Number of ED Visits Due to Asthma (N) and Age-Adjusted Rate (per 10,000 Residents), California Counties, Children Age 0-17, 2010

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COUNTY	N	Rate
Imperial	932	199.6
Madera	695	168.8
Fresno	3,669	126.2
Alameda	2,875	78.9
Kings	609	125.1
Merced	1,047	123.1
Tehama	139	92.0
Contra Costa	2,535	101.6
San Bernardino	5,538	91.1
Inyo	25	69.4
Colusa	36	54.5
Calaveras	72	92.3
Tuolumne	55	60.1
Shasta	350	83.5
Solano	1,099	101.6
Los Angeles	19,977	74.9
Mendocino	176	86.2
Nevada	109	63.8
Tulare	1,157	78.9
CALIFORNIA OVERALL	72,456	72.6
Lake	125	92.5
Monterey	970	77.8
Santa Cruz	386	65.6
Sacramento	3,054	81.4
Riverside	4,164	67.4
Humboldt	182	67.5
San Joaquin	1,731	71.0
Kern	2,087	78.4
Del Norte	48	76.9
San Benito	137	76.2
San Diego	4,865	60.4
Stanislaus	1,114	63.5
Ventura	1,224	56.6
Lassen	27	41.0
San Luis Obispo	279	52.7
Siskiyou	35	35.9
Sonoma	728	60.8
Yuba	100	43.2
Orange	3,917	48.9
San Mateo	889	53.6
San Francisco	892	65.8
Santa Barbara	602	57.2
El Dorado	152	39.5
Yolo	290	59.4
Butte	342	72.2
Santa Clara	2,033	45.5
Placer	334	39.8
Sutter	99	32.2
Amador	29	51.8
Marin	233	44.2
Napa	178	49.5
Glenn	126	40.0
Mariposa	15	47.0
Plumas	18	48.8
Trinity	15	55.9
Mono	6	-
Alpine	<5	-
Modoc	16	78.0
Sierra	<5	-

Data Source: Office of Statewide Health Planning and Development (OSHPD), 2010

*An asthma emergency department (ED) visit is an admission to a licensed ED in California with the primary diagnosis of asthma. The rate of asthma ED visits is the number of ED visits per 10,000 residents, age-adjusted to the 2000 U.S. population. Population denominators for rates are from the California Department of Finance. Rates based on numbers <12 are not reported.