Rio, Florida
Encyclopedia
Rio is a census-designated place
Census-designated place
A census-designated place is a concentration of population identified by the United States Census Bureau for statistical purposes. CDPs are delineated for each decennial census as the statistical counterparts of incorporated places such as cities, towns and villages...

 (CDP) in Martin County
Martin County, Florida
Martin County is a county in the U.S. state of Florida. As of 2000, the population was 126,731. The U.S. Census Bureau 2008 estimate for the county is 138,660. Its county seat is Stuart, Florida.- History :...

, Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The population was 1,028 at the 2000 census. Rio is pronounced locally as if it were spelled "Rye-oh." It is part of the Port St. Lucie
Port St. Lucie, Florida
Port St. Lucie is a city in St. Lucie County, Florida, United States. The population of Port St. Lucie was 88,769 at the 2000 census but grew rapidly during the 2000s. In 2009 the State of Florida estimated the City's population at 155,251. Port St. Lucie forms part of a metropolitan area called...

 Metropolitan Statistical Area.

History

Rio proper was platted as Rio St. Lucie, but the post office established on March 24, 1893 was called Rio San Lucie. On December 1, 1897, the post office name was shortened to Rio. The Rio post office was discontinued on March 15, 1902, with the area being taken over by the post office at Goslingville, which was located on the narrow peninsula just north of the present day Roosevelt Bridge. On April 6, 1904, the Rio post office was reactivated and it continued until October 15, 1927, when it was added to the post office at Jensen now known as Jensen Beach
Jensen Beach, Florida
Jensen Beach is a census-designated place in Martin County, Florida, United States. The population was 11,100 at the 2000 census. It is part of the Port St...

.

Geography

Rio is located at 27°13′6"N 80°14′24"W (27.218419, -80.240037).

According to the United States Census Bureau
United States Census Bureau
The United States Census Bureau is the government agency that is responsible for the United States Census. It also gathers other national demographic and economic data...

, the CDP has a total area of 0.9 square miles (2.3 km²), of which, 0.4 square miles (1 km²) of it is land and 0.5 square miles (1.3 km²) of it (56.04%) is water.

Demographics

As of the census
Census
A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...

of 2000, there were 1,028 people, 495 households, and 283 families residing in the CDP. The population density
Population density
Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 was 2,568.5 people per square mile (992.3/km²). There were 622 housing units at an average density of 1,554.1/sq mi (600.4/km²). The racial makeup of the CDP was 97.96% White, 0.49% African American, 0.10% Native American, 0.39% Asian, 0.10% Pacific Islander, 0.29% from other races
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, and 0.68% from two or more races. Hispanic or Latino of any race were 1.75% of the population.

There were 495 households out of which 18.4% had children under the age of 18 living with them, 44.4% were married couples
Marriage
Marriage is a social union or legal contract between people that creates kinship. It is an institution in which interpersonal relationships, usually intimate and sexual, are acknowledged in a variety of ways, depending on the culture or subculture in which it is found...

 living together, 7.9% had a female householder with no husband present, and 42.8% were non-families. 34.5% of all households were made up of individuals and 12.1% had someone living alone who was 65 years of age or older. The average household size was 2.08 and the average family size was 2.65.

In the CDP the population was spread out with 16.5% under the age of 18, 5.6% from 18 to 24, 22.6% from 25 to 44, 32.3% from 45 to 64, and 23.0% who were 65 years of age or older. The median age was 48 years. For every 100 females there were 99.6 males. For every 100 females age 18 and over, there were 101.4 males.

The median income for a household in the CDP was $45,089, and the median income for a family was $56,125. Males had a median income of $45,337 versus $31,311 for females. The per capita income
Per capita income
Per capita income or income per person is a measure of mean income within an economic aggregate, such as a country or city. It is calculated by taking a measure of all sources of income in the aggregate and dividing it by the total population...

 for the CDP was $27,674. About 7.6% of families and 11.9% of the population were below the poverty line, including 17.2% of those under age 18 and 10.7% of those age 65 or over.
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