California Counties

County	Area	Pop Density 2000	1980
San Bernardino	20064	85	45
Inyo	10223	1.76	1.75
Kern	8130	81	50
Riverside	7214	214	92
Siskiyou	6281	7.1	6.3
Fresno	5978	134	86
Tulare	4808	77	51
Lassen	4553	7.4	4.75
San Diego	4212	668	442
Imperial	4173	34	22
Los Angeles	4070	2339	1837
Modoc	4064	2.3	2.1
Shasta	3786	43	31
Humboldt	3579	35	30
Mendocino	3512	24.6	19
San Luis Obispo	3308	75	47
Monterey	3303	122	88
Trinity	3190	4.1	3.7
Mono	3018	4.26	2.8
Tehama	2953	19	13
Santa Barbara	2748	145	109
Plumas	2573	8.1	6.7
Tuolumne	2234	24	15
Madera	2145	57	29
Merced	1944	108	69
Ventura	1862	405	285
El Dorado	1715	91	50
Butte	1646	123	87
Sonoma	1604	286	187
Stanislaus	1506	297	177
Mariposa	1456	11.8	7.6
Placer	1416	175	83
San Joaquin	1415	398	245
Kings	1392	93	53
San Benito	1388	38	18
Glenn	1319	20	16
Santa Clara	1293	1301	1002
Lake	1262	46	29
Colusa	1152	16	11
Calaveras	1021	40	20
Yolo	1014	166	112
Del Norte	1007	27	18
Sacramento	971	1260	807
Nevada	960	96	54
Sierra	959	3.7	3.2
Solano	834	473	282
Orange	798	3567	2422
Napa	744	167	133
Alpine	738	1.6	1.5
Alameda	736	1962	1501
Contra Costa	730	1300	899
Yuba	640	94	78
Sutter	602	131	87
Amador	589	60	33
Marin	523	473	426
San Mateo	447	1582	1316
Santa Cruz	446	573	422
San Francisco	46	16886	14760

The graph below is a little crowded with 58 counties. Note that the Population Density scale on the left is logarithmic.
Units are persons/sq mi and miles.

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