For gas, let's assume you drive 1,000 miles a month and your car averages 23 miles per gallon. You'd need to budget about $87 per month with prices at $2 per gallon. That leaves only $124 for a car payment, parking and other transportation expenses.
North Dakota grew the fastest, increasing its population by 2.2 percent in the same time span. Colorado increased 1.9 percent. From 2010 to 2015, Colorado grew by 408,320 people, a 7.5 percent increase and the fourth-fastest growth rate behind North Dakota, Washington D.C. and Texas.
In the latter half of the 1900s, increases in the region of 30% from census to census took the population of Colorado past the 5 million mark in 2012. Colorado Population Projections. Many states in the US have shown growth at every census, but Colorado's population is actually growing faster now than it did during the 20s, 30s, and 40s.