Lead Paint Risk in San Mateo County, California
73.3%Pre-1978 Housing
209,399Pre-1978 Units
285,558Total Housing Units
174Census Tracts
Census Tracts
Individual census tracts ranked by pre-1978 housing percentage.
| Tract | Pre-1978 | Total | Risk Rate | 1970s | 1960s | 1950s | 1940s | ≤1939 |
|---|---|---|---|---|---|---|---|---|
| Census Tract 6116 | 796 | 796 | 100.0% | 29 | 17 | 303 | 373 | 74 |
| Census Tract 6112 | 1,052 | 1,068 | 98.5% | 9 | 68 | 859 | 116 | 0 |
| Census Tract 6069 | 883 | 902 | 97.9% | 139 | 237 | 507 | 0 | 0 |
| Census Tract 6009 | 1,470 | 1,511 | 97.3% | 9 | 205 | 963 | 281 | 12 |
| Census Tract 6120.01 | 975 | 1,003 | 97.2% | 100 | 190 | 367 | 301 | 17 |
| Census Tract 6015.01 | 1,479 | 1,523 | 97.1% | 68 | 426 | 830 | 92 | 63 |
| Census Tract 6067 | 933 | 963 | 96.9% | 210 | 105 | 425 | 156 | 37 |
| Census Tract 6010 | 2,222 | 2,316 | 95.9% | 83 | 848 | 1,259 | 0 | 32 |
| Census Tract 6065 | 1,325 | 1,382 | 95.9% | 145 | 84 | 230 | 311 | 555 |
| Census Tract 6099 | 1,075 | 1,121 | 95.9% | 26 | 127 | 232 | 306 | 384 |
| Census Tract 6071 | 1,051 | 1,100 | 95.5% | 52 | 92 | 631 | 201 | 75 |
| Census Tract 6011 | 1,945 | 2,047 | 95.0% | 188 | 115 | 1,501 | 90 | 51 |
| Census Tract 6073 | 1,241 | 1,312 | 94.6% | 118 | 59 | 471 | 560 | 33 |
| Census Tract 6004.02 | 1,253 | 1,328 | 94.4% | 126 | 98 | 122 | 175 | 732 |
| Census Tract 6007.01 | 1,310 | 1,393 | 94.0% | 187 | 176 | 135 | 215 | 597 |
| Census Tract 6016.05 | 1,813 | 1,930 | 93.9% | 989 | 731 | 33 | 22 | 38 |
| Census Tract 6101 | 858 | 915 | 93.8% | 108 | 157 | 321 | 218 | 54 |
| Census Tract 6046 | 852 | 909 | 93.7% | 63 | 370 | 402 | 11 | 6 |
| Census Tract 6085.01 | 1,687 | 1,807 | 93.4% | 100 | 134 | 815 | 604 | 34 |
| Census Tract 6094 | 1,069 | 1,148 | 93.1% | 82 | 71 | 303 | 524 | 89 |
| Census Tract 6034 | 2,039 | 2,195 | 92.9% | 1,038 | 809 | 170 | 0 | 22 |
| Census Tract 6096.02 | 579 | 623 | 92.9% | 144 | 214 | 180 | 31 | 10 |
| Census Tract 6093 | 1,132 | 1,220 | 92.8% | 30 | 48 | 296 | 616 | 142 |
| Census Tract 6040 | 1,159 | 1,257 | 92.2% | 34 | 19 | 668 | 281 | 157 |
| Census Tract 6108 | 1,506 | 1,634 | 92.2% | 316 | 424 | 459 | 137 | 170 |
| Census Tract 6077.02 | 774 | 840 | 92.1% | 14 | 54 | 618 | 80 | 8 |
| Census Tract 6016.04 | 1,208 | 1,315 | 91.9% | 975 | 216 | 0 | 0 | 17 |
| Census Tract 6033 | 2,276 | 2,481 | 91.7% | 364 | 721 | 1,120 | 71 | 0 |
| Census Tract 6038.02 | 1,940 | 2,121 | 91.5% | 217 | 288 | 1,255 | 144 | 36 |
| Census Tract 6118 | 1,044 | 1,143 | 91.3% | 84 | 49 | 797 | 91 | 23 |
| Census Tract 6051 | 1,306 | 1,441 | 90.6% | 70 | 209 | 200 | 216 | 611 |
| Census Tract 6080.02 | 1,207 | 1,335 | 90.4% | 1,098 | 101 | 8 | 0 | 0 |
| Census Tract 6109.02 | 1,209 | 1,345 | 89.9% | 261 | 74 | 339 | 316 | 219 |
| Census Tract 6041.04 | 1,186 | 1,320 | 89.8% | 252 | 183 | 282 | 288 | 181 |
| Census Tract 6078 | 1,033 | 1,153 | 89.6% | 55 | 136 | 822 | 20 | 0 |
| Census Tract 6047 | 878 | 981 | 89.5% | 151 | 182 | 316 | 209 | 20 |
| Census Tract 6072 | 1,642 | 1,835 | 89.5% | 144 | 273 | 601 | 499 | 125 |
| Census Tract 6081 | 1,165 | 1,304 | 89.3% | 371 | 743 | 51 | 0 | 0 |
| Census Tract 6091 | 538 | 606 | 88.8% | 39 | 43 | 112 | 294 | 50 |
| Census Tract 6028 | 1,392 | 1,572 | 88.5% | 284 | 940 | 157 | 0 | 11 |
| Census Tract 6058 | 856 | 970 | 88.2% | 79 | 76 | 147 | 143 | 411 |
| Census Tract 6018 | 2,032 | 2,308 | 88.0% | 40 | 157 | 1,372 | 419 | 44 |
| Census Tract 6088 | 1,911 | 2,174 | 87.9% | 265 | 821 | 678 | 114 | 33 |
| Census Tract 6039 | 2,019 | 2,301 | 87.7% | 316 | 342 | 682 | 246 | 433 |
| Census Tract 6100 | 1,792 | 2,043 | 87.7% | 246 | 240 | 445 | 197 | 664 |
| Census Tract 6017 | 1,188 | 1,363 | 87.2% | 11 | 130 | 964 | 44 | 39 |
| Census Tract 6050 | 2,745 | 3,148 | 87.2% | 269 | 1,089 | 757 | 427 | 203 |
| Census Tract 6104 | 1,378 | 1,586 | 86.9% | 184 | 285 | 315 | 550 | 44 |
| Census Tract 6038.01 | 1,102 | 1,269 | 86.8% | 920 | 131 | 43 | 0 | 8 |
| Census Tract 6042 | 970 | 1,117 | 86.8% | 82 | 180 | 323 | 306 | 79 |
| Census Tract 6037 | 1,728 | 1,993 | 86.7% | 70 | 452 | 1,107 | 99 | 0 |
| Census Tract 6060 | 2,183 | 2,519 | 86.7% | 179 | 1,042 | 620 | 265 | 77 |
| Census Tract 6053 | 1,800 | 2,078 | 86.6% | 288 | 126 | 256 | 96 | 1,034 |
| Census Tract 6006 | 1,475 | 1,710 | 86.3% | 311 | 209 | 268 | 357 | 330 |
| Census Tract 6102.01 | 1,676 | 1,942 | 86.3% | 212 | 522 | 441 | 352 | 149 |
| Census Tract 6061 | 1,285 | 1,496 | 85.9% | 184 | 197 | 359 | 533 | 12 |
| Census Tract 6052 | 1,244 | 1,456 | 85.4% | 42 | 82 | 128 | 177 | 815 |
| Census Tract 6045 | 1,180 | 1,383 | 85.3% | 145 | 183 | 343 | 482 | 27 |
| Census Tract 6087 | 2,527 | 2,963 | 85.3% | 284 | 989 | 707 | 353 | 194 |
| Census Tract 6021 | 897 | 1,054 | 85.1% | 350 | 71 | 110 | 121 | 245 |
| Census Tract 6012 | 1,832 | 2,186 | 83.8% | 110 | 343 | 537 | 742 | 100 |
| Census Tract 6014 | 1,988 | 2,372 | 83.8% | 436 | 486 | 984 | 69 | 13 |
| Census Tract 6096.03 | 1,610 | 1,933 | 83.3% | 641 | 366 | 386 | 120 | 97 |
| Census Tract 6109.01 | 1,153 | 1,384 | 83.3% | 96 | 197 | 377 | 122 | 361 |
| Census Tract 6111 | 1,906 | 2,291 | 83.2% | 255 | 273 | 1,301 | 44 | 33 |
| Census Tract 6024 | 2,300 | 2,768 | 83.1% | 166 | 451 | 827 | 819 | 37 |
| Census Tract 6098 | 1,464 | 1,764 | 83.0% | 177 | 259 | 490 | 398 | 140 |
| Census Tract 6130 | 1,266 | 1,531 | 82.7% | 492 | 667 | 82 | 13 | 12 |
| Census Tract 6080.23 | 686 | 831 | 82.6% | 573 | 100 | 6 | 7 | 0 |
| Census Tract 6041.03 | 1,265 | 1,535 | 82.4% | 75 | 193 | 327 | 249 | 421 |
| Census Tract 6105 | 1,167 | 1,418 | 82.3% | 110 | 210 | 263 | 246 | 338 |
| Census Tract 6121.01 | 1,372 | 1,691 | 81.1% | 238 | 443 | 459 | 50 | 182 |
| Census Tract 6090 | 825 | 1,018 | 81.0% | 109 | 106 | 388 | 142 | 80 |
| Census Tract 6005.02 | 993 | 1,227 | 80.9% | 521 | 35 | 390 | 24 | 23 |
| Census Tract 6049 | 990 | 1,232 | 80.4% | 200 | 415 | 299 | 63 | 13 |
| Census Tract 6125 | 1,666 | 2,072 | 80.4% | 343 | 539 | 518 | 201 | 65 |
| Census Tract 6086 | 1,604 | 2,010 | 79.8% | 360 | 555 | 536 | 142 | 11 |
| Census Tract 6062.01 | 951 | 1,196 | 79.5% | 238 | 139 | 156 | 145 | 273 |
| Census Tract 6106.02 | 886 | 1,116 | 79.4% | 61 | 5 | 394 | 160 | 266 |
| Census Tract 6013.01 | 999 | 1,262 | 79.2% | 344 | 128 | 338 | 144 | 45 |
| Census Tract 6110 | 1,822 | 2,303 | 79.1% | 415 | 365 | 678 | 289 | 75 |
| Census Tract 6008 | 2,406 | 3,047 | 79.0% | 636 | 695 | 931 | 67 | 77 |
| Census Tract 6089 | 2,498 | 3,165 | 78.9% | 1,442 | 788 | 196 | 53 | 19 |
| Census Tract 6095 | 1,368 | 1,733 | 78.9% | 168 | 317 | 534 | 194 | 155 |
| Census Tract 6140 | 1,626 | 2,063 | 78.8% | 288 | 983 | 326 | 12 | 17 |
| Census Tract 6022.01 | 1,454 | 1,848 | 78.7% | 150 | 254 | 390 | 325 | 335 |
| Census Tract 6031 | 939 | 1,194 | 78.6% | 163 | 188 | 460 | 86 | 42 |
| Census Tract 6057 | 1,512 | 1,927 | 78.5% | 458 | 282 | 355 | 119 | 298 |
| Census Tract 6068 | 1,050 | 1,339 | 78.4% | 452 | 307 | 291 | 0 | 0 |
| Census Tract 6082 | 1,135 | 1,450 | 78.3% | 496 | 522 | 54 | 18 | 45 |
| Census Tract 6020.01 | 1,299 | 1,669 | 77.8% | 207 | 311 | 406 | 93 | 282 |
| Census Tract 6048 | 1,587 | 2,040 | 77.8% | 365 | 166 | 259 | 417 | 380 |
| Census Tract 6083 | 1,078 | 1,392 | 77.4% | 442 | 577 | 59 | 0 | 0 |
| Census Tract 6025 | 1,189 | 1,548 | 76.8% | 217 | 790 | 130 | 7 | 45 |
| Census Tract 6070 | 1,135 | 1,477 | 76.8% | 508 | 385 | 200 | 0 | 42 |
| Census Tract 6064 | 2,024 | 2,640 | 76.7% | 371 | 391 | 403 | 387 | 472 |
| Census Tract 6128 | 811 | 1,067 | 76.0% | 24 | 57 | 396 | 320 | 14 |
| Census Tract 6029 | 1,263 | 1,671 | 75.6% | 153 | 270 | 500 | 255 | 85 |
| Census Tract 6023 | 1,091 | 1,445 | 75.5% | 75 | 186 | 306 | 376 | 148 |
| Census Tract 6055.01 | 1,339 | 1,779 | 75.3% | 435 | 298 | 332 | 99 | 175 |
| Census Tract 6139 | 1,573 | 2,099 | 74.9% | 278 | 43 | 501 | 463 | 288 |
| Census Tract 6030 | 1,524 | 2,040 | 74.7% | 417 | 432 | 426 | 136 | 113 |
| Census Tract 6080.01 | 1,123 | 1,509 | 74.4% | 720 | 358 | 8 | 22 | 15 |
| Census Tract 6007.02 | 752 | 1,012 | 74.3% | 90 | 157 | 253 | 42 | 210 |
| Census Tract 6066 | 1,116 | 1,527 | 73.1% | 82 | 176 | 99 | 355 | 404 |
| Census Tract 6002 | 916 | 1,258 | 72.8% | 49 | 121 | 256 | 292 | 198 |
| Census Tract 6032 | 1,039 | 1,429 | 72.7% | 20 | 103 | 709 | 92 | 115 |
| Census Tract 6106.01 | 1,171 | 1,611 | 72.7% | 165 | 216 | 345 | 329 | 116 |
| Census Tract 6132 | 1,988 | 2,750 | 72.3% | 460 | 880 | 416 | 15 | 217 |
| Census Tract 6113 | 1,367 | 1,900 | 71.9% | 217 | 219 | 490 | 358 | 83 |
| Census Tract 6136 | 1,637 | 2,276 | 71.9% | 750 | 376 | 211 | 60 | 240 |
| Census Tract 6055.02 | 797 | 1,113 | 71.6% | 112 | 46 | 80 | 58 | 501 |
| Census Tract 6127 | 552 | 774 | 71.3% | 26 | 37 | 259 | 158 | 72 |
| Census Tract 6056 | 1,341 | 1,887 | 71.1% | 329 | 280 | 453 | 93 | 186 |
| Census Tract 6019.01 | 951 | 1,345 | 70.7% | 90 | 124 | 628 | 58 | 51 |
| Census Tract 6102.03 | 698 | 992 | 70.4% | 138 | 186 | 214 | 125 | 35 |
| Census Tract 6134 | 838 | 1,191 | 70.4% | 169 | 240 | 177 | 44 | 208 |
| Census Tract 6126 | 1,491 | 2,128 | 70.1% | 331 | 154 | 586 | 189 | 231 |
| Census Tract 6129 | 1,350 | 1,931 | 69.9% | 256 | 358 | 510 | 104 | 122 |
| Census Tract 6121.02 | 1,142 | 1,652 | 69.1% | 155 | 631 | 311 | 45 | 0 |
| Census Tract 6133 | 683 | 999 | 68.4% | 108 | 88 | 226 | 111 | 150 |
| Census Tract 6059.02 | 898 | 1,318 | 68.1% | 233 | 192 | 227 | 64 | 182 |
| Census Tract 6016.03 | 1,462 | 2,150 | 68.0% | 1,097 | 305 | 51 | 9 | 0 |
| Census Tract 6077.01 | 990 | 1,458 | 67.9% | 94 | 99 | 602 | 195 | 0 |
| Census Tract 6027 | 1,373 | 2,027 | 67.7% | 314 | 604 | 409 | 46 | 0 |
| Census Tract 6054 | 2,034 | 3,005 | 67.7% | 429 | 118 | 271 | 400 | 816 |
| Census Tract 6084 | 1,522 | 2,282 | 66.7% | 512 | 588 | 383 | 22 | 17 |
| Census Tract 6092.01 | 1,020 | 1,529 | 66.7% | 39 | 134 | 339 | 308 | 200 |
| Census Tract 6026.02 | 894 | 1,357 | 65.9% | 591 | 144 | 17 | 32 | 110 |
| Census Tract 6120.02 | 629 | 964 | 65.2% | 59 | 60 | 273 | 203 | 34 |
| Census Tract 6085.02 | 763 | 1,174 | 65.0% | 380 | 326 | 44 | 3 | 10 |
| Census Tract 6115 | 711 | 1,095 | 64.9% | 39 | 89 | 363 | 135 | 85 |
| Census Tract 6074 | 1,381 | 2,148 | 64.3% | 559 | 152 | 207 | 145 | 318 |
| Census Tract 6138 | 1,377 | 2,145 | 64.2% | 406 | 125 | 185 | 200 | 461 |
| Census Tract 6092.02 | 1,463 | 2,321 | 63.0% | 384 | 347 | 375 | 226 | 131 |
| Census Tract 6119.02 | 1,314 | 2,094 | 62.8% | 58 | 300 | 701 | 151 | 104 |
| Census Tract 6044 | 1,267 | 2,021 | 62.7% | 175 | 124 | 474 | 368 | 126 |
| Census Tract 6022.02 | 900 | 1,448 | 62.2% | 38 | 88 | 259 | 181 | 334 |
| Census Tract 6020.02 | 719 | 1,157 | 62.1% | 39 | 163 | 212 | 305 | 0 |
| Census Tract 6080.24 | 805 | 1,307 | 61.6% | 635 | 150 | 20 | 0 | 0 |
| Census Tract 6135.01 | 819 | 1,340 | 61.1% | 445 | 199 | 81 | 16 | 78 |
| Census Tract 6114 | 943 | 1,578 | 59.8% | 49 | 117 | 293 | 187 | 297 |
| Census Tract 6001 | 1,346 | 2,265 | 59.4% | 226 | 193 | 298 | 239 | 390 |
| Census Tract 6096.01 | 761 | 1,281 | 59.4% | 180 | 324 | 216 | 19 | 22 |
| Census Tract 6076 | 1,156 | 1,953 | 59.2% | 30 | 283 | 240 | 520 | 83 |
| Census Tract 6026.01 | 928 | 1,578 | 58.8% | 760 | 96 | 0 | 0 | 72 |
| Census Tract 6059.01 | 757 | 1,321 | 57.3% | 245 | 121 | 149 | 42 | 200 |
| Census Tract 6063 | 1,083 | 1,969 | 55.0% | 172 | 87 | 274 | 74 | 476 |
| Census Tract 6107 | 1,202 | 2,284 | 52.6% | 349 | 244 | 242 | 225 | 142 |
| Census Tract 6015.02 | 995 | 1,917 | 51.9% | 362 | 436 | 93 | 36 | 68 |
| Census Tract 6003 | 763 | 1,480 | 51.6% | 79 | 602 | 67 | 0 | 15 |
| Census Tract 6005.01 | 650 | 1,263 | 51.5% | 117 | 71 | 72 | 330 | 60 |
| Census Tract 6097 | 896 | 1,751 | 51.2% | 122 | 168 | 283 | 190 | 133 |
| Census Tract 6016.01 | 524 | 1,039 | 50.4% | 307 | 44 | 99 | 43 | 31 |
| Census Tract 6117 | 1,062 | 2,110 | 50.3% | 0 | 169 | 439 | 358 | 96 |
| Census Tract 6137.02 | 913 | 1,831 | 49.9% | 281 | 84 | 189 | 90 | 269 |
| Census Tract 6079 | 870 | 1,758 | 49.5% | 625 | 202 | 16 | 0 | 27 |
| Census Tract 6062.02 | 584 | 1,264 | 46.2% | 40 | 170 | 120 | 134 | 120 |
| Census Tract 6019.02 | 1,022 | 2,229 | 45.9% | 264 | 308 | 299 | 96 | 55 |
| Census Tract 6137.01 | 739 | 1,611 | 45.9% | 340 | 200 | 117 | 48 | 34 |
| Census Tract 6119.01 | 513 | 1,185 | 43.3% | 150 | 0 | 164 | 65 | 134 |
| Census Tract 6135.02 | 1,090 | 2,528 | 43.1% | 493 | 289 | 182 | 40 | 86 |
| Census Tract 6004.01 | 508 | 1,202 | 42.3% | 80 | 106 | 230 | 67 | 25 |
| Census Tract 6080.13 | 589 | 1,447 | 40.7% | 421 | 79 | 36 | 0 | 53 |
| Census Tract 6041.02 | 715 | 1,760 | 40.6% | 398 | 250 | 20 | 47 | 0 |
| Census Tract 6103.04 | 761 | 1,925 | 39.5% | 520 | 225 | 7 | 9 | 0 |
| Census Tract 6080.25 | 1,075 | 2,833 | 37.9% | 792 | 125 | 105 | 36 | 17 |
| Census Tract 6013.02 | 550 | 1,552 | 35.4% | 159 | 125 | 100 | 166 | 0 |
| Census Tract 6075 | 743 | 2,758 | 26.9% | 180 | 176 | 291 | 56 | 40 |
| Census Tract 6103.02 | 426 | 1,766 | 24.1% | 52 | 245 | 20 | 91 | 18 |
| Census Tract 6103.03 | 506 | 2,959 | 17.1% | 420 | 66 | 0 | 0 | 20 |
| Census Tract 6102.02 | 300 | 2,696 | 11.1% | 128 | 111 | 10 | 20 | 31 |
| Census Tract 9843 | 0 | 0 | 0.0% | 0 | 0 | 0 | 0 | 0 |
| Census Tract 9901 | 0 | 0 | 0.0% | 0 | 0 | 0 | 0 | 0 |