Actual and predicted population data by gender and age from the Department of Local Affairs (DOLA), from 1990 to 2040.

Census Data is collected every 10 years by mail surveys to every household with primary data collection fields of population, gender, race and number of occupants. Data includes demographics, education level, commute information, and more subset to Colorado by the Department of Local Affairs (DOLA).

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.

The 2011-12 school year marked the sixth year in which the Colorado Department of Education calculated and reported student mobility rates. In addition, this year the state began reporting stability rates. The stability rate represents the number and percent of students who remained at a school/district without interruption throughout the school year.