Local Data Search
A total of 359 results found. Show Results on Map.
| Rank | Czech as First Ancestry Population Percentage ▼ | City / Population |
| 1. | 13.0% | East Rocky Hill, NJ / 310 |
| 2. | 12.7% | Lopatcong Overlook, NJ / 877 |
| 3. | 12.6% | Finesville, NJ / 160 |
| 4. | 10.0% | East Millstone, NJ / 814 |
| 5. | 8.1% | Belle Mead, NJ / 124 |
| 6. | 6.3% | Dover Beaches North, NJ / 1,505 |
| 7. | 5.5% | Hutchinson, NJ / 155 |
| 8. | 4.5% | Navesink, NJ / 2,292 |
| 9. | 4.1% | Loch Arbour, NJ / 259 |
| 10. | 3.9% | Belford, NJ / 1,396 |
| 11. | 3.4% | Belvidere, NJ / 2,734 |
| 12. | 3.3% | Lake Telemark, NJ / 1,359 |
| 13. | 3.1% | Princeton Junction, NJ / 2,308 |
| 14. | 2.7% | Port Monmouth, NJ / 4,468 |
| 15. | 2.5% | High Bridge, NJ / 3,706 |
| 16. | 2.4% | Brass Castle, NJ / 1,372 |
| 17. | 2.1% | Rockleigh, NJ / 519 |
| 18. | 2.1% | Johnsonburg, NJ / 155 |
| 19. | 2.0% | Wood-Lynne, NJ / 2,949 |
| 20. | 2.0% | Little Ferry, NJ / 10,602 |
| 21. | 1.9% | Brownville, NJ / 2,913 |
| 22. | 1.9% | Roosevelt, NJ / 712 |
| 23. | 1.8% | Middlebush, NJ / 2,014 |
| 24. | 1.8% | Bordentown, NJ / 3,978 |
| 25. | 1.8% | Greenwich, NJ / 2,660 |
| 25. | 1.8% | Monmouth Junction, NJ / 2,772 |
| 27. | 1.8% | Groveville, NJ / 3,576 |
| 28. | 1.6% | Ho Ho Kus, NJ / 4,056 |
| 29. | 1.6% | Milford, NJ / 1,181 |
| 30. | 1.6% | Metuchen, NJ / 13,431 |
| 31. | 1.6% | Sewaren, NJ / 2,612 |
| 31. | 1.6% | Flemington, NJ / 4,549 |
| 33. | 1.6% | Hope, NJ / 210 |
| 34. | 1.5% | South Amboy, NJ / 8,502 |
| 35. | 1.5% | Kinnelon, NJ / 10,176 |
| 36. | 1.5% | New Village, NJ / 451 |
| 37. | 1.5% | Franklin, NJ / 5,116 |
| 37. | 1.5% | Ogdensburg, NJ / 2,371 |
| 39. | 1.5% | White Meadow Lake, NJ / 8,377 |
| 40. | 1.4% | Rocky Hill, NJ / 579 |
| 40. | 1.4% | Northvale, NJ / 4,585 |
| 42. | 1.4% | Kingston, NJ / 1,980 |
| 43. | 1.4% | Manville, NJ / 10,364 |
| 44. | 1.4% | Clementon, NJ / 5,021 |
| 44. | 1.4% | Woodland Park Borough, NJ / 11,609 |
| 46. | 1.4% | Interlaken, NJ / 770 |
| 47. | 1.4% | Leisure Village East, NJ / 4,665 |
| 48. | 1.4% | Mount Hermon, NJ / 151 |
| 49. | 1.3% | Holiday City South, NJ / 3,833 |
| 50. | 1.3% | Fair Haven, NJ / 6,099 |
| 51. | 1.3% | Beach Haven, NJ / 1,404 |
| 52. | 1.3% | Westwood, NJ / 10,873 |
| 53. | 1.2% | Highlands, NJ / 5,063 |
| 53. | 1.2% | Kenilworth, NJ / 7,810 |
| 53. | 1.2% | Rio Grande, NJ / 2,170 |
| 56. | 1.2% | Turnersville, NJ / 3,429 |
| 57. | 1.2% | Beattystown, NJ / 4,670 |
| 58. | 1.2% | Peapack And Gladstone Borough, NJ / 2,562 |
| 58. | 1.2% | Point Pleasant, NJ / 18,704 |
| 60. | 1.2% | Budd Lake, NJ / 8,374 |
| 61. | 1.2% | Ocean Grove, NJ / 3,622 |
| 62. | 1.2% | Clinton, NJ / 2,726 |
| 63. | 1.2% | Yardville, NJ / 7,517 |
| 64. | 1.1% | Beachwood, NJ / 11,014 |
| 65. | 1.1% | South Plainfield, NJ / 23,090 |
| 66. | 1.1% | Hampton, NJ / 1,367 |
| 66. | 1.1% | Wildwood Crest, NJ / 3,374 |
| 68. | 1.1% | White Horse, NJ / 9,141 |
| 69. | 1.1% | Ramsey, NJ / 14,376 |
| 69. | 1.1% | Montvale, NJ / 7,663 |
| 71. | 1.0% | Hamburg, NJ / 3,280 |
| 71. | 1.0% | Waretown, NJ / 1,318 |
| 73. | 1.0% | Pomona, NJ / 5,313 |
| 74. | 1.0% | Monmouth Beach, NJ / 3,351 |
| 74. | 1.0% | Moonachie, NJ / 2,706 |
| 76. | 1.0% | Smithville, NJ / 6,045 |
| 77. | 1.0% | Panther Valley, NJ / 3,282 |
| 78. | 1.0% | Stanhope, NJ / 3,647 |
| 79. | 0.9% | Newton, NJ / 8,121 |
| 80. | 0.9% | Lebanon, NJ / 1,260 |
| 81. | 0.9% | Twin Rivers, NJ / 7,053 |
| 82. | 0.9% | Linwood, NJ / 7,176 |
| 82. | 0.9% | Ship Bottom, NJ / 1,150 |
| 84. | 0.9% | Martinsville, NJ / 11,461 |
| 84. | 0.9% | Vernon Valley, NJ / 1,701 |
| 86. | 0.9% | Dover, NJ / 18,222 |
| 87. | 0.9% | Saddle River, NJ / 3,137 |
| 88. | 0.9% | River Edge, NJ / 11,199 |
| 89. | 0.9% | Northfield, NJ / 8,559 |
| 89. | 0.9% | Highland Lake, NJ / 4,608 |
| 91. | 0.8% | Lake Mohawk, NJ / 10,035 |
| 91. | 0.8% | Manasquan, NJ / 5,975 |
| 91. | 0.8% | Westfield, NJ / 29,950 |
| 91. | 0.8% | Atlantic Highlands, NJ / 4,442 |
| 95. | 0.8% | Longport, NJ / 1,039 |
| 95. | 0.8% | Englewood Cliffs, NJ / 5,266 |
| 97. | 0.8% | Tinton Falls, NJ / 17,532 |
| 97. | 0.8% | Oradell, NJ / 7,936 |
| 97. | 0.8% | Middlesex, NJ / 13,652 |
| 100. | 0.8% | Glen Ridge, NJ / 7,441 |
| 101. | 0.8% | Green Knoll, NJ / 5,571 |
| 102. | 0.8% | Morris Plains, NJ / 5,558 |
| 103. | 0.8% | Kingston Estates, NJ / 5,781 |
| 103. | 0.8% | Toms River, NJ / 88,841 |
| 103. | 0.8% | Upper Saddle River, NJ / 8,085 |
| 106. | 0.8% | Silver Ridge, NJ / 1,218 |
| 106. | 0.8% | Wharton, NJ / 6,496 |
| 106. | 0.8% | Hopatcong, NJ / 15,440 |
| 106. | 0.8% | Hamilton Square, NJ / 13,441 |
| 106. | 0.8% | Cedar Glen Lakes, NJ / 1,741 |
| 111. | 0.7% | Califon, NJ / 1,283 |
| 111. | 0.7% | Oakland, NJ / 12,642 |
| 113. | 0.7% | Haddonfield, NJ / 11,608 |
| 113. | 0.7% | Woodbury Heights, NJ / 3,074 |
| 115. | 0.7% | Milltown, NJ / 6,895 |
| 115. | 0.7% | Haworth, NJ / 3,374 |
| 115. | 0.7% | Harrington Park, NJ / 4,655 |
| 118. | 0.7% | Pompton Lakes, NJ / 10,966 |
| 118. | 0.7% | Leisuretowne, NJ / 3,405 |
| 118. | 0.7% | Lincoln Park, NJ / 10,630 |
| 118. | 0.7% | Alpha, NJ / 2,490 |
| 122. | 0.7% | Fair Lawn, NJ / 32,147 |
| 123. | 0.7% | Pitman, NJ / 9,154 |
| 123. | 0.7% | Helmetta, NJ / 2,103 |
| 125. | 0.7% | New Milford, NJ / 16,260 |
| 125. | 0.7% | New Providence, NJ / 12,018 |
| 125. | 0.7% | Island Heights, NJ / 1,386 |
| 128. | 0.7% | Rosenhayn, NJ / 1,260 |
| 129. | 0.7% | Crestwood Village, NJ / 8,136 |
| 129. | 0.7% | West Belmar, NJ / 2,377 |
| 131. | 0.7% | West Long Branch, NJ / 8,115 |
| 132. | 0.6% | Barclay, NJ / 4,283 |
| 132. | 0.6% | Ocean Gate, NJ / 1,607 |
| 134. | 0.6% | Garwood, NJ / 4,175 |
| 134. | 0.6% | Ocean Acres, NJ / 15,772 |
| 136. | 0.6% | Chatham, NJ / 8,892 |
| 136. | 0.6% | Frenchtown, NJ / 1,399 |
| 136. | 0.6% | Brielle, NJ / 4,795 |
| 136. | 0.6% | Vista Center, NJ / 1,489 |
| 136. | 0.6% | Marlton, NJ / 10,310 |
| 141. | 0.6% | Hawthorne, NJ / 18,574 |
| 141. | 0.6% | Robbinsville, NJ / 2,241 |
| 141. | 0.6% | Elmwood Park, NJ / 19,214 |
| 141. | 0.6% | Hillsdale, NJ / 10,141 |
| 141. | 0.6% | Laurel Springs, NJ / 2,157 |
| 146. | 0.6% | Avon By The Sea, NJ / 2,097 |
| 146. | 0.6% | Gibbstown, NJ / 3,872 |
| 146. | 0.6% | North Cape May, NJ / 3,184 |
| 146. | 0.6% | Surf City, NJ / 1,455 |
| 146. | 0.6% | Jamesburg, NJ / 5,882 |
| 146. | 0.6% | Point Pleasant Beach, NJ / 4,824 |
| 146. | 0.6% | West Freehold, NJ / 13,917 |
| 146. | 0.6% | Finderne, NJ / 6,180 |
| 154. | 0.6% | Caldwell, NJ / 7,745 |
| 154. | 0.6% | Kendall Park, NJ / 8,805 |
| 154. | 0.6% | Moorestown-Lenola, NJ / 13,681 |
| 154. | 0.6% | Stockton, NJ / 536 |
| 158. | 0.6% | Berlin, NJ / 7,357 |
| 158. | 0.6% | Rockaway, NJ / 6,458 |
| 160. | 0.6% | Seaside Heights, NJ / 2,967 |
| 160. | 0.6% | Mays Landing, NJ / 2,220 |
| 160. | 0.6% | Emerson, NJ / 7,329 |
| 163. | 0.5% | Linden, NJ / 39,967 |
| 163. | 0.5% | Lakewood, NJ / 49,805 |
| 163. | 0.5% | Ringwood, NJ / 12,164 |
| 163. | 0.5% | Ellisburg, NJ / 4,488 |
| 167. | 0.5% | Leisure Knoll, NJ / 2,524 |
| 168. | 0.5% | Swedesboro, NJ / 2,528 |
| 168. | 0.5% | Medford Lakes, NJ / 4,179 |
| 170. | 0.5% | Riverton, NJ / 2,806 |
| 170. | 0.5% | Franklin Lakes, NJ / 10,506 |
| 170. | 0.5% | Millstone, NJ / 411 |
| 173. | 0.5% | Port Republic, NJ / 1,102 |
| 173. | 0.5% | Bogota, NJ / 8,158 |
| 173. | 0.5% | Runnemede, NJ / 8,487 |
| 173. | 0.5% | Bloomingdale, NJ / 7,581 |
| 177. | 0.5% | Garfield, NJ / 30,190 |
| 178. | 0.5% | Princeton, NJ / 12,533 |
| 179. | 0.5% | Hackettstown, NJ / 9,704 |
| 179. | 0.5% | Red Bank, NJ / 12,131 |
| 181. | 0.5% | Mendham, NJ / 5,022 |
| 181. | 0.5% | Succasunna, NJ / 8,977 |
| 183. | 0.5% | Harvey Cedars, NJ / 475 |
| 183. | 0.5% | Old Bridge, NJ / 23,324 |
| 183. | 0.5% | Collingswood, NJ / 14,024 |
| 186. | 0.4% | Pine Hill, NJ / 10,354 |
| 186. | 0.4% | Fanwood, NJ / 7,228 |
| 186. | 0.4% | Netcong, NJ / 3,247 |
| 189. | 0.4% | Ridgefield, NJ / 10,939 |
| 189. | 0.4% | Waldwick, NJ / 9,580 |
| 189. | 0.4% | Whittingham, NJ / 2,513 |
| 189. | 0.4% | Long Valley, NJ / 1,885 |
| 189. | 0.4% | Beach Haven West, NJ / 4,178 |
| 194. | 0.4% | Iselin, NJ / 18,726 |
| 194. | 0.4% | Roseland, NJ / 5,686 |
| 196. | 0.4% | Madison, NJ / 15,846 |
| 196. | 0.4% | Holiday City-Berkeley, NJ / 12,581 |
| 196. | 0.4% | Somerville, NJ / 12,188 |
| 196. | 0.4% | Midland Park, NJ / 7,049 |
| 196. | 0.4% | Hasbrouck Heights, NJ / 11,742 |
| 201. | 0.4% | Pine Ridge At Crestwood, NJ / 2,420 |
| 201. | 0.4% | Villas, NJ / 9,442 |
| 203. | 0.4% | Dunellen, NJ / 7,143 |
| 203. | 0.4% | Clifton, NJ / 82,776 |
| 203. | 0.4% | Upper Montclair, NJ / 11,599 |
| 203. | 0.4% | Woodstown, NJ / 3,453 |
| 203. | 0.4% | Lake Como, NJ / 1,813 |
| 203. | 0.4% | Bradley Beach, NJ / 4,395 |
| 209. | 0.4% | Far Hills, NJ / 848 |
| 209. | 0.4% | Short Hills, NJ / 13,209 |
| 209. | 0.4% | Fort Lee, NJ / 35,161 |
| 212. | 0.4% | Leisure Village, NJ / 4,543 |
| 212. | 0.4% | Hoboken, NJ / 47,384 |
| 212. | 0.4% | Browns Mills, NJ / 11,129 |
| 215. | 0.4% | Glendora, NJ / 4,887 |
| 215. | 0.4% | Roselle Park, NJ / 13,179 |
| 215. | 0.4% | Ridgewood, NJ / 24,827 |
| 218. | 0.3% | Colonia, NJ / 18,100 |
| 218. | 0.3% | Haddon Heights, NJ / 7,500 |
| 218. | 0.3% | Leonardo, NJ / 2,756 |
| 218. | 0.3% | Rumson, NJ / 7,140 |
| 218. | 0.3% | South River, NJ / 15,862 |
| 218. | 0.3% | Mercerville, NJ / 12,662 |
| 218. | 0.3% | Paramus, NJ / 26,084 |
| 225. | 0.3% | Glen Gardner, NJ / 1,881 |
| 225. | 0.3% | Woodcliff Lake, NJ / 5,694 |
| 225. | 0.3% | Laurence Harbor, NJ / 5,984 |
| 228. | 0.3% | Neptune City, NJ / 4,916 |
| 228. | 0.3% | Ridgefield Park, NJ / 12,690 |
| 228. | 0.3% | Woodbridge, NJ / 19,234 |
| 228. | 0.3% | Bradley Gardens, NJ / 14,398 |
| 228. | 0.3% | Mountain Lakes, NJ / 4,183 |
| 228. | 0.3% | Sea Girt, NJ / 1,951 |
| 228. | 0.3% | Wenonah, NJ / 2,212 |
| 235. | 0.3% | North Caldwell, NJ / 6,359 |
| 235. | 0.3% | Magnolia, NJ / 4,364 |
| 235. | 0.3% | Woodbury, NJ / 10,280 |
| 235. | 0.3% | Glassboro, NJ / 18,811 |
| 235. | 0.3% | Mystic Island, NJ / 8,533 |
| 235. | 0.3% | Morristown, NJ / 18,457 |
| 235. | 0.3% | Shark River Hills, NJ / 3,784 |
| 242. | 0.3% | Strathmore, NJ / 7,249 |
| 242. | 0.3% | North Beach Haven, NJ / 2,116 |
| 242. | 0.3% | Old Tappan, NJ / 5,676 |
| 242. | 0.3% | Chester, NJ / 1,432 |
| 242. | 0.3% | Bound Brook, NJ / 10,399 |
| 242. | 0.3% | Spring Lake, NJ / 3,092 |
| 248. | 0.3% | Edgewater, NJ / 10,766 |
| 248. | 0.3% | North Plainfield, NJ / 21,932 |
| 248. | 0.3% | Highland Park, NJ / 13,990 |
| 251. | 0.3% | North Haledon, NJ / 8,186 |
| 251. | 0.3% | Pemberton, NJ / 1,199 |
| 251. | 0.3% | Perth Amboy, NJ / 50,182 |
| 251. | 0.3% | Hackensack, NJ / 42,713 |
| 251. | 0.3% | Bay Head, NJ / 1,159 |
| 251. | 0.3% | Robertsville, NJ / 11,039 |
| 251. | 0.3% | Demarest, NJ / 4,850 |
| 258. | 0.3% | Avenel, NJ / 17,087 |
| 258. | 0.3% | Secaucus, NJ / 16,008 |
| 258. | 0.3% | Port Reading, NJ / 3,563 |
| 258. | 0.3% | Little Silver, NJ / 5,987 |
| 258. | 0.3% | Cape May, NJ / 3,687 |
| 258. | 0.3% | Leonia, NJ / 8,890 |
| 264. | 0.3% | Estell Manor, NJ / 1,650 |
| 264. | 0.3% | Bergenfield, NJ / 26,517 |
| 264. | 0.3% | Buena, NJ / 4,510 |
| 264. | 0.3% | Spring Lake Heights, NJ / 4,810 |
| 264. | 0.3% | Lodi, NJ / 23,970 |
| 264. | 0.3% | Sayreville, NJ / 42,279 |
| 264. | 0.3% | Rutherford, NJ / 17,970 |
| 271. | 0.3% | Watchung, NJ / 5,686 |
| 271. | 0.3% | Franklin Center, NJ / 3,921 |
| 271. | 0.3% | Essex Fells, NJ / 2,096 |
| 271. | 0.3% | Pennington, NJ / 2,605 |
| 271. | 0.3% | Dumont, NJ / 17,386 |
| 271. | 0.3% | Bayonne, NJ / 62,027 |
| 271. | 0.3% | Harrison, NJ / 13,569 |
| 278. | 0.2% | Folsom, NJ / 1,740 |
| 278. | 0.2% | Palisades Park, NJ / 19,065 |
| 278. | 0.2% | Burlington, NJ / 9,953 |
| 281. | 0.2% | Silver Lake, NJ / 3,736 |
| 281. | 0.2% | East Freehold, NJ / 5,101 |
| 281. | 0.2% | Sussex, NJ / 1,942 |
| 281. | 0.2% | Phillipsburg, NJ / 15,197 |
| 281. | 0.2% | Ashland, NJ / 8,640 |
| 286. | 0.2% | Wallington, NJ / 11,328 |
| 286. | 0.2% | Morganville, NJ / 4,619 |
| 286. | 0.2% | Millville, NJ / 28,134 |
| 286. | 0.2% | Rahway, NJ / 26,968 |
| 286. | 0.2% | South Bound Brook, NJ / 4,566 |
| 291. | 0.2% | Wood Ridge, NJ / 7,572 |
| 291. | 0.2% | Hopewell, NJ / 1,992 |
| 291. | 0.2% | Keyport, NJ / 7,312 |
| 291. | 0.2% | Glen Rock, NJ / 11,545 |
| 295. | 0.2% | Barrington, NJ / 7,021 |
| 295. | 0.2% | Carteret, NJ / 22,445 |
| 295. | 0.2% | Freehold, NJ / 11,910 |
| 295. | 0.2% | Bernardsville, NJ / 7,652 |
| 295. | 0.2% | Hightstown, NJ / 5,475 |
| 300. | 0.2% | Pine Beach, NJ / 2,134 |
| 300. | 0.2% | Bellmawr, NJ / 11,612 |
| 300. | 0.2% | Riverdale, NJ / 3,372 |
| 303. | 0.2% | Fort Dix, NJ / 5,206 |
| 303. | 0.2% | Butler, NJ / 7,515 |
| 303. | 0.2% | Cliffside Park, NJ / 23,365 |
| 306. | 0.2% | Englewood, NJ / 26,828 |
| 306. | 0.2% | Fairton, NJ / 1,332 |
| 306. | 0.2% | Absecon, NJ / 8,357 |
| 306. | 0.2% | Madison Park, NJ / 6,843 |
| 310. | 0.2% | Springdale, NJ / 14,696 |
| 310. | 0.2% | Bridgeton, NJ / 25,042 |
| 312. | 0.2% | New Brunswick, NJ / 53,933 |
| 312. | 0.2% | Fords, NJ / 15,084 |
| 312. | 0.2% | Echelon, NJ / 10,049 |
| 312. | 0.2% | Spotswood, NJ / 8,196 |
| 312. | 0.2% | Boonton, NJ / 8,405 |
| 312. | 0.2% | Wanaque, NJ / 10,891 |
| 312. | 0.2% | Raritan, NJ / 6,814 |
| 319. | 0.1% | Audubon, NJ / 8,900 |
| 319. | 0.1% | Eatontown, NJ / 12,939 |
| 319. | 0.1% | Pine Lake Park, NJ / 8,138 |
| 319. | 0.1% | East Rutherford, NJ / 8,829 |
| 323. | 0.1% | Maywood, NJ / 9,503 |
| 323. | 0.1% | Washington, NJ / 6,591 |
| 323. | 0.1% | Asbury Park, NJ / 16,275 |
| 323. | 0.1% | Jersey City, NJ / 243,257 |
| 323. | 0.1% | Greentree, NJ / 11,460 |
| 328. | 0.1% | Englishtown, NJ / 1,835 |
| 328. | 0.1% | Tenafly, NJ / 14,276 |
| 328. | 0.1% | Ventnor City, NJ / 11,151 |
| 331. | 0.1% | Haledon, NJ / 8,245 |
| 331. | 0.1% | Princeton Meadows, NJ / 13,737 |
| 331. | 0.1% | Allentown, NJ / 1,828 |
| 331. | 0.1% | Margate City, NJ / 6,763 |
| 331. | 0.1% | Cherry Hill Mall, NJ / 13,973 |
| 336. | 0.1% | Vineland, NJ / 59,908 |
| 336. | 0.1% | Park Ridge, NJ / 8,615 |
| 336. | 0.1% | Roselle, NJ / 20,955 |
| 336. | 0.1% | Williamstown, NJ / 14,232 |
| 336. | 0.1% | Fairview, NJ / 13,656 |
| 336. | 0.1% | Summit, NJ / 21,217 |
| 336. | 0.1% | Keansburg, NJ / 10,227 |
| 343. | 0.1% | Elizabeth, NJ / 123,176 |
| 343. | 0.1% | Brookdale, NJ / 9,185 |
| 345. | 0.1% | North Arlington, NJ / 15,271 |
| 345. | 0.1% | Somers Point, NJ / 11,038 |
| 347. | 0.1% | Camden, NJ / 78,047 |
| 347. | 0.1% | Trenton, NJ / 85,181 |
| 347. | 0.1% | Atlantic City, NJ / 40,081 |
| 347. | 0.1% | West New York, NJ / 48,401 |
| 347. | 0.1% | Lindenwold, NJ / 17,601 |
| 352. | 0.1% | Union City, NJ / 65,766 |
| 352. | 0.1% | Long Branch, NJ / 30,855 |
| 354. | 0.1% | Passaic, NJ / 68,982 |
| 354. | 0.1% | Kearny, NJ / 40,208 |
| 356. | 0.0% | Plainfield, NJ / 49,043 |
| 356. | 0.0% | East Orange, NJ / 64,927 |
| 358. | 0.0% | Paterson, NJ / 145,836 |
| 359. | 0.0% | Newark, NJ / 274,674 |
Please note that we only rank locations with 'Czech as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Czech as First Ancestry Population Percentage' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.