2007 California County Data Book | Home

In this section, California's 58 counties are ranked on key measures of children's health, education and family economic well-being, providing a comparative look at how counties are performing relative to one another. A note on how to read the rankings: children in counties ranking closer to the top are doing better on average against the given topic than those in counties ranking closer to the bottom.

County Rankings

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Complete Report

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Notes and Sources

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Family Economic Well-Being County Percentage at Self-Sufficiency Median Family Income Median Income as a Percentage of Self-Sufficiency
1 Marin 82% $112,155 254%
2 San Mateo 77% $83,531 189%
3 Placer 76% $77,419 175%
4 Contra Costa 75% $82,227 186%
4 El Dorado 75% $71,918 163%
4 Santa Clara 75% $91,690 208%
7 Napa 70% $70,797 160%
7 Santa Cruz 70% $76,400 173%
7 Ventura 70% $68,455 155%
10 Alameda 69% $73,344 166%
10 Orange 69% $70,288 159%
12 San Francisco 68% $71,307 162%
12 Solano 68% $69,066 157%
12 Sonoma 68% $65,500 148%
15 Yolo 67% $61,120 138%
16 Monterey 63%** $55,518 126%
16 Riverside 63% $58,064 132%
16 San Benito 63%** $55,518 126%
16 San Diego 63% $62,139 141%
16 Santa Barbara 63% $65,297 148%
21 Sacramento 59% $55,772 126%
21 San Joaquin 59% $51,239 116%
21 San Luis Obispo 59% $50,933 115%
24 Stanislaus 57% $50,118 114%
25 Nevada 56%** $50,934 115%
25 Plumas 56%** $50,934 115%
25 Sierra 56%** $50,934 115%
25 Sutter 56%** $50,934 115%
25 Yuba 56%** $50,934 115%
30 Alpine 55%** $48,489 110%
30 Amador 55%** $48,489 110%
30 Calaveras 55%** $48,489 110%
30 Inyo 55%** $48,489 110%
30 Madera 55% $46,961 106%
30 Mariposa 55%** $48,489 110%
30 Mono 55%** $48,489 110%
30 San Bernardino 55% $50,933 115%
30 Tuolumne 55%** $48,489 110%
39 Los Angeles 53% $47,979 109%
40 Shasta 52% $47,877 108%
41 Humboldt 50% $43,823 99%
42 Merced 48% $42,682 97%
43 Butte 47% $41,562 94%
44 Fresno 46% $40,747 92%
45 Kern 45% $39,728 90%
46 Lake 44%** $35,653 81%
46 Mendocino 44%** $35,653 81%
48 Imperial 43% $36,672 83%
49 Tulare 41% $35,653 81%
50 Kings 40% $37,894 86%
51 Colusa 39%** $33,514 76%
51 Glenn 39%** $33,514 76%
51 Tehama 39%** $33,514 76%
51 Trinity 39%** $33,514 76%
55 Del Norte 33%** $30,356 69%
55 Lassen 33%** $30,356 69%
55 Modoc 33%** $30,356 69%
55 Siskiyou 33%** $30,356 69%
  CALIFORNIA 60% $56,332 128%
*Not Available, **Multi-County Estimate
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Children, Ages 0-17, in
Low-Income Families		 County Percentage
1 Marin 16%
2 Contra Costa 25%
2 Placer 25%
4 El Dorado 26%
4 Napa 26%
6 San Mateo 27%
7 Santa Clara 28%
8 Alameda 32%
8 San Francisco 32%
8 Solano 32%
8 Sonoma 32%
12 Santa Cruz 34%
12 Ventura 34%
14 Orange 37%
15 San Diego 38%
15 Yolo 38%
17 Humboldt 40%
17 San Luis Obispo 40%
19 Riverside 41%
19 Sacramento 41%
19 Santa Barbara 41%
22 Nevada 42%**
22 Plumas 42%**
22 Sierra 42%**
22 Sutter 42%**
22 Yuba 42%**
27 Alpine 43%**
27 Amador 43%**
27 Calaveras 43%**
27 Inyo 43%**
27 Mariposa 43%**
27 Mono 43%**
27 Shasta 43%
27 Tuolumne 43%**
35 Monterey 44%**
35 San Benito 44%**
35 San Joaquin 44%
38 Stanislaus 47%
39 San Bernardino 49%
40 Butte 51%
40 Los Angeles 51%
42 Colusa 55%**
42 Glenn 55%**
42 Tehama 55%**
42 Trinity 55%**
46 Kern 57%
46 Lake 57%**
46 Madera 57%
46 Mendocino 57%**
50 Fresno 58%
51 Kings 59%
52 Imperial 60%
52 Merced 60%
54 Tulare 64%
55 Del Norte 65%**
55 Lassen 65%**
55 Modoc 65%**
55 Siskiyou 65%**
  CALIFORNIA 43%
*Not Available, **Multi-County Estimate
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Mothers with Early Prenatal Care County Percentage
1 Marin 96%
2 Amador 91%
2 Orange 91%
4 Alameda 90%
4 Los Angeles 90%
4 San Mateo 90%
4 Santa Cruz 90%
8 Placer 89%
8 Shasta 89%
10 San Francisco 88%
11 Contra Costa 87%
11 Tuolumne 87%
13 Calaveras 86%
13 El Dorado 86%
13 Fresno 86%
13 San Diego 86%
13 Santa Clara 86%
18 Riverside 85%
18 San Luis Obispo 85%
18 Ventura 85%
21 Mariposa 84%
21 Napa 84%
21 Sonoma 84%
21 Stanislaus 84%
25 San Bernardino 83%
25 Trinity 83%
27 Plumas 82%
28 Madera 81%
28 Sacramento 81%
28 Santa Barbara 81%
28 Siskiyou 81%
28 Tulare 81%
33 Humboldt 80%
33 Lassen 80%
33 Nevada 80%
33 San Benito 80%
33 Sierra 80%
38 Del Norte 79%
38 Modoc 79%
38 Tehama 79%
41 Colusa 78%
41 Mono 78%
43 Butte 77%
43 Monterey 77%
43 Yolo 77%
46 Imperial 75%
46 Kern 75%
46 Lake 75%
49 Kings 74%
50 Solano 73%
51 Glenn 71%
52 San Joaquin 70%
53 Inyo 68%
53 Mendocino 68%
53 Sutter 68%
56 Yuba 65%
57 Merced 64%
* Alpine *
  CALIFORNIA 86%
*Not Available, **Multi-County Estimate
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Children, Ages 0-18, with Health Insurance County Percentage
1 San Francisco 100%
2 Kings 98%
2 Marin 98%
2 San Mateo 98%
2 Santa Cruz 98%
2 Sonoma 98%
7 Alpine 97%**
7 Amador 97%**
7 Calaveras 97%**
7 Inyo 97%**
7 Mariposa 97%**
7 Mono 97%**
7 Placer 97%
7 San Luis Obispo 97%
7 Santa Clara 97%
7 Tuolumne 97%**
17 El Dorado 96%
17 Solano 96%
17 Yuba 96%
20 Alameda 95%
20 Contra Costa 95%
20 Del Norte 95%**
20 Lake 95%
20 Lassen 95%**
20 Modoc 95%**
20 Napa 95%
20 Plumas 95%**
20 Sierra 95%**
20 Siskiyou 95%**
20 Sutter 95%
20 Trinity 95%**
32 Madera 94%
32 Nevada 94%
32 Stanislaus 94%
32 Yolo 94%
36 Humboldt 93%
36 Los Angeles 93%
36 Merced 93%
36 Sacramento 93%
36 San Benito 93%
36 Tulare 93%
42 Monterey 92%
42 San Diego 92%
42 San Joaquin 92%
45 Orange 91%
46 Butte 90%
46 San Bernardino 90%
46 Ventura 90%
49 Fresno 89%
49 Kern 89%
49 Riverside 89%
52 Colusa 88%**
52 Glenn 88%**
52 Mendocino 88%
52 Tehama 88%**
56 Imperial 86%
56 Santa Barbara 86%
58 Shasta 83%
  CALIFORNIA 93%
*Not Available, **Multi-County Estimate
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Preschool Enrollment,
Ages 3 and 4		 County Percentage
1 Marin 74%
2 San Luis Obispo 68%
2 San Mateo 68%
4 El Dorado 61%
5 Placer 60%
6 Napa 59%
7 Contra Costa 57%
8 Butte 56%
9 Alameda 52%
9 Nevada 52%**
9 Plumas 52%**
9 Santa Cruz 52%
9 Sierra 52%**
9 Sutter 52%**
9 Yuba 52%**
16 Santa Barbara 50%
16 Santa Clara 50%
16 Yolo 50%
19 San Diego 49%
20 Imperial 48%
21 San Francisco 47%
22 Ventura 46%
23 Alpine 45%**
23 Amador 45%**
23 Calaveras 45%**
23 Inyo 45%**
23 Mariposa 45%**
23 Mono 45%**
23 Tuolumne 45%**
30 Sonoma 44%
31 Los Angeles 42%
31 Stanislaus 42%
33 Madera 40%
33 Orange 40%
35 Lake 38%**
35 Mendocino 38%**
35 Monterey 38%**
35 San Benito 38%**
35 San Bernardino 38%
35 Solano 38%
41 Sacramento 35%
42 Fresno 34%
43 Humboldt 33%
44 Del Norte 29%**
44 Kern 29%
44 Lassen 29%**
44 Modoc 29%**
44 Siskiyou 29%**
49 Kings 28%
49 Merced 28%
49 San Joaquin 28%
52 Riverside 27%
52 Shasta 27%
54 Colusa 26%**
54 Glenn 26%**
54 Tehama 26%**
54 Trinity 26%**
58 Tulare 23%
  CALIFORNIA 42%
*Not Available, **Multi-County Estimate
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English Learners County Percentage
1 Imperial 45%
2 Colusa 40%
3 Monterey 37%
4 Merced 32%
5 Los Angeles 31%
5 Madera 31%
7 San Francisco 29%
8 Orange 28%
8 Santa Cruz 28%
8 Tulare 28%
11 Santa Barbara 27%
12 Fresno 26%
12 Santa Clara 26%
14 Napa 25%
15 Riverside 24%
15 Stanislaus 24%
17 San Benito 23%
17 San Diego 23%
19 Kings 22%
19 Mono 22%
19 San Joaquin 22%
19 San Mateo 22%
19 Sonoma 22%
19 Yolo 22%
25 Alameda 21%
25 Kern 21%
25 San Bernardino 21%
25 Ventura 21%
29 Sacramento 19%
30 Mendocino 18%
30 Sutter 18%
30 Yuba 18%
33 Glenn 17%
34 Contra Costa 16%
35 Modoc 13%
35 San Luis Obispo 13%
35 Tehama 13%
38 Butte 12%
38 Marin 12%
38 Solano 12%
41 Inyo 10%
42 Del Norte 9%
42 Lake 9%
44 Placer 7%
45 Amador 5%
45 El Dorado 5%
45 Humboldt 5%
48 Plumas 4%
49 Shasta 3%
49 Sierra 3%
49 Siskiyou 3%
52 Calaveras 2%
52 Lassen 2%
52 Mariposa 2%
55 Nevada 1%
55 Trinity 1%
55 Tuolumne 1%
* Alpine *
  CALIFORNIA 25%
*Not Available, **Multi-County Estimate
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CST English Language Arts: Percentage Proficient or Advanced (Grades 2-6) County Percentage
1 Marin 68%
2 Placer 62%
3 Nevada 60%
4 El Dorado 59%
5 Santa Clara 56%
6 San Luis Obispo 54%
6 San Mateo 54%
8 Plumas 53%
9 Contra Costa 52%
9 Tuolumne 52%
11 Trinity 51%
12 Orange 50%
12 Sonoma 50%
12 Ventura 50%
15 Alameda 49%
15 Calaveras 49%
15 San Diego 49%
15 Sierra 49%
19 Mariposa 48%
19 San Francisco 48%
21 Amador 47%
21 Humboldt 47%
23 Modoc 46%
23 Sacramento 46%
23 Shasta 46%
23 Yolo 46%
27 Siskiyou 45%
27 Solano 45%
29 Napa 44%
29 Santa Barbara 44%
31 Butte 43%
31 Sutter 43%
33 Santa Cruz 42%
33 Tehama 42%
33 Yuba 42%
36 Alpine 41%
36 Mono 41%
38 Lassen 40%
39 Inyo 39%
39 Los Angeles 39%
39 Riverside 39%
39 Stanislaus 39%
43 Fresno 38%
43 Lake 38%
45 Mendocino 37%
45 San Bernardino 37%
47 San Benito 36%
47 San Joaquin 36%
49 Glenn 35%
49 Kern 35%
49 Madera 35%
52 Kings 34%
52 Merced 34%
54 Colusa 33%
54 Del Norte 33%
54 Imperial 33%
54 Monterey 33%
58 Tulare 32%
  CALIFORNIA 43%
*Not Available, **Multi-County Estimate
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CST Math: Percentage Proficient or Advanced (Grades 2-6) County Percentage
1 Marin 72%
2 Placer 67%
3 El Dorado 63%
4 San Luis Obispo 62%
4 Santa Clara 62%
6 San Mateo 60%
7 Nevada 59%
7 Plumas 59%
9 Contra Costa 58%
9 Orange 58%
11 San Diego 57%
11 San Francisco 57%
11 Trinity 57%
11 Ventura 57%
15 Alameda 56%
15 Sonoma 56%
17 Sacramento 55%
18 Napa 54%
18 Shasta 54%
18 Siskiyou 54%
18 Tehama 54%
22 Calaveras 53%
22 Humboldt 53%
22 Sierra 53%
22 Tuolumne 53%
22 Yolo 53%
27 Mariposa 52%
27 Modoc 52%
27 Santa Barbara 52%
31 Sutter 52%
32 Solano 51%
33 Yuba 50%
33 Amador 49%
33 Los Angeles 49%
33 Mono 49%
33 Riverside 49%
37 Butte 48%
37 Lassen 48%
39 Fresno 47%
39 Santa Cruz 47%
41 Lake 46%
41 Madera 46%
41 San Joaquin 46%
41 Stanislaus 46%
45 Imperial 45%
45 San Bernardino 45%
45 Tulare 45%
48 Alpine 44%
48 Inyo 44%
48 Merced 44%
51 Colusa 43%
51 Del Norte 43%
51 Glenn 43%
51 Kern 43%
51 Kings 43%
51 Monterey 43%
51 San Benito 43%
58 Mendocino 42%
  CALIFORNIA 52%
*Not Available, **Multi-County Estimate
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CST English Language Arts: Percentage Proficient or Advanced (Grades 7-11) County Percentage
1 Marin 63%
2 El Dorado 58%
3 Nevada 57%
3 Placer 57%
5 San Luis Obispo 53%
5 Tuolumne 53%
7 Santa Clara 52%
8 San Mateo 51%
9 Orange 50%
10 Contra Costa 49%
10 Mariposa 49%
10 Sierra 49%
10 Sonoma 49%
10 Ventura 49%
15 Amador 48%
16 San Francisco 47%
16 Yolo 47%
18 Alameda 46%
18 Humboldt 46%
18 Plumas 46%
18 Shasta 46%
18 Trinity 46%
23 San Diego 45%
23 Siskiyou 45%
25 Calaveras 44%
25 Napa 44%
27 Butte 43%
27 Santa Barbara 43%
27 Santa Cruz 43%
30 Solano 42%
30 Sutter 42%
32 Sacramento 41%
33 Inyo 40%
34 Mendocino 39%
34 San Benito 39%
36 Glenn 38%
36 Stanislaus 38%
38 Tehama 37%
39 Lassen 36%
39 Modoc 36%
39 Riverside 36%
39 Yuba 36%
43 Del Norte 35%
43 Lake 35%
43 Los Angeles 35%
43 Madera 35%
43 Mono 35%
48 San Bernardino 34%
49 Fresno 33%
49 Kings 33%
49 San Joaquin 33%
52 Monterey 32%
53 Colusa 31%
53 Imperial 31%
53 Kern 31%
53 Merced 31%
53 Tulare 31%
* Alpine *
  CALIFORNIA 40%
*Not Available, **Multi-County Estimate
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CST Math: Percentage Proficient or Advanced (Grades 7-11) County Percentage
1 Marin 46%
2 El Dorado 44%
3 Sierra 42%
4 Orange 41%
4 Santa Clara 41%
6 Nevada 39%
6 San Francisco 39%
6 San Luis Obispo 39%
9 San Mateo 38%
10 Placer 37%
10 Yolo 37%
12 Sonoma 35%
12 Ventura 35%
14 Contra Costa 34%
14 Mariposa 34%
16 Alameda 33%
16 Plumas 33%
16 Trinity 33%
19 Humboldt 32%
19 Tuolumne 32%
21 Sacramento 31%
21 Santa Barbara 31%
21 Shasta 31%
24 Butte 30%
24 Napa 30%
24 San Diego 30%
24 Sutter 30%
28 Amador 29%
28 Stanislaus 29%
30 Siskiyou 28%
31 Tehama 27%
32 Del Norte 26%
32 San Benito 26%
32 Santa Cruz 26%
32 Solano 26%
36 Glenn 25%
36 Inyo 25%
38 Calaveras 24%
38 Los Angeles 24%
38 Madera 24%
41 Fresno 23%
41 Lassen 23%
41 Mendocino 23%
41 Yuba 23%
45 Kern 22%
45 Kings 22%
48 Riverside 22%
48 Colusa 21%
48 Monterey 21%
48 San Bernardino 21%
48 San Joaquin 21%
52 Imperial 20%
52 Merced 20%
52 Mono 20%
52 Tulare 20%
56 Lake 19%
57 Modoc 17%
* Alpine *
  CALIFORNIA 28%
*Not Available, **Multi-County Estimate
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High School Graduates Who Meet UC/CSU Entrance Requirements County Percentage
1 Sierra 70%
2 San Francisco 54%
3 Santa Cruz 52%
4 Marin 51%
5 Calaveras 46%
5 Santa Clara 46%
7 Alameda 43%
7 San Mateo 43%
9 Plumas 42%
9 Santa Barbara 42%
11 Los Angeles 40%
12 Orange 39%
12 San Benito 39%
12 Siskiyou 39%
15 Yolo 38%
16 Contra costa 37%
16 San Diego 37%
18 Glenn 36%
18 Sonoma 36%
20 Placer 35%
20 Riverside 35%
22 El Dorado 34%
23 Fresno 33%
27 Mono 32%
27 Ventura 32%
26 Colusa 31%
26 Mendocino 31%
26 Sacramento 31%
29 San Luis Obispo 30%
29 Tehama 30%
29 Trinity 30%
32 Humboldt 29%
32 San Joaquin 29%
34 Butte 28%
34 Inyo 28%
36 Modoc 27%
36 Solano 27%
38 Kings 26%
38 Napa 26%
40 Monterey 25%
41 Lake 24%
41 Mariposa 24%
41 Shasta 24%
44 Amador 23%
44 Lassen 23%
44 San Bernardino 23%
47 Kern 22%
47 Nevada 22%
47 Stanislaus 22%
47 Tulare 22%
51 Imperial 21%
51 Tuolumne 21%
51 Yuba 21%
54 Madera 20%
54 Sutter 20%
56 Merced 19%
57 Del Norte 13%
* Alpine *
  CALIFORNIA 35%
*Not Available, **Multi-County Estimate