Naperville, IL cannabis price index
Flower in Naperville typically costs $9.32 per gram (average $10.48) — measured across 281 priced listings at 1 licensed dispensaries.
Comparable range $6.45–$15.86 per gram · index refreshed Sep 23, 2026
↑ See the statewide Illinois flower price index
Naperville flower prices by package size
Averages of the real packages on Naperville menus — not a per-gram figure multiplied up.
| Size | Average | Lowest | Average per gram | Listings |
|---|---|---|---|---|
| Eighth (3.5g) | $45.97 | $30.50 | $13.13 | 90 |
| Quarter (7g) | $61.68 | $35.50 | $8.81 | 88 |
| Half (14g) | $106.21 | $65.50 | $7.59 | 56 |
| Ounce (28g) | $181.13 | $120.50 | $6.47 | 32 |
How this index is built
Each priced flower listing in Naperville whose package size is published on the menu is converted to a price per gram. Listings with no published size are excluded rather than estimated, which is why the listing count here is smaller than the total menu count.
Go deeper: cheapest weed in Naperville, cheap ounces, cheapest flower per gram, Naperville deals.
Figures come from licensed Illinois dispensary menus and change constantly. Adults 21+ only.