My fire district is also the boundary line for the patrol district in my County. We (and the SO) cover 17,000ish people. In the most populous County in my state.
At peak time, 1400 to 2300, I have 3 patrol deputies in my district and 1 Sgt covering it and 2 other districts, and 1 LT covering the entire County.
At peak time, 1400 to 2300, I have 3 patrol deputies in my district and 1 Sgt covering it and 2 other districts, and 1 LT covering the entire County.