Lead Paint Risk in DuPage County, Illinois
54.3%Pre-1978 Housing
198,881Pre-1978 Units
366,099Total Housing Units
219Census Tracts
How to Interpret This
This is an area-level screening signal based on Census housing-age data. It does not confirm lead paint in any specific home. Homes built before 1978 may contain lead-based paint, and certified inspection or testing is the only way to confirm a property-level hazard.
Reporter / Resident Story Kit
- 198,881 housing units in DuPage County were built before 1978.
- The county's pre-1978 housing share is 54.3%, compared with the state rate of 64.1%.
- Local questions: Which neighborhoods have the oldest housing stock? Are lead-safe renovation resources available? Do renters and families with young children know how to request testing?
Highest-Risk Census Tracts
Individual census tracts ranked by pre-1978 housing percentage. Showing the top 100 of 219 tracts; download the full county tract CSV.
| Tract | Pre-1978 | Total | Risk Rate | 1970s | 1960s | 1950s | 1940s | ≤1939 |
|---|---|---|---|---|---|---|---|---|
| Census Tract 8436.02 | 1,060 | 1,127 | 94.1% | 50 | 299 | 412 | 57 | 242 |
| Census Tract 8432 | 2,012 | 2,145 | 93.8% | 175 | 607 | 611 | 44 | 575 |
| Census Tract 8437 | 1,498 | 1,607 | 93.2% | 98 | 78 | 755 | 164 | 403 |
| Census Tract 8431 | 1,689 | 1,821 | 92.8% | 379 | 411 | 509 | 178 | 212 |
| Census Tract 8436.01 | 1,229 | 1,325 | 92.8% | 90 | 392 | 482 | 124 | 141 |
| Census Tract 8409.10 | 1,543 | 1,667 | 92.6% | 422 | 654 | 435 | 32 | 0 |
| Census Tract 8411.10 | 1,263 | 1,386 | 91.1% | 1,143 | 64 | 23 | 0 | 33 |
| Census Tract 8433.02 | 1,092 | 1,211 | 90.2% | 149 | 400 | 345 | 79 | 119 |
| Census Tract 8412.07 | 769 | 861 | 89.3% | 390 | 354 | 8 | 0 | 17 |
| Census Tract 8433.01 | 1,146 | 1,289 | 88.9% | 265 | 207 | 567 | 60 | 47 |
| Census Tract 8467.01 | 1,392 | 1,569 | 88.7% | 229 | 365 | 633 | 150 | 15 |
| Census Tract 8424 | 1,630 | 1,870 | 87.2% | 386 | 227 | 621 | 133 | 263 |
| Census Tract 8415.03 | 816 | 939 | 86.9% | 409 | 103 | 277 | 5 | 22 |
| Census Tract 8419.02 | 688 | 796 | 86.4% | 55 | 73 | 264 | 71 | 225 |
| Census Tract 8462.06 | 1,370 | 1,588 | 86.3% | 602 | 668 | 93 | 7 | 0 |
| Census Tract 8434 | 1,070 | 1,249 | 85.7% | 153 | 340 | 299 | 68 | 210 |
| Census Tract 8466.03 | 1,100 | 1,287 | 85.5% | 318 | 456 | 297 | 29 | 0 |
| Census Tract 8411.09 | 1,259 | 1,478 | 85.2% | 1,137 | 24 | 36 | 24 | 38 |
| Census Tract 8401.04 | 2,016 | 2,377 | 84.8% | 583 | 768 | 405 | 85 | 175 |
| Census Tract 8407.04 | 1,041 | 1,229 | 84.7% | 451 | 205 | 301 | 46 | 38 |
| Census Tract 8455.07 | 1,193 | 1,413 | 84.4% | 275 | 696 | 208 | 0 | 14 |
| Census Tract 8445.01 | 1,103 | 1,309 | 84.3% | 188 | 275 | 393 | 190 | 57 |
| Census Tract 8427.04 | 1,890 | 2,258 | 83.7% | 1,484 | 239 | 38 | 0 | 129 |
| Census Tract 8443.04 | 1,556 | 1,859 | 83.7% | 728 | 599 | 123 | 26 | 80 |
| Census Tract 8442.02 | 709 | 848 | 83.6% | 52 | 377 | 213 | 27 | 40 |
| Census Tract 8420 | 1,282 | 1,544 | 83.0% | 178 | 274 | 322 | 50 | 458 |
| Census Tract 8415.04 | 900 | 1,087 | 82.8% | 71 | 127 | 132 | 50 | 520 |
| Census Tract 8458.11 | 1,180 | 1,431 | 82.5% | 690 | 271 | 159 | 60 | 0 |
| Census Tract 8426.05 | 1,314 | 1,607 | 81.8% | 347 | 210 | 529 | 96 | 132 |
| Census Tract 8401.02 | 1,463 | 1,795 | 81.5% | 523 | 754 | 162 | 8 | 16 |
| Census Tract 8407.06 | 933 | 1,146 | 81.4% | 260 | 288 | 342 | 0 | 43 |
| Census Tract 8411.08 | 1,159 | 1,438 | 80.6% | 951 | 89 | 64 | 55 | 0 |
| Census Tract 8427.06 | 1,468 | 1,836 | 80.0% | 367 | 737 | 274 | 27 | 63 |
| Census Tract 8440.01 | 1,095 | 1,371 | 79.9% | 76 | 544 | 421 | 46 | 8 |
| Census Tract 8456.02 | 1,635 | 2,069 | 79.0% | 499 | 356 | 547 | 54 | 179 |
| Census Tract 8410.04 | 1,254 | 1,592 | 78.8% | 284 | 403 | 298 | 73 | 196 |
| Census Tract 8455.05 | 1,271 | 1,612 | 78.8% | 942 | 261 | 68 | 0 | 0 |
| Census Tract 8467.02 | 1,054 | 1,342 | 78.5% | 225 | 430 | 278 | 111 | 10 |
| Census Tract 8463.05 | 1,671 | 2,136 | 78.2% | 904 | 405 | 189 | 102 | 71 |
| Census Tract 8442.01 | 1,635 | 2,098 | 77.9% | 283 | 386 | 657 | 158 | 151 |
| Census Tract 8428 | 1,450 | 1,865 | 77.7% | 27 | 204 | 754 | 73 | 392 |
| Census Tract 8463.15 | 1,180 | 1,524 | 77.4% | 252 | 854 | 74 | 0 | 0 |
| Census Tract 8435 | 1,759 | 2,282 | 77.1% | 430 | 218 | 354 | 250 | 507 |
| Census Tract 8441 | 1,052 | 1,367 | 77.0% | 68 | 279 | 561 | 75 | 69 |
| Census Tract 8401.01 | 1,359 | 1,767 | 76.9% | 183 | 314 | 689 | 147 | 26 |
| Census Tract 8450 | 1,878 | 2,441 | 76.9% | 77 | 306 | 928 | 233 | 334 |
| Census Tract 8415.01 | 1,243 | 1,620 | 76.7% | 368 | 237 | 196 | 62 | 380 |
| Census Tract 8456.01 | 1,372 | 1,788 | 76.7% | 362 | 355 | 280 | 74 | 301 |
| Census Tract 8462.08 | 951 | 1,245 | 76.4% | 713 | 191 | 28 | 0 | 19 |
| Census Tract 8444.01 | 1,151 | 1,523 | 75.6% | 736 | 370 | 36 | 0 | 9 |
| Census Tract 8427.10 | 1,329 | 1,773 | 75.0% | 872 | 288 | 149 | 11 | 9 |
| Census Tract 8423 | 942 | 1,281 | 73.5% | 164 | 97 | 254 | 50 | 377 |
| Census Tract 8447.01 | 1,219 | 1,662 | 73.3% | 379 | 438 | 237 | 64 | 101 |
| Census Tract 8403.04 | 1,117 | 1,534 | 72.8% | 517 | 497 | 33 | 70 | 0 |
| Census Tract 8422 | 1,466 | 2,017 | 72.7% | 377 | 360 | 133 | 45 | 551 |
| Census Tract 8463.10 | 1,306 | 1,800 | 72.6% | 613 | 566 | 93 | 0 | 34 |
| Census Tract 8409.06 | 890 | 1,229 | 72.4% | 676 | 127 | 65 | 10 | 12 |
| Census Tract 8406 | 1,382 | 1,923 | 71.9% | 16 | 86 | 559 | 214 | 507 |
| Census Tract 8419.01 | 627 | 875 | 71.7% | 308 | 120 | 96 | 52 | 51 |
| Census Tract 8430 | 1,264 | 1,771 | 71.4% | 245 | 87 | 230 | 315 | 387 |
| Census Tract 8407.03 | 1,226 | 1,723 | 71.2% | 516 | 293 | 376 | 26 | 15 |
| Census Tract 8460.02 | 1,955 | 2,746 | 71.2% | 381 | 873 | 372 | 75 | 254 |
| Census Tract 8408.01 | 714 | 1,004 | 71.1% | 179 | 218 | 218 | 32 | 67 |
| Census Tract 8409.01 | 1,208 | 1,703 | 70.9% | 420 | 398 | 279 | 103 | 8 |
| Census Tract 8408.02 | 1,603 | 2,277 | 70.4% | 376 | 192 | 433 | 415 | 187 |
| Census Tract 8448.01 | 1,076 | 1,530 | 70.3% | 83 | 167 | 537 | 174 | 115 |
| Census Tract 8439 | 1,032 | 1,474 | 70.0% | 10 | 152 | 262 | 118 | 490 |
| Census Tract 8463.12 | 2,063 | 2,947 | 70.0% | 1,730 | 306 | 13 | 0 | 14 |
| Census Tract 8418.01 | 1,329 | 1,918 | 69.3% | 166 | 348 | 466 | 93 | 256 |
| Census Tract 8448.02 | 1,111 | 1,615 | 68.8% | 229 | 307 | 378 | 44 | 153 |
| Census Tract 8457.01 | 1,154 | 1,677 | 68.8% | 530 | 249 | 199 | 113 | 63 |
| Census Tract 8411.04 | 1,066 | 1,552 | 68.7% | 454 | 280 | 237 | 40 | 55 |
| Census Tract 8458.10 | 1,316 | 1,920 | 68.5% | 697 | 395 | 204 | 0 | 20 |
| Census Tract 8412.04 | 1,253 | 1,832 | 68.4% | 1,116 | 31 | 4 | 20 | 82 |
| Census Tract 8427.09 | 861 | 1,258 | 68.4% | 338 | 400 | 58 | 7 | 58 |
| Census Tract 8461.03 | 1,305 | 1,915 | 68.1% | 475 | 118 | 61 | 44 | 607 |
| Census Tract 8443.07 | 1,041 | 1,530 | 68.0% | 228 | 453 | 155 | 83 | 122 |
| Census Tract 8438 | 1,012 | 1,508 | 67.1% | 85 | 101 | 297 | 65 | 464 |
| Census Tract 8449.02 | 1,144 | 1,704 | 67.1% | 240 | 216 | 184 | 92 | 412 |
| Census Tract 8440.02 | 946 | 1,415 | 66.9% | 80 | 96 | 351 | 144 | 275 |
| Census Tract 8457.02 | 1,120 | 1,676 | 66.8% | 348 | 383 | 237 | 35 | 117 |
| Census Tract 8414.03 | 1,060 | 1,591 | 66.6% | 256 | 485 | 154 | 93 | 72 |
| Census Tract 8443.06 | 1,950 | 2,956 | 66.0% | 872 | 932 | 20 | 117 | 9 |
| Census Tract 8400 | 630 | 956 | 65.9% | 74 | 174 | 302 | 45 | 35 |
| Census Tract 8449.01 | 1,103 | 1,674 | 65.9% | 181 | 66 | 325 | 81 | 450 |
| Census Tract 8410.03 | 991 | 1,511 | 65.6% | 652 | 205 | 124 | 0 | 10 |
| Census Tract 8445.02 | 1,132 | 1,726 | 65.6% | 790 | 230 | 80 | 19 | 13 |
| Census Tract 8409.04 | 1,121 | 1,721 | 65.1% | 850 | 172 | 92 | 7 | 0 |
| Census Tract 8463.07 | 1,363 | 2,102 | 64.8% | 956 | 324 | 83 | 0 | 0 |
| Census Tract 8411.03 | 963 | 1,490 | 64.6% | 894 | 61 | 8 | 0 | 0 |
| Census Tract 8410.02 | 803 | 1,244 | 64.5% | 239 | 239 | 295 | 0 | 30 |
| Census Tract 8465.23 | 560 | 874 | 64.1% | 142 | 251 | 167 | 0 | 0 |
| Census Tract 8455.08 | 1,226 | 1,917 | 64.0% | 874 | 145 | 108 | 99 | 0 |
| Census Tract 8407.05 | 778 | 1,221 | 63.7% | 340 | 182 | 159 | 33 | 64 |
| Census Tract 8403.03 | 949 | 1,492 | 63.6% | 387 | 413 | 92 | 0 | 57 |
| Census Tract 8458.03 | 1,467 | 2,308 | 63.6% | 663 | 485 | 116 | 37 | 166 |
| Census Tract 8413.16 | 759 | 1,198 | 63.4% | 586 | 128 | 38 | 0 | 7 |
| Census Tract 8466.04 | 941 | 1,485 | 63.4% | 222 | 662 | 42 | 0 | 15 |
| Census Tract 8412.05 | 962 | 1,521 | 63.2% | 530 | 318 | 80 | 9 | 25 |
| Census Tract 8455.10 | 1,011 | 1,607 | 62.9% | 497 | 442 | 60 | 12 | 0 |