Lakeside is a Statutory Town located in the U.S. state of Colorado. It is within Jefferson County. Lakeside was incorporated on November 25, 1907. It has a total area of 0.25 square miles at 39°47′00″N 105°03′25″W. The elevation is 5,364 feet above sea level. As of the 2010 census data, it had a total population of 8. The population density was 42.55/sq mi. Estimated per capita income in 2016 was $22,079. Recent job growth is positively increased by 1.85 percent. The average travel time is 15 minutes. It has Zip code 80212.