Table 41 Live Births Ranked by County 2009 (Rate per 1,000 Population)
Rank	County	Number	Rate			Rank	County	Number	Rate
1	Polk	6,690	15.6					51	Floyd	170	10.7
2	Linn	2,900	13.9					52	Mills	169	11.3
3	Scott	2,339	14.0					52	O'Brien	169	12.1
4	Black Hawk	1,746	13.5					54	Butler	167	11.6
5	Johnson	1,711	13.1					55	Cass	162	11.8
6	Woodbury	1,600	15.6					56	Dickinson	161	9.7
7	Pottawattamie	1,303	14.4					57	Wright	160	12.6
8	Dubuque	1,217	13.1					58	Grundy	156	12.8
9	Dallas	1,014	16.4					58	Kossuth	156	10.3
10	Story	990	11.4					58	Lyon	156	14.0
11	Muscatine	596	13.9					61	Jefferson	150	9.7
12	Clinton	589	12.0					62	Appanoose	146	11.5
12	Marshall	589	15.0					63	Davis	142	16.6
14	Warren	537	11.9					64	Union	138	11.3
15	Sioux	522	16.2					65	Chickasaw	137	11.4
16	Des Moines	518	12.6					65	Clarke	137	15.1
17	Wapello	504	14.3					67	Franklin	134	12.7
18	Cerro Gordo	477	10.9					67	Howard	134	14.2
19	Webster	449	11.7					69	Calhoun	128	13.2
20	Lee	439	12.4					70	Cherokee	126	11.0
21	Marion	420	12.9					70	Emmet	126	12.3
22	Jasper	389	10.7					72	Guthrie	124	11.4
23	Plymouth	310	12.8					73	Shelby	120	10.0
24	Boone	306	11.7					74	Keokuk	118	11.2
24	Buchanan	306	14.6					75	Montgomery	117	10.8
26	Mahaska	301	13.7					76	Louisa	114	10.1
27	Benton	290	10.8					77	Mitchell	112	10.4
28	Buena Vista	286	14.6					78	Humboldt	111	11.7
29	Carroll	274	13.3					79	Ida	106	15.7
30	Fayette	263	13.0					79	Sac	106	10.5
31	Bremer	250	10.7					81	Hancock	105	9.5
32	Washington	243	11.4					82	Decatur	103	12.5
33	Crawford	235	14.3					83	Winnebago	102	9.6
34	Cedar	224	12.4					84	Fremont	95	12.9
35	Jackson	219	11.1					84	Greene	95	10.3
36	Henry	217	10.9					84	Lucas	95	10.3
37	Delaware	207	12.0					84	Van Buren	95	12.4
38	Tama	205	11.8					88	Palo Alto	92	9.9
39	Iowa	204	12.9					89	Worth	83	11.0
40	Jones	200	9.8					90	Monona	82	9.2
40	Madison	200	13.0					91	Wayne	81	12.9
40	Page	200	13.1					92	Monroe	78	10.3
43	Winneshiek	195	9.5					93	Adair	76	10.3
44	Clayton	194	11.1					94	Pocahontas	69	9.4
45	Clay	192	11.6					95	Osceola	66	10.4
46	Poweshiek	191	10.4					96	Audubon	64	10.6
47	Hamilton	185	12.1					96	Ringgold	64	12.9
48	Allamakee	180	12.5					98	Adams	55	14.0
49	Hardin	173	10.1					99	Taylor	48	7.6
49	Harrison	173	11.3