Colfax is a city located in Washington. With a 2020 population of 2,965, it is the 146th largest city in Washington and the 6278th largest city in the United States. Colfax is currently growing at a rate of 0.92% annually and its population has increased by 5.70% since the most recent census, which recorded a population of 2,805 in 2010. Colfax reached it's highest population of 3,057 in 1950. Spanning over 4 miles, Colfax has a population density of 785 people per square mile.
The average household income in Colfax is $64,638 with a poverty rate of 14.07%. The median rental costs in recent years comes to $706 per month, and the median house value is $166,500. The median age in Colfax is 46.1 years, 40.1 years for males, and 50.5 years for females. For every 100 females there are 111.8 males.