There were 1,239 total businesses in the area, with 281 professional, scientific and technical services businesses (22.7%) accounting for the largest proportion of these businesses. 708 businesses (57.1%) had fewer than five employees, and 12 (1%) had 250 or more.
The ZIP code with the largest median business size was 92814. The median business size in 92814 was between 50 and 99 employees.
The following table shows the median business size in the top ZIP codes in California.
Median business size in the top California ZIP Codes (2016)
| ZIP code | Total Employees |
|---|---|
| 92814 | 50-99 |
| 90224 | 20-49 |
| 90747 | 20-49 |
| 90895 | 20-49 |
| 91121 | 20-49 |
| 91329 | 20-49 |
| 91749 | 20-49 |
| 92186 | 20-49 |
| 92415 | 20-49 |
| 93627 | 20-49 |
| 93717 | 20-49 |
| 93928 | 20-49 |
| 95813 | 20-49 |
| 90050 | 10-19 |
| 90509 | 10-19 |
| 90622 | 10-19 |
| 90639 | 10-19 |
| 90714 | 10-19 |
| 90749 | 10-19 |
| 91125 | 10-19 |
| 91188 | 10-19 |
| 91210 | 10-19 |
| 91608 | 10-19 |
| 91747 | 10-19 |
| 92093 | 10-19 |
| 92182 | 10-19 |
| 92230 | 10-19 |
| 92309 | 10-19 |
| 92702 | 10-19 |
| 92803 | 10-19 |
| 93009 | 10-19 |
| 93044 | 10-19 |
| 93224 | 10-19 |
| 93239 | 10-19 |
| 93408 | 10-19 |
| 93429 | 10-19 |
| 93558 | 10-19 |
| 93740 | 10-19 |
| 94035 | 10-19 |
| 94120 | 10-19 |
| 94125 | 10-19 |
| 94128 | 10-19 |
| 94203 | 10-19 |
| 94540 | 10-19 |
| 94562 | 10-19 |
| 94573 | 10-19 |
| 94802 | 10-19 |
| 95164 | 10-19 |
| 95201 | 10-19 |
| 95646 | 10-19 |
| 95837 | 10-19 |
| 95929 | 10-19 |
| 90017 | 5-9 |
| 90023 | 5-9 |
| 90040 | 5-9 |
| 90045 | 5-9 |
| 90054 | 5-9 |
| 90058 | 5-9 |
| 90060 | 5-9 |
| 90061 | 5-9 |
| 90071 | 5-9 |
| 90202 | 5-9 |
| 90220 | 5-9 |
| 90221 | 5-9 |
| 90223 | 5-9 |
| 90245 | 5-9 |
| 90248 | 5-9 |
| 90249 | 5-9 |
| 90263 | 5-9 |
| 90280 | 5-9 |
| 90301 | 5-9 |
| 90303 | 5-9 |
| 90407 | 5-9 |
| 90410 | 5-9 |
| 90502 | 5-9 |
| 90624 | 5-9 |
| 90640 | 5-9 |
| 90660 | 5-9 |
| 90670 | 5-9 |
| 90704 | 5-9 |
| 90712 | 5-9 |
| 90723 | 5-9 |
| 90742 | 5-9 |
| 90744 | 5-9 |
| 90746 | 5-9 |
| 90748 | 5-9 |
| 90755 | 5-9 |
| 90806 | 5-9 |
| 90810 | 5-9 |
| 90822 | 5-9 |
| 91109 | 5-9 |
| 91303 | 5-9 |
| 91331 | 5-9 |
| 91340 | 5-9 |
| 91341 | 5-9 |
| 91355 | 5-9 |
| 91392 | 5-9 |
| 91708 | 5-9 |
| 91710 | 5-9 |
| 91730 | 5-9 |
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