StorageAtlas index.

Illinois price by unit size

SizeAvg / mo
5×5$42
5×10$69
10×10$103
10×15$161
10×20$141
10×30$176

Illinois storage prices by city

Cheapest Illinois markets
Priciest Illinois markets

What affects storage unit cost in Illinois

Unit size. The largest lever: a 5x5 locker costs a fraction of a 10x20 that holds a multi-bedroom home. Match the size to what you actually store rather than rounding up.

Climate control. Heated and humidity-controlled units carry a premium over standard drive-up units, and matter more in Illinois for anything sensitive to temperature swings.

Location and demand. Facilities in dense, high-demand parts of Illinois charge more than those on the outskirts. Driving a few extra minutes often lowers the rate.

Access and term. 24-hour access, ground-floor drive-up, and month-to-month flexibility can each add to the price; longer commitments and upper floors usually cost less.

Top-rated storage facilities in Illinois

Frequently Asked Questions

How much does a storage unit cost in Illinois?+

In Illinois, a 10x10 storage unit averages $103/month, a 5x10 averages $69/month, and a 10x20 averages $141/month. Prices are based on real units indexed across 405 facilities.

Which Illinois city has the cheapest storage?+

Among indexed Illinois cities, Chicago has the lowest observed starting rate at $15/month. Aurora and Winfield also rank among the most affordable.

Which Illinois city has the most expensive storage?+

West Chicago has the highest observed starting rate in Illinois at $250/month, typically driven by higher demand and land cost.