As of the census of 2000, there were 30,000 people, 13,502 households, and 6,940 families residing in the city. The population density was 4,914.7/mi² (1,897.8/km²). There were 14,500 housing units at an average density of 2,302.7/mi² (889.2/km²). The racial makeup of the city was 65.98% White (53.9% were Non-Hispanic White,) 22.65% African American, 0.23% Native American, 1.94% Asian, 0.13% Pacific Islander, 4.45% from other races, and 4.62% from two or more races. Hispanic or Latino of any race were 17.94% of the population.
There were 13,502 households out of which 24.5% had children under the age of 18 living with them, 32.3% were married couples living together, 13.3% had a female householder with no husband present, and 48.6% were non-families. 35.1% of all households were made up of individuals and 7.4% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 3.00.
In the city the population was spread out with 20.9% under the age of 18, 9.0% from 18 to 24, 38.7% from 25 to 44, 21.3% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 109.1 males. For every 100 females age 18 and over, there were 109.8 males.
The median income for a household in the city was $35,493, and the median income for a family was $38,571. Males had a median income of $30,269 versus $25,514 for females. The per capita income for the city was $18,873. About 13.3% of families and 16.5% of the population were below the poverty line, including 22.1% of those under age 18 and 11.3% of those age 65 or over.
As of 2000, English as a first language comprised 66.52%, while 18.16% spoke Spanish, 6.95% spoke French Creole as theirs, 3.32% spoke Portuguese, 1.99% spoke French, Italian was at 0.64%, and German as a mother tongue made up 0.52% of the population.
As of 2000, Oakland Park was the fifteenth most Brazilian-populated area in the US (tied with several other areas) at 2.1%, and it had the twenty-fifth highest percentage of Haitians in the US, with 7% of the population (tied with Ramapo, New York.)
Also, as of 2000, the North Andrews Gardens section of Oakland Park is the sixty-third most Cuban-populated area in the US at 5.76%, while the rest of Oakland Park had the 113th highest percentage of Cubans with 2.03% of all residents. The North Andrews Gardens section was also the thirty-third most Peruvian-populated area in the US, at 1.51% of the population, as well as having the seventy-fourth highest percentage of Colombians in the US, at 2.03% of all residents.
Oakland Park is a part of the Miami-Fort Lauderdale-Hollywood media market, which is the twelfth largest radio market and the seventeenth largest television market in the United States. Its primary daily newspapers are the South Florida-Sun Sentinel and The Miami Herald, and their Spanish-language counterparts El Sentinel and El Nuevo Herald.