The 2016 Collier County, Florida, population is 357,305. There are 179 people per square mile (population density).
The median age is 48. The US median is 37.4. 56.36% of people in Collier County, Florida, are married. 11.39% are divorced.
The average household size is 2.61 people. 21.08% of people are married, with children. 11.99% have children, but are single.
64.81% of people are white, 6.56% are black, 1.24% are asian, 0.15% are native american, and 0.13% claim 'Other'.
26.34% of the people in Collier County, Florida, claim hispanic ethnicity (meaning 73.66% are non-hispanic).
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