Table 11b: Live Births by Gestation and Resident County New York State - 2010

County  Gestation in Weeks*
Total < 20 20-23 24-27 28-31 32-33 34-36 37-41 42+ Unknown
New York State
New York State 242,914 151 445 1,218 2,936 3,618 18,883 194,750 13,925 6,988
New York City
New York City 120,003 60 194 648 1,531 1,887 10,019 98,389 6,233 1,042
Bronx 22,386 14 40 154 309 354 1,864 18,403 1,017 231
Kings 41,798 16 71 215 535 660 3,480 34,216 2,223 382
New York 19,731 8 25 83 256 326 1,661 16,199 945 228
Queens 30,484 17 44 158 357 457 2,569 25,018 1,682 182
Richmond 5,604 5 14 38 74 90 445 4,553 366 19
Rest of State
Rest of State 122,911 91 251 570 1,405 1,731 8,864 96,361 7,692 5,946
Albany 3,074 0 8 15 38 51 188 2,321 171 282
Allegany 494 1 2 1 3 11 50 365 30 31
Broome 2,048 0 4 15 23 36 152 1,670 126 22
Cattaraugus 983 0 2 6 7 15 81 656 76 140
Cayuga 820 1 0 4 12 6 62 646 73 16
Chautauqua 1,372 3 5 5 14 22 114 1,024 102 83
Chemung 1,001 1 0 4 9 17 66 771 100 33
Chenango 468 0 2 3 8 3 35 383 26 8
Clinton 839 1 2 7 17 15 32 677 77 11
Columbia 595 1 2 3 4 7 41 465 49 23
Cortland 455 0 1 2 8 3 29 321 28 63
Delaware 459 0 0 3 3 3 31 377 37 5
Dutchess 2,867 0 11 11 30 28 183 2,342 169 93
Erie 9,757 15 13 42 101 159 687 7,607 578 555
Essex 337 0 0 4 0 5 21 277 23 7
Franklin 485 0 0 4 10 4 39 383 32 13
Fulton 555 1 0 2 6 6 35 410 56 39
Genesee 649 2 1 2 8 7 38 489 53 49
Greene 461 0 2 5 8 10 42 341 35 18
Hamilton 34 1 0 0 0 1 1 29 2 0
Herkimer 635 2 5 0 5 9 42 510 56 6
Jefferson 2,071 4 1 10 15 26 149 1,643 166 57
Lewis 311 0 0 0 1 4 27 237 15 27
Livingston 570 0 1 1 3 12 49 434 46 24
Madison 642 0 1 3 4 12 49 512 52 9
Monroe 8,526 3 25 46 90 102 540 6,429 621 670
Montgomery 587 3 1 4 9 6 37 411 56 60
Nassau 14,200 7 17 47 176 224 1,124 11,695 635 275
Niagara 2,214 2 1 8 17 38 163 1,727 144 114
Oneida 2,633 3 5 15 30 36 202 2,097 191 54
Onondaga 5,348 1 10 24 60 63 391 4,431 312 56
Ontario 1,036 0 2 6 15 8 79 802 78 46
Orange 4,999 6 13 33 42 71 295 3,844 383 312
Orleans 433 1 4 2 4 15 24 323 34 26
Oswego 1,325 1 0 6 25 10 76 1,090 92 25
Otsego 516 1 0 0 3 2 29 416 60 5
Putnam 931 0 1 4 7 7 79 773 44 16
Rensselaer 1,677 3 3 9 12 22 94 1,304 111 119
Rockland 4,525 1 10 22 39 48 238 3,286 278 603
St Lawrence 1,222 1 3 3 19 20 81 911 97 87
Saratoga 2,304 2 6 6 30 32 159 1,824 139 106
Schenectady 1,837 3 3 8 30 32 139 1,466 64 92
Schoharie 286 0 1 1 3 3 23 233 16 6
Schuyler 168 0 0 0 4 2 11 124 24 3
Seneca 396 0 0 2 5 3 24 297 40 25
Steuben 1,173 2 3 8 10 15 66 890 99 80
Suffolk 16,805 10 36 75 215 235 1,365 13,341 932 596
Sullivan 831 0 5 6 12 10 66 621 52 59
Tioga 440 2 1 0 4 7 26 303 24 73
Tompkins 831 0 1 7 19 15 38 642 62 47
Ulster 1,693 1 2 6 16 28 102 1,255 137 146
Warren 611 2 1 0 10 6 34 474 53 31
Washington 604 1 0 7 9 13 36 449 63 26
Wayne 968 1 2 6 6 11 61 725 77 79
Westchester 11,104 1 30 57 137 168 972 8,743 539 457
Wyoming 394 0 1 0 4 4 33 293 29 30
Yates 312 0 1 0 6 3 14 252 28 8

* Gestation in weeks is the number of days between the date of last menses and date of birth divided by 7.

Range of weeks reflects the number of completed weeks gestation. For example 36 weeks and 6 days would be in the 34-36 range.