Depending on your set-up, 2-4 people.
On one site, I'd say 6 is the max (2 in the car, 4 in a tent) ... I've never camped with just one site though, so that might be on the high side.
I say 4 comfortably. Take your tent down each morning for more space during the day.
10/20 Blur, Courtney Barnett @ HB
10/30 Tobias Jesso Jr. @ Fonda Theatre
10/31 FIDLAR @ The Regent
11/10 The Orwells @ Teragram Ballroom
11/11 Kendrick Lamar @ The Wiltern
11/14 TV on the Radio @ Theatre Ace Hotel
11/19 Alvvays @ Echoplex
11/29 Foals @ The Wiltern
12/8 Kiasmos @ Echoplex
12/12 Beach House @ Fonda Theatre
12/16 Jennylee @ Echo