Real Estate and Community Statistics for Erie Colorado  Population:  20,801 Population Density:  1,078 People per square mile Percentage of Families with Kids under 18:  55% (Colorado Average is 45%) Population who are married: 72% (Colorado Average is 56%) Median Household Income: $127,499 as of January 2022, versus Colorado Average $77,127 Median Non-Family Income: $92,448 as … Continue reading Real Estate and General Statistics for Erie Colorado