Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $355.69 | 4970 |
| Medium Quality | $282.99 | 4685 |
| Low Quality | $194 | 408 |
| Irving, Illinois | $300 | an ounce | medium quality | July 25, 2014 |
| Chatham, Illinois | $400 | an ounce | medium quality | July 25, 2014 |
| Aurora, Illinois | $350 | an ounce | high quality | July 25, 2014 |
| Glen Ellyn, Illinois | $10 | 10 grams | high quality | July 25, 2014 |
| Normal, Illinois | $100 | 5 grams | high quality | July 24, 2014 |
| Morton Grove, Illinois | $300 | an ounce | medium quality | July 24, 2014 |
| Batavia, Illinois | $160 | a half ounce | high quality | July 24, 2014 |
| Glenwood, Illinois | $25 | an eighth | high quality | July 24, 2014 |
| Chicago, Illinois | $50 | a quarter | high quality | July 24, 2014 |
| Chicago, Illinois | $300 | an ounce | high quality | July 24, 2014 |
| Orland Park, Illinois | $190 | a half ounce | high quality | July 24, 2014 |
| Chicago, Illinois | $175 | an ounce | medium quality | July 24, 2014 |
| Grayslake, Illinois | $75 | an eighth | medium quality | July 24, 2014 |
| Chicago, Illinois | $55 | an eighth | medium quality | July 24, 2014 |
| Plainfield, Illinois | $50 | 5 grams | medium quality | July 24, 2014 |