Alan Archibald’s side were scheduled to face champions Celtic at Parkhead on August 9 but the match was postponed due to work being carried out at the ground following its use for the Commonwealth Games.
After the opener against County, Thistle face the two newly-promoted sides - a trip to Dundee on August 16 before returning to Firhill to take on Alex Neil's Hamilton Accies seven days later.
The Jags round the month off with a tough trip to Pittodrie and following a two-week international break entertain Inverness Caledonian Thistle on September 13.
New Year’s Day sees a huge derby game as Celtic visit Firhill followed by another big home game on January 4 when Dundee United are the visitors.
And Partick reach the split with tough trips to Aberdeen and Celtic with a home game against Motherwell rounding off the published fixtures.