أيونا، فلوريدا

بلغ عدد سكان إيونا 16,908 نسمة وفقًا لتعداد عام 2020. وكان متوسط ​​العمر 67.6 عامًا. 6.5% من السكان كانوا دون سن 18 عامًا، و55.6% منهم كانوا في سن 65 عامًا أو أكبر. وبلغ عدد الذكور 90.6 لكل 100 أنثى، و89.4 لكل 100 أنثى في سن 18 عامًا فأكثر. ^{[ 8 ] [ 9 ]}

كان 100% من السكان يعيشون في المناطق الحضرية، بينما لم يكن هناك أي نسبة تعيش في المناطق الريفية. ^{[ 10 ]}

There were 8,798 households in Iona, of which 7.5% had children under the age of 18 living in them. Of all households, 50.2% were married-couple households, 17.9% were households with a male householder and no spouse or partner present, and 27.2% were households with a female householder and no spouse or partner present. About 36.7% of all households were made up of individuals and 24.0% had someone living alone who was 65 years of age or older.^[8]

There were 13,876 housing units, of which 36.6% were vacant. The homeowner vacancy rate was 2.2% and the rental vacancy rate was 15.4%.^[8]

As of the census^[3] of 2000, there were 11,756 people, 6,023 households, and 3,740 families residing in the CDP. The population density was 1,648.5 inhabitants per square mile (636.5/km²). There were 9,290 housing units at an average density of 1,302.7 per square mile (503.0/km²). The racial makeup of the CDP was 97.47% White, 0.41% African American, 0.17% Native American, 0.48% Asian, 0.01% Pacific Islander, 0.83% from other races, and 0.63% from two or more races. Hispanic or Latino of any race were 3.94% of the population.

There were 6,023 households, out of which 11.2% had children under the age of 18 living with them, 54.9% were married couples living together, 5.1% had a female householder with no husband present, and 37.9% were non-families. 31.4% of all households were made up of individuals, and 17.0% had someone living alone who was 65 years of age or older. The average household size was 1.95 and the average family size was 2.36.

In the CDP, the population was spread out, with 10.2% under the age of 18, 3.6% from 18 to 24, 17.6% from 25 to 44, 29.1% from 45 to 64, and 39.5% who were 65 years of age or older. The median age was 59 years. For every 100 females, there were 91.5 males. For every 100 females age 18 and over, there were 90.2 males.

بلغ متوسط ​​دخل الأسرة في المنطقة 37,091 دولارًا، ومتوسط ​​دخل العائلة 46,250 دولارًا. وبلغ متوسط ​​دخل الذكور 34,740 دولارًا مقابل 25,683 دولارًا للإناث. وبلغ متوسط ​​دخل الفرد في المنطقة 33,937 دولارًا. وكان حوالي 5.9% من الأسر و10.0% من السكان تحت خط الفقر ، بما في ذلك 17.6% ممن تقل أعمارهم عن 18 عامًا و4.7% ممن تبلغ أعمارهم 65 عامًا فأكثر.