A lot of routers still use MIPS, and a fair amount of special purpose embedded systems. I still have a few now somewhat aging MIPS SoC development boards from chumby, though we never put out a MIPS-based product.
Not a lot of general purpose use anymore since the golden age of the SGI/N64/PS2/PSP.
I have this vague recollection that for a while, MIPS was sort of in the running against ARM for more things, but has now been pretty much completely squeezed out of certain markets, like phones.
It wasn't really ever in the running for phones/tablets; there were some cheap no-name Chinese devices using MIPS early on but now they all use Rockchip or Mediatek SoCs. Imagination did buy MIPS with the stated goal of pushing into this market, but it's truly too late.
Really, the only growth left for MIPS is through China's government's technology independence initiative in developing the Loongson/Godson CPUs, for which they licensed MIPS. A Loongson powers the laptop that RMS uses.
Not a lot of general purpose use anymore since the golden age of the SGI/N64/PS2/PSP.