thumb|Old Olga School, now a community center
Olga is an unincorporated community and census-designated place (CDP) in Lee County, Florida, United States. The population was 2,270 at the 2020 census, up from 1,952 at the 2010 census. It is part of the Cape Coral-Fort Myers, Florida Metropolitan Statistical Area.
Geography
Olga is located in northeastern Lee County on the south side of the Caloosahatchee River. It is bordered to the east and north by Alva and to the west by Fort Myers Shores. Florida State Road 80 passes through the CDP, leading southwest to the center of Fort Myers, the county seat, and east to LaBelle.
According to the United States Census Bureau, the Olga CDP has a total area of , of which are land and , or 4.49%, are water.
Demographics
2020 census
As of the 2020 census, Olga had a population of 2,270. The median age was 46.0 years. 19.3% of residents were under the age of 18 and 22.5% of residents were 65 years of age or older. For every 100 females there were 97.7 males, and for every 100 females age 18 and over there were 96.4 males age 18 and over.
79.5% of residents lived in urban areas, while 20.5% lived in rural areas.
There were 889 households in Olga, of which 27.8% had children under the age of 18 living in them. Of all households, 51.1% were married-couple households, 16.8% were households with a male householder and no spouse or partner present, and 25.3% were households with a female householder and no spouse or partner present. About 22.8% of all households were made up of individuals and 11.3% had someone living alone who was 65 years of age or older.