Northern California
Northern California: the places inside it, the companies based here, and where this atlas has research on it.
area · North America · page prepared 2026-11-07
Visiting rather than moving? The free guidebook for NorCal →
A
NorCal at a glance
Rolled up from the 22 regions inside NorCal on this site.
Population—
registry estimate
Places inside22
17 with a full /local page
Businesses on file178,123
business register, all places inside
Companies headquartered793
in the company directory
Who represents them11
places with a /politics page
Property & employers11 · 0
/property and /employers records
B
Largest places in NorCal
By registry population; places with a full /local page are marked.
- 1.San Francisco, California full826,079
- 2.Fresno, California full542,107
- 3.Oakland, California full440,646
- 4.Fremont, California full230,504
- 5.Modesto, California full218,464
- 6.Santa Rosa, California full178,127
- 7.Hayward, California full162,954
- 8.Visalia, California full141,384
- 9.Vallejo, California full126,090
- 10.Berkeley, California full124,321
- 11.Fairfield, California full119,881
- 12.Livermore, California full87,955
- 13.Merced, California full86,333
- 14.Pleasanton, California full79,871
- 15.Napa, California full76,921
R
Inside NorCal
7 regions have NorCal as their parent.
C
Companies based in NorCal
2 in the Research Upon company directory list their headquarters here, and 793 across NorCal and the places inside it — search them all below.
| Company | Industry | Founded |
|---|---|---|
| Apollo Software | Entertainment | |
| Premier Mushrooms | Food | 2007 |
areaAbout this page: figures for the whole of Northern California are rolled up from every region inside it; each place inside has a page of its own, and the companies headquartered here are listed above.