Illinois — 7th District
119th Congress · 231 ZIP codes · Avg score 65/100 · Grade C · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Illinois's 7th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 60179 | Hoffman Estates | 83 | B | 0 |
| 2 | 60192 | Hoffman Estates | 83 | B | 0 |
| 3 | 60301 | Oak Park | 83 | B | 0 |
| 4 | 60302 | Oak Park | 83 | B | 0 |
| 5 | 60303 | Oak Park | 83 | B | 0 |
| 6 | 60304 | Oak Park | 83 | B | 0 |
| 7 | 60455 | Bridgeview | 83 | B | 0 |
| 8 | 60526 | La Grange Park | 83 | B | 0 |
| 9 | 60706 | Harwood Heights | 83 | B | 0 |
| 10 | 60805 | Evergreen Park | 83 | B | 0 |
| 11 | 60043 | Kenilworth | 82 | B | 1 |
| 12 | 60202 | Evanston | 82 | B | 0 |
| 13 | 60482 | Worth | 82 | B | 3 |
| 14 | 60130 | Forest Park | 81 | B | 1 |
| 15 | 60141 | Hines | 81 | B | 2 |
| 16 | 60204 | Evanston | 81 | B | 0 |
| 17 | 60208 | Evanston | 81 | B | 0 |
| 18 | 60209 | Evanston | 81 | B | 0 |
| 19 | 60467 | Orland Park | 81 | B | 1 |
| 20 | 60082 | Techny | 80 | B | 0 |
| 21 | 60186 | West Chicago | 80 | B | 3 |
| 22 | 60017 | Des Plaines | 79 | B | 3 |
| 23 | 60019 | Des Plaines | 79 | B | 3 |
| 24 | 60163 | Berkeley | 79 | B | 0 |
| 25 | 60476 | Thornton | 79 | B | 5 |
| 26 | 60169 | Hoffman Estates | 78 | B | 0 |
| 27 | 60418 | Crestwood | 78 | B | 0 |
| 28 | 60425 | Glenwood | 78 | B | 0 |
| 29 | 60443 | Matteson | 78 | B | 0 |
| 30 | 60454 | Oak Lawn | 78 | B | 7 |
| 31 | 60458 | Justice | 78 | B | 0 |
| 32 | 60466 | Park Forest | 78 | B | 0 |
| 33 | 60803 | Alsip | 78 | B | 1 |
| 34 | 60201 | Evanston | 77 | B | 0 |
| 35 | 60203 | Evanston | 77 | B | 0 |
| 36 | 60402 | Berwyn | 77 | B | 2 |
| 37 | 60008 | Rolling Meadows | 76 | B | 1 |
| 38 | 60089 | Buffalo Grove | 76 | B | 2 |
| 39 | 60133 | Hanover Park | 76 | B | 1 |
| 40 | 60162 | Hillside | 76 | B | 0 |
| 41 | 60478 | Country Club Hills | 76 | B | 1 |
| 42 | 60107 | Streamwood | 75 | B | 1 |
| 43 | 60185 | West Chicago | 75 | B | 3 |
| 44 | 60415 | Chicago Ridge | 75 | B | 0 |
| 45 | 60464 | Palos Park | 74 | B | 11 (1 health) |
| 46 | 60475 | Steger | 74 | B | 2 |
| 47 | 60950 | Manteno | 74 | B | 2 |
| 48 | 60422 | Flossmoor | 73 | B | 0 |
| 49 | 60445 | Midlothian | 73 | B | 1 |
| 50 | 60456 | Hometown | 73 | B | 2 |
Overview
Illinois's 7th District serving an estimated 241,975,084 residents encompasses 231 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (65/100).
5465 EPA violations have been recorded across this district's water systems. 271 are health-based violations. About 68% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Gross Beta — 1160 violations
- Chlorite — 1068 violations
- Surface Water Treatment Rule — 504 violations
- Revised Total Coliform Rule — 481 violations
- Consumer Confidence Report Rule — 478 violations
Housing Context
Homes in this district were built on average around 1960 (~66 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 11 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 231 ZIP codes in Illinois's 7th District.