Lead Paint Risk in Maryland
51.6%Pre-1978 Housing
1,313,857Pre-1978 Units
2,545,532Total Housing Units
1,475Census Tracts
Counties in Maryland
Ranked by percentage of housing built before 1978.
| County | Pre-1978 Housing | Total Housing | Risk Rate |
|---|---|---|---|
| Baltimore city | 242,308 | 293,631 | 82.5% |
| Allegany County | 25,895 | 32,810 | 78.9% |
| Baltimore County | 208,257 | 350,296 | 59.5% |
| Dorchester County | 9,643 | 16,416 | 58.7% |
| Washington County | 36,792 | 63,965 | 57.5% |
| Prince George's County | 196,838 | 362,440 | 54.3% |
| Kent County | 5,469 | 10,326 | 53.0% |
| Montgomery County | 199,049 | 405,127 | 49.1% |
| Caroline County | 6,581 | 13,516 | 48.7% |
| Garrett County | 8,865 | 18,567 | 47.7% |
| Talbot County | 9,104 | 19,671 | 46.3% |
| Wicomico County | 20,050 | 43,925 | 45.6% |
| Somerset County | 4,934 | 10,916 | 45.2% |
| Anne Arundel County | 106,013 | 234,843 | 45.1% |
| Carroll County | 29,016 | 66,167 | 43.9% |
| Cecil County | 17,833 | 44,159 | 40.4% |
| Harford County | 41,502 | 104,409 | 39.7% |
| Worcester County | 21,122 | 56,585 | 37.3% |
| Frederick County | 37,003 | 106,480 | 34.8% |
| Queen Anne's County | 7,462 | 21,703 | 34.4% |
| Calvert County | 11,010 | 35,960 | 30.6% |
| St. Mary's County | 13,943 | 46,078 | 30.3% |
| Howard County | 36,847 | 124,489 | 29.6% |
| Charles County | 18,321 | 63,053 | 29.1% |
Cities & Towns in Maryland
447 cities and towns ranked by pre-1978 housing percentage (minimum 100 housing units). Showing the top 100 here; download all places from the data page.
| City/Town | Pre-1978 Housing | Total Housing | Risk Rate |
|---|---|---|---|
| Bivalve | 152 | 152 | 100.0% |
| Danville | 266 | 266 | 100.0% |
| Grahamtown | 100 | 100 | 100.0% |
| Lewistown | 147 | 147 | 100.0% |
| Nanticoke | 252 | 252 | 100.0% |
| Sandy Hook | 118 | 118 | 100.0% |
| Tilghmanton | 124 | 124 | 100.0% |
| Tyaskin | 128 | 128 | 100.0% |
| Landover Hills | 606 | 619 | 97.9% |
| Morningside | 427 | 436 | 97.9% |
| Chevy Chase Village | 695 | 711 | 97.7% |
| Naval Academy | 171 | 176 | 97.2% |
| Potomac Heights | 617 | 635 | 97.2% |
| University Park | 997 | 1,028 | 97.0% |
| Forest Heights | 848 | 875 | 96.9% |
| Colmar Manor | 439 | 456 | 96.3% |
| Bel Air | 678 | 713 | 95.1% |
| Cordova | 169 | 178 | 94.9% |
| Hillandale | 1,481 | 1,563 | 94.8% |
| Kitzmiller | 113 | 121 | 93.4% |
| Mapleville | 152 | 163 | 93.3% |
| Whaleyville | 106 | 114 | 93.0% |
| Berwyn Heights | 886 | 955 | 92.8% |
| Washington Grove | 282 | 305 | 92.5% |
| Lonaconing | 443 | 480 | 92.3% |
| Mercersville | 94 | 102 | 92.2% |
| Maryland Park | 335 | 364 | 92.0% |
| Sabillasville | 107 | 118 | 90.7% |
| Union Bridge | 437 | 482 | 90.7% |
| Lutherville | 2,395 | 2,648 | 90.4% |
| Takoma Park | 6,378 | 7,086 | 90.0% |
| Four Corners | 2,523 | 2,811 | 89.8% |
| Woodlawn CDP (Prince George's County) | 1,878 | 2,100 | 89.4% |
| Chevy Chase Section Five | 226 | 253 | 89.3% |
| Parkville | 12,192 | 13,659 | 89.3% |
| Sharpsburg | 294 | 330 | 89.1% |
| Chevy Chase Section Three | 268 | 301 | 89.0% |
| Cumberland | 9,189 | 10,355 | 88.7% |
| Mount Savage | 281 | 317 | 88.6% |
| Pinesburg | 140 | 159 | 88.1% |
| Forest Glen | 2,317 | 2,640 | 87.8% |
| Clear Spring | 143 | 163 | 87.7% |
| Lansdowne | 3,197 | 3,648 | 87.6% |
| Potomac Park | 391 | 453 | 86.3% |
| Algonquin | 457 | 531 | 86.1% |
| Hillcrest Heights | 6,435 | 7,484 | 86.0% |
| Midland | 221 | 257 | 86.0% |
| South Kensington | 2,551 | 2,967 | 86.0% |
| Vienna | 111 | 129 | 86.0% |
| Dundalk | 23,119 | 27,029 | 85.5% |
| Kensington | 760 | 890 | 85.4% |
| Bowling Green | 525 | 616 | 85.2% |
| Kemp Mill | 4,314 | 5,078 | 85.0% |
| Garrett Park | 280 | 331 | 84.6% |
| North Kensington | 3,181 | 3,764 | 84.5% |
| Westernport | 838 | 997 | 84.1% |
| Pecktonville | 89 | 106 | 84.0% |
| Rosemont | 126 | 150 | 84.0% |
| New Carrollton | 3,919 | 4,671 | 83.9% |
| Smith Island | 207 | 247 | 83.8% |
| Chevy Chase | 843 | 1,010 | 83.5% |
| Libertytown | 343 | 411 | 83.5% |
| East Riverdale | 4,164 | 4,992 | 83.4% |
| Queen Anne | 96 | 116 | 82.8% |
| Baltimore | 242,308 | 293,631 | 82.5% |
| Cottage City | 420 | 509 | 82.5% |
| Sharptown | 274 | 332 | 82.5% |
| Cresaptown | 1,000 | 1,214 | 82.4% |
| Pomfret | 150 | 183 | 82.0% |
| Zihlman | 159 | 194 | 82.0% |
| Ellerslie | 249 | 304 | 81.9% |
| West Laurel | 1,219 | 1,492 | 81.7% |
| Glen Echo | 93 | 114 | 81.6% |
| Bladensburg | 2,855 | 3,504 | 81.5% |
| Somerset | 310 | 381 | 81.4% |
| Arbutus | 6,894 | 8,490 | 81.2% |
| Rosedale | 6,524 | 8,070 | 80.8% |
| Brentwood | 1,172 | 1,452 | 80.7% |
| Hampton | 1,490 | 1,849 | 80.6% |
| Barton | 229 | 285 | 80.4% |
| Brooklyn Park | 4,840 | 6,023 | 80.4% |
| Seat Pleasant | 1,905 | 2,372 | 80.3% |
| Timonium | 3,423 | 4,267 | 80.2% |
| Riverdale Park | 1,900 | 2,385 | 79.7% |
| Funkstown | 387 | 487 | 79.5% |
| Williamsport | 894 | 1,128 | 79.3% |
| Overlea | 4,417 | 5,601 | 78.9% |
| Cavetown | 365 | 465 | 78.5% |
| Friendship Heights Village | 2,306 | 2,942 | 78.4% |
| Chillum | 9,309 | 11,910 | 78.2% |
| Friendsville | 181 | 232 | 78.0% |
| Highfield-Cascade | 352 | 452 | 77.9% |
| North Chevy Chase | 175 | 225 | 77.8% |
| Martin's Additions | 258 | 334 | 77.2% |
| Cheverly | 1,841 | 2,390 | 77.0% |
| Deal Island | 271 | 354 | 76.6% |
| Baltimore Highlands | 2,385 | 3,134 | 76.1% |
| La Vale | 1,580 | 2,077 | 76.1% |
| Eckhart Mines | 260 | 343 | 75.8% |
| Frostburg | 2,315 | 3,075 | 75.3% |