Table 10

IOWA
Offenses Known to Law Enforcement
by State by Metropolitan and Nonmetropolitan Counties, 2007
[The data shown in this table do not reflect county totals but are the number of offenses reported by the sheriff's office or county police department.]

Metropolitan/Nonmetropolitan Counties	County	Violent crime	Murder and nonnegligent manslaughter	Forcible rape	Robbery	Aggravated assault	Property crime	Burglary	Larceny- theft	Motor vehicle theft	Arson¹
Metropolitan Counties	Benton	7	0	1	1	5	102	28	70	4	0
	Black Hawk	43	0	10	0	33	238	104	122	12	0
	Bremer	17	0	1	0	16	42	8	32	2	1
	Dallas	0	0	0	0	0	102	36	63	3	1
	Dubuque	57	0	1	0	56	241	95	120	26	4
	Grundy	5	0	0	0	5	71	20	48	3	0
	Guthrie	0	0	0	0	0	41	20	20	1	0
	Harrison	4	0	1	0	3	158	55	95	8	4
	Johnson	69	0	1	0	68	236	107	103	26	4
	Jones	3	0	0	0	3	55	10	39	6	0
	Linn	30	0	6	2	22	368	139	201	28	2
	Madison	7	0	2	2	3	49	13	30	6	0
	Mills	11	0	1	1	9	138	44	80	14	3
	Polk	117	2	17	12	86	929	191	623	115	5
	Pottawattamie	31	0	8	1	22	580	158	366	56	2
	Scott	19	1	6	1	11	234	73	149	12	1
	Story	17	0	5	1	11	156	61	80	15	3
	Warren	37	1	5	5	26	281	72	180	29	5
	Washington	17	0	3	0	14	140	92	44	4	0
	Woodbury	23	0	0	1	22	71	27	41	3	0
Nonmetropolitan Counties	Adair	5	0	0	0	5	52	7	41	4	0
	Adams	4	0	0	0	4	59	29	28	2	0
	Allamakee	0	0	0	0	0	13	1	12	0	1
	Appanoose	6	0	0	0	6	80	22	50	8	2
	Audubon	4	0	1	0	3	24	10	11	3	0
	Boone	17	1	2	0	14	52	15	31	6	3
	Buchanan	2	0	0	0	2	129	25	95	9	3
	Buena Vista	6	0	2	0	4	69	24	41	4	1
	Butler	1	0	0	0	1	40	19	18	3	1
	Calhoun	4	0	1	0	3	96	26	67	3	0
	Cass	6	0	3	0	3	48	13	32	3	0
	Cerro Gordo	7	0	0	0	7	129	50	66	13	0
	Cherokee	5	0	0	0	5	30	7	21	2	1
	Chickasaw	1	0	1	0	0	38	13	22	3	1
	Clarke	2	0	0	0	2	67	25	33	9	2
	Clay	6	0	1	0	5	53	22	29	2	0
	Clayton	9	0	0	0	9	54	23	28	3	0
	Clinton	25	0	3	1	21	133	35	86	12	2
	Crawford	0	0	0	0	0	0	0	0	0	0
	Davis	5	0	1	0	4	8	5	3	0	1
	Des Moines	18	0	2	1	15	147	35	98	14	1
	Fayette	15	0	1	1	13	59	17	34	8	0
	Floyd	1	0	0	0	1	42	25	15	2	0
	Franklin	0	0	0	0	0	8	1	7	0	0
	Hamilton	8	1	0	0	7	85	47	38	0	1
	Hancock	4	0	1	0	3	48	31	16	1	1
	Hardin	2	0	1	0	1	102	45	50	7	1
	Henry	11	0	0	0	11	96	25	62	9	0
	Howard	1	0	1	0	0	70	12	54	4	1
	Humboldt	3	0	0	2	1	44	21	20	3	0
	Ida	8	0	0	1	7	57	25	29	3	0
	Iowa	7	0	1	0	6	67	16	48	3	2
	Jasper	9	0	1	0	8	111	38	63	10	1
	Jefferson	11	0	0	2	9	53	7	41	5	1
	Lee	13	0	1	0	12	73	35	33	5	2
	Louisa	6	0	2	0	4	77	39	30	8	0
	Lucas	5	0	0	0	5	79	21	50	8	2
	Lyon	15	0	2	0	13	78	45	27	6	0
	Mahaska	23	0	2	0	21	94	25	58	11	0
	Marion	16	0	4	0	12	110	45	53	12	2
	Marshall	11	0	0	0	11	68	43	19	6	3
	Mitchell	0	0	0	0	0	19	7	12	0	0
	Monona	0	0	0	0	0	2	0	0	2	0
	Monroe	3	0	0	0	3	34	6	25	3	0
	Muscatine	28	0	8	0	20	143	71	65	7	4
	O'Brien	9	0	0	0	9	99	33	62	4	0
	Osceola	1	0	0	0	1	15	3	11	1	0
	Palo Alto	8	0	0	0	8	79	36	37	6	0
	Plymouth	8	0	1	0	7	42	15	23	4	0
	Pocahontas	2	0	1	0	1	27	9	17	1	1
	Poweshiek	10	0	3	0	7	189	67	102	20	3
	Sac	1	0	0	0	1	40	16	21	3	0
	Sioux	5	0	0	0	5	84	27	53	4	0
	Tama	32	0	0	0	32	154	59	83	12	4
	Union	7	0	0	0	7	43	21	17	5	0
	Van Buren	8	0	0	0	8	112	58	49	5	2
	Wapello	6	0	0	0	6	134	66	62	6	1
	Wayne	9	0	1	0	8	59	16	35	8	0
	Webster	30	0	1	0	29	266	65	168	33	4
	Winneshiek	1	0	0	0	1	19	5	12	2	0
	Worth	3	0	0	0	3	86	16	66	4	0
	Wright	1	0	0	0	1	44	27	17	0	1

¹ The FBI does not publish arson data unless it receives data from either the agency or the state for all 12 months of the calendar year.

Data Declaration

Provides the methodology used in constructing this table and other pertinent information about this table.