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Best Cities for Professional certification in California

Top 20 ZIP codes ranked by opportunity score. Score combines walkability (foot traffic), population density, median income, and food truck competition.

80–100 Excellent 60–79 Good 40–59 Fair <40 Challenging

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#	ZIP Code	Score	Walkability	Median Income
#1	ZIP 95614 Pop. 4.5 Thousand	100 Excellent	—	$129,199
#2	ZIP 94517 Pop. 12 Thousand	100 Excellent	—	$164,860
#3	ZIP 92602 Pop. 27 Thousand	100 Excellent	—	$150,406
#4	ZIP 94005 Pop. 4.7 Thousand	100 Excellent	—	$151,593
#5	ZIP 94507 Pop. 15 Thousand	100 Excellent	—	$250,001
#6	ZIP 91301 Pop. 24 Thousand	100 Excellent	—	$166,912
#7	ZIP 95650 Pop. 13 Thousand	100 Excellent	—	$137,263
#8	ZIP 95655 Pop. 5 Thousand	100 Excellent	—	$130,500
#9	ZIP 94019 Pop. 15 Thousand	100 Excellent	—	$153,272
#10	ZIP 95672 Pop. 5.6 Thousand	100 Excellent	—	$145,769
#11	ZIP 93510 Pop. 7.6 Thousand	100 Excellent	—	$118,462
#12	ZIP 95683 Pop. 6.1 Thousand	100 Excellent	—	$130,439
#13	ZIP 94028 Pop. 6.6 Thousand	100 Excellent	—	$250,001
#14	ZIP 95033 Pop. 9.9 Thousand	100 Excellent	—	$183,836
#15	ZIP 94925 Pop. 10 Thousand	100 Excellent	—	$220,771
#16	ZIP 95006 Pop. 8.4 Thousand	100 Excellent	—	$128,483
#17	ZIP 93410 Pop. 7 Thousand	100 Excellent	—	—
#18	ZIP 90094 Pop. 12 Thousand	100 Excellent	—	$159,904
#19	ZIP 92624 Pop. 6.7 Thousand	100 Excellent	—	$125,377
#20	ZIP 91915 Pop. 35 Thousand	100 Excellent	—	$138,283

Data updated March 2026. Sources: Census Bureau ACS 2023, USDA National Walkability Index 2021, County Business Patterns 2022.

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