Listed as the fastest growing county in the US by the US Census Bureau, the number of housing units in Williams County ND is estimated to have increased by 13.9 percent in 2012 – from 10,968 in 2011 to 12,493 in 2012, an increase of 1,525. The next fastest growing county in the US was Ward County, also in North Dakota, which grew by 4.8 percent.
Eight other counties in North Dakota also made the top 100 list of fastest growing counties in the country, as did Albany County, Wyoming and Lincoln County, South Dakota.
Yellowstone County in Montana grew 2.2 percent over the same period – increasing an estimated 142 units, from 64,489 to 64,631. From 2010 to 2011 the estimated rate of growth in Yellowstone County was strikingly higher at 6 percent, when the number of units increased 396.
Richland County had an estimated growth of four percent from 2011 to 2012 with the addition of an estimated 204 units, from 4,623 to 4827.
Missoula had an estimated increase of 7 percent, or 393 units, increasing the total number of units from 50,326 to 40,719.
Gallatin County increased also increased six percent or 292, increasing total units from 42,677 to 42,969.
Cascade County grew just over one percent with the addition of 52 units, increasing from an estimated total of 37,386 to 37,438.
Montana is ranked, in terms of growth in the rate of housing units, at 39th in the nation, increasing 0.3 percent, from 484,901 units to 486,141. North Dakota ranked number one.