Midgam conducted a poll of 600 people that was taken out for Army Radio and released on March 11 2015.

Current Knesset seats in [brackets]

24 [20] Zionist Union (Labor-Livni)
21 [18] Likud
13 [11] Bayit Yehudi
12 [20] Yesh Atid
12 [11] The Joint (Arab) List
08 [02] Kulanu (Kahlon+Kadima)
07 [10] Shas
07 [07] Yahadut Hatorah/UTJ
06 [13] Yisrael Beitenu
06 [06] Meretz
04 [02] Yachad (Yishai+Chetboun+Marzel)

66 [63] Right-Religious-Kahlon (Parties that have not ruled out nominating Netanyahu in Phase 2)
54 [57] Center-Left-Arab (Parties that have ruled out nominating Netanyahu in Phase 2)

Additional Question:

Between these two candidates, who is more suited to be Prime Minister?

Netanyahu 48%: Men 48%, Women 49%, Age 18-29 – 57%, Age 30-49 – 47%, Age 50+ – 42%
Herzog 32%: Men 37%, Women 26%, Age 18-29 – 19%, Age 30-49 – 31%, Age 50+ – 45%