According to data from the last two years, collected by M-Lab, a joint effort of Google and the New America Foundation, Montana has the slowest average download speeds in the country — a measly 2.57 Mbps. The fastest was Delaware, with an average speed of 11.26 Mbps.
The graph below is a little hard to read, but when the timeline gets to the end, Montana’s on the bottom.
There’s a lot more data and ways to visualize it on the Google Public Data Explorer. Check it out.
Oh, and a question for the commenters: How’s your Internet speed in Montana? Bad, good, fair to middlin’?