| Births By County 1983-2001 | ||||||||||||||||||||
| CO | County | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1992 | 1991 | 1990 | 1989 | 1988 | 1987 | 1986 | 1985 | 1984 | 1983 |
| 1 | ADAIR | 65 | 68 | 71 | 76 | 68 | 61 | 80 | 93 | 74 | 105 | 87 | 102 | 109 | 86 | 94 | 111 | 122 | 114 | 115 |
| 2 | ADAMS | 38 | 35 | 47 | 50 | 33 | 48 | 36 | 64 | 51 | 41 | 64 | 60 | 70 | 74 | 63 | 55 | 73 | 73 | 64 |
| 3 | ALLAMAKEE | 170 | 158 | 186 | 172 | 165 | 173 | 157 | 158 | 176 | 199 | 174 | 177 | 214 | 201 | 202 | 210 | 219 | 219 | 220 |
| 4 | APPANOOSE | 140 | 142 | 158 | 153 | 141 | 168 | 147 | 152 | 164 | 174 | 170 | 166 | 166 | 167 | 162 | 180 | 188 | 197 | 194 |
| 5 | AUDUBON | 61 | 47 | 68 | 72 | 82 | 63 | 75 | 88 | 72 | 70 | 76 | 91 | 83 | 82 | 95 | 89 | 111 | 135 | 120 |
| 6 | BENTON | 305 | 325 | 265 | 325 | 281 | 264 | 298 | 292 | 308 | 304 | 336 | 318 | 292 | 286 | 283 | 295 | 309 | 328 | 291 |
| 7 | BLACK HAWK | 1596 | 1551 | 1594 | 1638 | 1586 | 1601 | 1509 | 1605 | 1774 | 1651 | 1732 | 1699 | 1687 | 1628 | 1621 | 1739 | 1947 | 2093 | 2096 |
| 8 | BOONE | 291 | 317 | 318 | 295 | 289 | 299 | 309 | 313 | 274 | 289 | 312 | 329 | 309 | 347 | 318 | 295 | 326 | 333 | 347 |
| 9 | BREMER | 238 | 250 | 236 | 210 | 219 | 234 | 249 | 243 | 272 | 259 | 237 | 242 | 256 | 233 | 242 | 267 | 297 | 306 | 320 |
| 10 | BUCHANAN | 301 | 301 | 298 | 309 | 284 | 286 | 283 | 314 | 277 | 327 | 302 | 302 | 336 | 310 | 325 | 287 | 367 | 381 | 393 |
| 11 | BUENA VISTA | 240 | 233 | 254 | 236 | 259 | 228 | 219 | 243 | 238 | 274 | 265 | 287 | 253 | 302 | 263 | 294 | 314 | 290 | 302 |
| 12 | BUTLER | 135 | 170 | 159 | 162 | 160 | 148 | 166 | 163 | 169 | 159 | 162 | 184 | 180 | 189 | 179 | 209 | 201 | 242 | 259 |
| 13 | CALHOUN | 95 | 107 | 103 | 114 | 97 | 115 | 114 | 106 | 90 | 120 | 111 | 130 | 124 | 111 | 145 | 152 | 149 | 140 | 171 |
| 14 | CARROLL | 226 | 262 | 252 | 246 | 238 | 260 | 283 | 269 | 258 | 271 | 278 | 320 | 292 | 312 | 338 | 361 | 373 | 384 | 416 |
| 15 | CASS | 157 | 158 | 155 | 144 | 160 | 152 | 152 | 150 | 178 | 169 | 205 | 192 | 192 | 190 | 163 | 204 | 200 | 255 | 228 |
| 16 | CEDAR | 188 | 206 | 181 | 185 | 198 | 195 | 204 | 193 | 203 | 197 | 217 | 221 | 224 | 197 | 189 | 195 | 251 | 253 | 259 |
| 17 | CERRO GORDO | 475 | 530 | 551 | 525 | 525 | 600 | 591 | 587 | 592 | 600 | 621 | 686 | 657 | 623 | 625 | 656 | 725 | 679 | 709 |
| 18 | CHEROKEE | 117 | 146 | 134 | 131 | 142 | 115 | 134 | 157 | 141 | 158 | 153 | 200 | 177 | 169 | 166 | 211 | 199 | 207 | 229 |
| 19 | CHICKASAW | 140 | 169 | 138 | 126 | 157 | 123 | 152 | 169 | 179 | 166 | 166 | 199 | 182 | 170 | 154 | 201 | 177 | 224 | 224 |
| 20 | CLARKE | 135 | 97 | 107 | 99 | 83 | 87 | 102 | 82 | 81 | 105 | 105 | 106 | 121 | 112 | 114 | 109 | 116 | 104 | 112 |
| 21 | CLAY | 204 | 204 | 195 | 179 | 197 | 188 | 206 | 219 | 190 | 235 | 258 | 239 | 260 | 222 | 237 | 243 | 270 | 260 | 305 |
| 22 | CLAYTON | 217 | 194 | 193 | 207 | 195 | 176 | 206 | 207 | 242 | 228 | 254 | 242 | 262 | 234 | 250 | 256 | 298 | 282 | 306 |
| 23 | CLINTON | 613 | 591 | 629 | 677 | 629 | 602 | 657 | 645 | 680 | 680 | 685 | 685 | 674 | 676 | 689 | 707 | 753 | 788 | 775 |
| 24 | CRAWFORD | 225 | 189 | 205 | 193 | 211 | 232 | 178 | 176 | 208 | 196 | 205 | 228 | 204 | 256 | 277 | 247 | 263 | 256 | 323 |
| 25 | DALLAS | 526 | 566 | 504 | 527 | 482 | 501 | 477 | 440 | 425 | 422 | 426 | 409 | 445 | 384 | 423 | 391 | 402 | 454 | 461 |
| 26 | DAVIS | 125 | 129 | 102 | 102 | 119 | 128 | 94 | 127 | 118 | 107 | 127 | 128 | 116 | 115 | 110 | 124 | 134 | 128 | 148 |
| 27 | DECATUR | 82 | 101 | 90 | 92 | 98 | 97 | 97 | 113 | 88 | 88 | 94 | 91 | 99 | 98 | 110 | 95 | 106 | 112 | 107 |
| 28 | DELAWARE | 204 | 227 | 196 | 247 | 208 | 233 | 213 | 268 | 262 | 261 | 271 | 285 | 264 | 290 | 284 | 281 | 320 | 311 | 341 |
| 29 | DES MOINES | 502 | 555 | 520 | 514 | 549 | 565 | 523 | 524 | 558 | 568 | 580 | 568 | 582 | 560 | 540 | 518 | 670 | 650 | 657 |
| 30 | DICKINSON | 155 | 159 | 172 | 176 | 169 | 148 | 137 | 148 | 127 | 152 | 163 | 160 | 158 | 147 | 175 | 165 | 177 | 195 | 178 |
| 31 | DUBUQUE | 1178 | 1221 | 1154 | 1152 | 1143 | 1197 | 1188 | 1176 | 1252 | 1168 | 1231 | 1260 | 1184 | 1192 | 1253 | 1199 | 1278 | 1362 | 1375 |
| 32 | EMMET | 125 | 126 | 124 | 126 | 118 | 134 | 108 | 109 | 141 | 135 | 155 | 134 | 121 | 139 | 144 | 139 | 159 | 160 | 196 |
| 33 | FAYETTE | 207 | 233 | 230 | 235 | 260 | 249 | 271 | 302 | 255 | 278 | 295 | 289 | 279 | 297 | 263 | 278 | 298 | 357 | 362 |
| 34 | FLOYD | 189 | 199 | 192 | 196 | 209 | 194 | 203 | 186 | 200 | 204 | 221 | 219 | 220 | 197 | 208 | 213 | 236 | 241 | 285 |
| 35 | FRANKLIN | 127 | 113 | 120 | 112 | 130 | 126 | 116 | 133 | 120 | 126 | 130 | 124 | 132 | 136 | 139 | 148 | 173 | 193 | 165 |
| 36 | FREMONT | 90 | 82 | 98 | 89 | 94 | 60 | 85 | 79 | 90 | 103 | 107 | 100 | 98 | 103 | 103 | 124 | 116 | 117 | 124 |
| 37 | GREENE | 112 | 92 | 125 | 110 | 110 | 120 | 112 | 108 | 129 | 123 | 124 | 108 | 104 | 117 | 138 | 127 | 147 | 172 | 169 |
| 38 | GRUNDY | 125 | 133 | 104 | 136 | 128 | 124 | 98 | 111 | 141 | 113 | 136 | 146 | 138 | 142 | 121 | 148 | 143 | 170 | 187 |
| 39 | GUTHRIE | 135 | 134 | 140 | 122 | 127 | 130 | 121 | 126 | 105 | 155 | 138 | 122 | 111 | 117 | 104 | 115 | 119 | 156 | 144 |
| 40 | HAMILTON | 179 | 192 | 206 | 218 | 210 | 182 | 193 | 203 | 193 | 206 | 220 | 209 | 213 | 199 | 198 | 243 | 199 | 254 | 235 |
| 41 | HANCOCK | 133 | 131 | 127 | 135 | 127 | 121 | 122 | 125 | 125 | 142 | 157 | 164 | 167 | 159 | 165 | 189 | 190 | 212 | 191 |
| 42 | HARDIN | 232 | 208 | 235 | 206 | 189 | 216 | 244 | 218 | 204 | 192 | 209 | 213 | 214 | 224 | 218 | 233 | 270 | 283 | 311 |
| 43 | HARRISON | 160 | 193 | 179 | 166 | 179 | 173 | 174 | 175 | 179 | 200 | 201 | 187 | 191 | 192 | 225 | 230 | 227 | 217 | 200 |
| 44 | HENRY | 216 | 264 | 246 | 250 | 241 | 203 | 276 | 239 | 252 | 256 | 237 | 265 | 224 | 248 | 236 | 250 | 238 | 264 | 260 |
| 45 | HOWARD | 110 | 110 | 117 | 112 | 124 | 92 | 118 | 96 | 112 | 126 | 114 | 135 | 126 | 111 | 146 | 141 | 137 | 161 | 163 |
| 46 | HUMBOLDT | 117 | 99 | 130 | 107 | 128 | 111 | 107 | 118 | 110 | 100 | 104 | 112 | 136 | 143 | 138 | 149 | 163 | 186 | 178 |
| 47 | IDA | 79 | 70 | 80 | 90 | 99 | 99 | 73 | 86 | 93 | 94 | 100 | 107 | 150 | 122 | 112 | 118 | 135 | 148 | 146 |
| 48 | IOWA | 180 | 183 | 178 | 174 | 156 | 227 | 192 | 212 | 213 | 196 | 208 | 213 | 236 | 178 | 179 | 215 | 182 | 216 | 217 |
| 49 | JACKSON | 238 | 239 | 238 | 236 | 242 | 236 | 261 | 241 | 258 | 258 | 286 | 252 | 255 | 275 | 290 | 282 | 345 | 325 | 349 |
| 50 | JASPER | 460 | 458 | 457 | 420 | 436 | 426 | 416 | 439 | 423 | 455 | 471 | 432 | 461 | 446 | 438 | 418 | 472 | 462 | 440 |
| 51 | JEFFERSON | 154 | 145 | 158 | 172 | 161 | 171 | 153 | 172 | 177 | 185 | 186 | 192 | 202 | 208 | 178 | 218 | 222 | 224 | 233 |
| 52 | JOHNSON | 1372 | 1382 | 1332 | 1275 | 1274 | 1272 | 1258 | 1288 | 1337 | 1359 | 1358 | 1406 | 1297 | 1330 | 1285 | 1278 | 1326 | 1306 | 1254 |
| 53 | JONES | 198 | 227 | 196 | 183 | 213 | 224 | 196 | 253 | 235 | 243 | 255 | 251 | 236 | 240 | 216 | 220 | 290 | 262 | 275 |
| 54 | KEOKUK | 126 | 154 | 125 | 142 | 127 | 134 | 145 | 129 | 143 | 147 | 176 | 150 | 152 | 160 | 147 | 137 | 157 | 185 | 185 |
| 55 | KOSSUTH | 157 | 166 | 162 | 173 | 174 | 163 | 174 | 196 | 219 | 199 | 226 | 251 | 240 | 245 | 249 | 265 | 262 | 295 | 350 |
| 56 | LEE | 411 | 410 | 466 | 449 | 446 | 477 | 479 | 435 | 526 | 540 | 494 | 496 | 492 | 509 | 544 | 526 | 589 | 582 | 596 |
| 57 | LINN | 2846 | 2715 | 2745 | 2635 | 2584 | 2540 | 2597 | 2550 | 2551 | 2644 | 2632 | 2641 | 2507 | 2465 | 2373 | 2345 | 2450 | 2499 | 2479 |
| 58 | LOUISA | 159 | 164 | 164 | 173 | 190 | 161 | 174 | 161 | 184 | 143 | 148 | 163 | 149 | 141 | 167 | 144 | 145 | 161 | 172 |
| 59 | LUCAS | 108 | 119 | 97 | 115 | 95 | 123 | 100 | 129 | 117 | 100 | 111 | 116 | 93 | 111 | 101 | 113 | 110 | 132 | 115 |
| 60 | LYON | 141 | 159 | 154 | 149 | 137 | 150 | 136 | 165 | 162 | 180 | 156 | 178 | 167 | 183 | 176 | 160 | 183 | 194 | 207 |
| 61 | MADISON | 172 | 196 | 188 | 164 | 169 | 152 | 159 | 160 | 162 | 155 | 158 | 158 | 167 | 161 | 138 | 140 | 164 | 154 | 150 |
| 62 | MAHASKA | 296 | 283 | 301 | 285 | 258 | 260 | 291 | 272 | 277 | 264 | 300 | 285 | 316 | 295 | 296 | 326 | 318 | 325 | 339 |
| 63 | MARION | 382 | 383 | 432 | 403 | 333 | 378 | 363 | 419 | 391 | 412 | 364 | 374 | 398 | 363 | 405 | 368 | 439 | 403 | 434 |
| 64 | MARSHALL | 541 | 556 | 573 | 511 | 472 | 553 | 516 | 523 | 523 | 471 | 458 | 502 | 488 | 488 | 455 | 520 | 555 | 588 | 622 |
| 65 | MILLS | 181 | 155 | 156 | 194 | 159 | 177 | 158 | 183 | 159 | 151 | 170 | 136 | 168 | 154 | 173 | 171 | 167 | 192 | 173 |
| 66 | MITCHELL | 152 | 131 | 133 | 123 | 133 | 130 | 129 | 142 | 154 | 126 | 148 | 131 | 127 | 137 | 133 | 147 | 148 | 149 | 173 |
| 67 | MONONA | 113 | 98 | 115 | 99 | 109 | 98 | 126 | 124 | 106 | 145 | 133 | 114 | 113 | 105 | 110 | 129 | 105 | 140 | 176 |
| 68 | MONROE | 83 | 102 | 100 | 77 | 95 | 97 | 89 | 87 | 119 | 98 | 111 | 116 | 96 | 88 | 107 | 104 | 109 | 122 | 120 |
| 69 | MONTGOMERY | 137 | 139 | 146 | 152 | 112 | 160 | 161 | 160 | 141 | 165 | 138 | 158 | 150 | 148 | 153 | 136 | 152 | 179 | 189 |
| 70 | MUSCATINE | 653 | 638 | 619 | 614 | 570 | 591 | 629 | 626 | 642 | 656 | 676 | 665 | 682 | 615 | 560 | 635 | 632 | 635 | 709 |
| 71 | OBRIEN | 149 | 187 | 180 | 160 | 192 | 190 | 200 | 174 | 191 | 199 | 176 | 184 | 195 | 173 | 184 | 206 | 213 | 235 | 263 |
| 72 | OSCEOLA | 74 | 73 | 73 | 76 | 80 | 79 | 90 | 70 | 81 | 86 | 107 | 94 | 100 | 104 | 87 | 88 | 107 | 105 | 131 |
| 73 | PAGE | 159 | 169 | 196 | 190 | 171 | 191 | 174 | 181 | 164 | 166 | 179 | 200 | 220 | 209 | 189 | 183 | 235 | 204 | 226 |
| 74 | PALO ALTO | 103 | 110 | 104 | 107 | 122 | 98 | 95 | 107 | 109 | 112 | 111 | 95 | 140 | 133 | 122 | 134 | 181 | 162 | 215 |
| 75 | PLYMOUTH | 281 | 309 | 289 | 306 | 328 | 312 | 316 | 311 | 307 | 317 | 296 | 346 | 310 | 311 | 353 | 376 | 334 | 409 | 415 |
| 76 | POCAHONTAS | 65 | 73 | 82 | 71 | 77 | 68 | 66 | 84 | 88 | 99 | 104 | 124 | 110 | 135 | 109 | 121 | 167 | 150 | 160 |
| 77 | POLK | 6110 | 6216 | 5954 | 5898 | 5685 | 5782 | 5455 | 5458 | 5460 | 5560 | 5494 | 5367 | 5545 | 4998 | 4987 | 4956 | 5087 | 4909 | 4974 |
| 78 | POTTAWATTAMI | 1222 | 1184 | 1216 | 1160 | 1185 | 1102 | 1142 | 1156 | 1193 | 1261 | 1299 | 1361 | 1281 | 1295 | 1252 | 1328 | 1334 | 1379 | 1426 |
| 79 | POWESHIEK | 201 | 212 | 176 | 195 | 192 | 194 | 215 | 211 | 205 | 215 | 237 | 226 | 226 | 203 | 187 | 223 | 220 | 220 | 244 |
| 80 | RINGGOLD | 63 | 69 | 69 | 47 | 65 | 43 | 55 | 30 | 38 | 57 | 53 | 44 | 53 | 56 | 60 | 45 | 78 | 84 | 71 |
| 81 | SAC | 100 | 135 | 128 | 112 | 130 | 159 | 136 | 126 | 139 | 140 | 125 | 145 | 153 | 142 | 149 | 153 | 177 | 182 | 175 |
| 82 | SCOTT | 2214 | 2348 | 2264 | 2339 | 2175 | 2303 | 2251 | 2243 | 2408 | 2483 | 2409 | 2430 | 2376 | 2368 | 2292 | 2545 | 2543 | 2647 | 2641 |
| 83 | SHELBY | 113 | 150 | 141 | 142 | 140 | 115 | 156 | 146 | 163 | 154 | 156 | 182 | 163 | 170 | 172 | 160 | 171 | 237 | 211 |
| 84 | SIOUX | 475 | 457 | 397 | 400 | 413 | 376 | 410 | 380 | 437 | 433 | 439 | 434 | 432 | 471 | 457 | 494 | 511 | 519 | 574 |
| 85 | STORY | 924 | 940 | 885 | 860 | 846 | 904 | 856 | 844 | 785 | 878 | 900 | 927 | 874 | 949 | 933 | 944 | 1035 | 1039 | 1075 |
| 86 | TAMA | 236 | 251 | 240 | 222 | 248 | 230 | 236 | 236 | 225 | 226 | 213 | 215 | 218 | 207 | 233 | 227 | 250 | 260 | 269 |
| 87 | TAYLOR | 82 | 87 | 66 | 66 | 79 | 75 | 76 | 78 | 70 | 75 | 63 | 92 | 79 | 73 | 86 | 71 | 91 | 102 | 102 |
| 88 | UNION | 134 | 127 | 140 | 156 | 136 | 163 | 154 | 119 | 152 | 149 | 143 | 148 | 166 | 143 | 152 | 167 | 150 | 165 | 190 |
| 89 | VAN BUREN | 92 | 97 | 85 | 107 | 79 | 86 | 76 | 104 | 108 | 91 | 98 | 89 | 93 | 123 | 103 | 94 | 107 | 111 | 111 |
| 90 | WAPELLO | 444 | 424 | 404 | 391 | 416 | 459 | 403 | 428 | 465 | 422 | 481 | 490 | 484 | 420 | 446 | 467 | 468 | 534 | 480 |
| 91 | WARREN | 511 | 513 | 483 | 504 | 513 | 481 | 481 | 449 | 499 | 516 | 550 | 479 | 499 | 483 | 487 | 466 | 506 | 489 | 485 |
| 92 | WASHINGTON | 330 | 290 | 306 | 284 | 254 | 327 | 308 | 279 | 273 | 269 | 277 | 307 | 301 | 280 | 298 | 273 | 269 | 307 | 282 |
| 93 | WAYNE | 86 | 79 | 75 | 56 | 57 | 64 | 80 | 78 | 71 | 74 | 74 | 83 | 77 | 89 | 75 | 75 | 96 | 94 | 84 |
| 94 | WEBSTER | 501 | 492 | 498 | 513 | 520 | 496 | 498 | 525 | 534 | 566 | 563 | 597 | 605 | 589 | 595 | 574 | 631 | 631 | 671 |
| 95 | WINNEBAGO | 131 | 134 | 121 | 127 | 135 | 144 | 134 | 135 | 121 | 141 | 138 | 148 | 165 | 164 | 152 | 171 | 162 | 170 | 172 |
| 96 | WINNESHIEK | 204 | 191 | 186 | 208 | 200 | 212 | 240 | 242 | 229 | 255 | 252 | 259 | 269 | 272 | 269 | 288 | 287 | 321 | 321 |
| 97 | WOODBURY | 1623 | 1692 | 1627 | 1664 | 1691 | 1699 | 1700 | 1651 | 1651 | 1665 | 1623 | 1631 | 1496 | 1582 | 1542 | 1457 | 1652 | 1601 | 1645 |
| 98 | WORTH | 87 | 84 | 76 | 90 | 75 | 85 | 89 | 91 | 94 | 91 | 99 | 99 | 107 | 100 | 98 | 103 | 117 | 115 | 110 |
| 99 | WRIGHT | 156 | 168 | 165 | 149 | 152 | 172 | 139 | 157 | 156 | 171 | 188 | 214 | 191 | 174 | 177 | 171 | 196 | 203 | 206 |
| 37610 | 38250 | 37549 | 37262 | 36641 | 37130 | 36790 | 37057 | 37805 | 38459 | 38925 | 39330 | 38916 | 38070 | 37866 | 38748 | 41182 | 42360 | 43247 | ||