Lead Paint Risk in Philadelphia County, Pennsylvania
84.2%Pre-1978 Housing
623,190Pre-1978 Units
739,725Total Housing Units
408Census 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
- 623,190 housing units in Philadelphia County were built before 1978.
- The county's pre-1978 housing share is 84.2%, compared with the state rate of 67.8%.
- 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 408 tracts; download the full county tract CSV.
| Tract | Pre-1978 | Total | Risk Rate | 1970s | 1960s | 1950s | 1940s | ≤1939 |
|---|---|---|---|---|---|---|---|---|
| Census Tract 113 | 1,663 | 1,663 | 100.0% | 127 | 13 | 267 | 415 | 841 |
| Census Tract 199 | 2,041 | 2,041 | 100.0% | 0 | 213 | 322 | 360 | 1,146 |
| Census Tract 269 | 853 | 853 | 100.0% | 0 | 7 | 77 | 21 | 748 |
| Census Tract 274.02 | 2,491 | 2,491 | 100.0% | 167 | 149 | 559 | 617 | 999 |
| Census Tract 293 | 1,423 | 1,423 | 100.0% | 22 | 48 | 76 | 108 | 1,169 |
| Census Tract 319 | 1,937 | 1,937 | 100.0% | 103 | 258 | 521 | 539 | 516 |
| Census Tract 323 | 1,641 | 1,641 | 100.0% | 106 | 427 | 665 | 171 | 272 |
| Census Tract 330 | 3,284 | 3,284 | 100.0% | 272 | 334 | 1,810 | 449 | 419 |
| Census Tract 9800.01 | 5 | 5 | 100.0% | 0 | 0 | 5 | 0 | 0 |
| Census Tract 9801 | 66 | 66 | 100.0% | 5 | 0 | 0 | 3 | 58 |
| Census Tract 305.02 | 1,950 | 1,951 | 99.9% | 0 | 231 | 740 | 388 | 591 |
| Census Tract 283 | 2,984 | 2,989 | 99.8% | 58 | 36 | 411 | 542 | 1,937 |
| Census Tract 71.02 | 2,144 | 2,153 | 99.6% | 160 | 89 | 279 | 285 | 1,331 |
| Census Tract 72 | 2,063 | 2,074 | 99.5% | 134 | 25 | 327 | 124 | 1,453 |
| Census Tract 314.01 | 2,271 | 2,282 | 99.5% | 308 | 0 | 1,337 | 403 | 223 |
| Census Tract 380 | 883 | 887 | 99.5% | 106 | 53 | 136 | 128 | 460 |
| Census Tract 289.01 | 1,271 | 1,280 | 99.3% | 83 | 72 | 112 | 308 | 696 |
| Census Tract 101 | 3,204 | 3,230 | 99.2% | 0 | 128 | 458 | 466 | 2,152 |
| Census Tract 264 | 2,481 | 2,501 | 99.2% | 134 | 177 | 420 | 1,179 | 571 |
| Census Tract 71.01 | 1,068 | 1,078 | 99.1% | 6 | 69 | 110 | 159 | 724 |
| Census Tract 266 | 2,888 | 2,913 | 99.1% | 97 | 16 | 690 | 652 | 1,433 |
| Census Tract 267 | 2,929 | 2,957 | 99.1% | 0 | 226 | 576 | 495 | 1,632 |
| Census Tract 82 | 3,560 | 3,595 | 99.0% | 118 | 103 | 268 | 687 | 2,384 |
| Census Tract 258 | 897 | 906 | 99.0% | 97 | 347 | 338 | 62 | 53 |
| Census Tract 260 | 1,333 | 1,346 | 99.0% | 14 | 51 | 936 | 284 | 48 |
| Census Tract 284 | 1,483 | 1,498 | 99.0% | 103 | 11 | 239 | 533 | 597 |
| Census Tract 311.01 | 1,855 | 1,875 | 98.9% | 112 | 31 | 808 | 712 | 192 |
| Census Tract 188.02 | 1,457 | 1,475 | 98.8% | 180 | 14 | 22 | 86 | 1,155 |
| Census Tract 84 | 2,044 | 2,071 | 98.7% | 102 | 236 | 224 | 323 | 1,159 |
| Census Tract 180.02 | 2,539 | 2,573 | 98.7% | 123 | 75 | 123 | 373 | 1,845 |
| Census Tract 115 | 1,897 | 1,923 | 98.6% | 44 | 297 | 253 | 249 | 1,054 |
| Census Tract 198 | 2,337 | 2,370 | 98.6% | 88 | 96 | 315 | 186 | 1,652 |
| Census Tract 273 | 2,347 | 2,383 | 98.5% | 50 | 217 | 780 | 610 | 690 |
| Census Tract 291 | 1,784 | 1,811 | 98.5% | 256 | 59 | 926 | 159 | 384 |
| Census Tract 318 | 1,863 | 1,893 | 98.4% | 106 | 317 | 662 | 581 | 197 |
| Census Tract 272 | 2,059 | 2,094 | 98.3% | 312 | 320 | 1,095 | 115 | 217 |
| Census Tract 40.02 | 2,418 | 2,462 | 98.2% | 9 | 100 | 47 | 476 | 1,786 |
| Census Tract 177.02 | 1,889 | 1,924 | 98.2% | 16 | 195 | 59 | 120 | 1,499 |
| Census Tract 254 | 2,054 | 2,093 | 98.1% | 38 | 316 | 484 | 340 | 876 |
| Census Tract 275 | 1,799 | 1,833 | 98.1% | 24 | 42 | 246 | 476 | 1,011 |
| Census Tract 38 | 1,706 | 1,740 | 98.0% | 24 | 32 | 218 | 214 | 1,218 |
| Census Tract 248 | 862 | 880 | 98.0% | 35 | 24 | 124 | 137 | 542 |
| Census Tract 294 | 1,285 | 1,311 | 98.0% | 207 | 91 | 37 | 200 | 750 |
| Census Tract 334 | 2,131 | 2,175 | 98.0% | 302 | 847 | 813 | 92 | 77 |
| Census Tract 381 | 343 | 350 | 98.0% | 59 | 7 | 10 | 30 | 237 |
| Census Tract 271 | 1,063 | 1,086 | 97.9% | 12 | 342 | 335 | 55 | 319 |
| Census Tract 347.02 | 1,366 | 1,395 | 97.9% | 212 | 375 | 693 | 86 | 0 |
| Census Tract 64 | 1,751 | 1,790 | 97.8% | 179 | 0 | 328 | 241 | 1,003 |
| Census Tract 263.01 | 1,709 | 1,747 | 97.8% | 58 | 88 | 1,047 | 339 | 177 |
| Census Tract 292 | 1,497 | 1,534 | 97.6% | 66 | 86 | 331 | 333 | 681 |
| Census Tract 37.01 | 2,612 | 2,680 | 97.5% | 259 | 96 | 78 | 234 | 1,945 |
| Census Tract 39.02 | 2,565 | 2,631 | 97.5% | 72 | 16 | 200 | 545 | 1,732 |
| Census Tract 65 | 2,173 | 2,234 | 97.3% | 67 | 228 | 211 | 302 | 1,365 |
| Census Tract 178 | 3,094 | 3,184 | 97.2% | 208 | 0 | 169 | 183 | 2,534 |
| Census Tract 311.02 | 1,448 | 1,490 | 97.2% | 153 | 347 | 386 | 228 | 334 |
| Census Tract 252 | 3,734 | 3,850 | 97.0% | 211 | 420 | 378 | 525 | 2,200 |
| Census Tract 362.02 | 2,350 | 2,423 | 97.0% | 498 | 1,135 | 519 | 162 | 36 |
| Census Tract 277 | 2,717 | 2,804 | 96.9% | 254 | 236 | 716 | 333 | 1,178 |
| Census Tract 302 | 2,859 | 2,951 | 96.9% | 194 | 265 | 674 | 1,190 | 536 |
| Census Tract 188.01 | 1,433 | 1,480 | 96.8% | 69 | 26 | 29 | 152 | 1,157 |
| Census Tract 195.02 | 1,223 | 1,263 | 96.8% | 6 | 40 | 109 | 117 | 951 |
| Census Tract 235 | 599 | 619 | 96.8% | 92 | 7 | 99 | 159 | 242 |
| Census Tract 300 | 2,977 | 3,074 | 96.8% | 341 | 279 | 297 | 652 | 1,408 |
| Census Tract 62 | 1,693 | 1,753 | 96.6% | 4 | 211 | 207 | 404 | 867 |
| Census Tract 310 | 2,318 | 2,403 | 96.5% | 206 | 447 | 1,121 | 407 | 137 |
| Census Tract 70 | 1,674 | 1,737 | 96.4% | 168 | 18 | 335 | 216 | 937 |
| Census Tract 279.01 | 1,611 | 1,671 | 96.4% | 77 | 170 | 397 | 75 | 892 |
| Census Tract 382 | 1,365 | 1,416 | 96.4% | 58 | 124 | 39 | 154 | 990 |
| Census Tract 204 | 1,365 | 1,417 | 96.3% | 31 | 0 | 253 | 96 | 985 |
| Census Tract 331.02 | 1,617 | 1,679 | 96.3% | 72 | 344 | 895 | 160 | 146 |
| Census Tract 391 | 1,183 | 1,228 | 96.3% | 29 | 51 | 551 | 289 | 263 |
| Census Tract 112 | 2,482 | 2,583 | 96.1% | 133 | 287 | 229 | 154 | 1,679 |
| Census Tract 184 | 854 | 889 | 96.1% | 27 | 38 | 136 | 54 | 599 |
| Census Tract 372 | 1,739 | 1,810 | 96.1% | 20 | 276 | 235 | 267 | 941 |
| Census Tract 81.01 | 1,225 | 1,277 | 95.9% | 40 | 13 | 291 | 105 | 776 |
| Census Tract 118 | 2,304 | 2,403 | 95.9% | 56 | 0 | 472 | 438 | 1,338 |
| Census Tract 249 | 1,324 | 1,382 | 95.8% | 53 | 18 | 302 | 316 | 635 |
| Census Tract 339 | 1,517 | 1,584 | 95.8% | 164 | 178 | 797 | 219 | 159 |
| Census Tract 347.01 | 2,691 | 2,808 | 95.8% | 558 | 585 | 1,358 | 98 | 92 |
| Census Tract 358 | 2,293 | 2,393 | 95.8% | 803 | 1,136 | 338 | 0 | 16 |
| Census Tract 61 | 1,190 | 1,243 | 95.7% | 89 | 502 | 120 | 69 | 410 |
| Census Tract 93 | 2,473 | 2,584 | 95.7% | 178 | 70 | 124 | 227 | 1,874 |
| Census Tract 203 | 1,345 | 1,405 | 95.7% | 0 | 41 | 182 | 247 | 875 |
| Census Tract 197 | 2,230 | 2,333 | 95.6% | 103 | 155 | 118 | 605 | 1,249 |
| Census Tract 263.02 | 2,119 | 2,216 | 95.6% | 0 | 220 | 451 | 729 | 719 |
| Census Tract 83.01 | 1,984 | 2,078 | 95.5% | 85 | 45 | 205 | 644 | 1,005 |
| Census Tract 231 | 558 | 584 | 95.5% | 42 | 9 | 41 | 0 | 466 |
| Census Tract 81.02 | 2,462 | 2,580 | 95.4% | 49 | 85 | 172 | 362 | 1,794 |
| Census Tract 117 | 398 | 417 | 95.4% | 56 | 4 | 32 | 25 | 281 |
| Census Tract 274.01 | 1,176 | 1,233 | 95.4% | 0 | 119 | 175 | 142 | 740 |
| Census Tract 388 | 1,952 | 2,047 | 95.4% | 197 | 181 | 80 | 89 | 1,405 |
| Census Tract 265 | 1,789 | 1,878 | 95.3% | 43 | 354 | 569 | 252 | 571 |
| Census Tract 308 | 1,917 | 2,011 | 95.3% | 82 | 292 | 924 | 317 | 302 |
| Census Tract 309 | 1,548 | 1,624 | 95.3% | 116 | 370 | 649 | 236 | 177 |
| Census Tract 42.02 | 2,122 | 2,228 | 95.2% | 112 | 119 | 136 | 207 | 1,548 |
| Census Tract 95 | 1,737 | 1,825 | 95.2% | 204 | 0 | 198 | 398 | 937 |
| Census Tract 172.02 | 1,903 | 2,004 | 95.0% | 106 | 68 | 99 | 668 | 962 |
| Census Tract 243 | 1,975 | 2,079 | 95.0% | 46 | 147 | 314 | 261 | 1,207 |
| Census Tract 316 | 2,141 | 2,254 | 95.0% | 59 | 126 | 1,058 | 504 | 394 |
| Census Tract 281 | 1,833 | 1,931 | 94.9% | 82 | 0 | 284 | 201 | 1,266 |