Brighton, CO has a population of 36,307 and is the 1,159th largest city in the United States. The population density is 1,706 per sq mi which is 2946% higher than the Colorado average and 1783% higher than the national average. The median age in Brighton is 33 which is approximately 10% lower than the Colorado average of 36. In Brighton, 55% of the population over 15 years of age are married, 73% speak English and 25% speak Spanish. 54% of Brighton residents were born in Colorado, 31% were born out of state, 1% were born outside of the United States and 14% were foreign born.