Sea Ranch Lakes is located on Highway A1A, in between Lauderdale by the Sea and Pompano Beach. The majority of Sea Ranch Lakes is a walled in community, accesses to which is controlled by a small private security force.
According to the United States Census Bureau, the village has a total area of 0.6 km² (0.2 mi²). 0.5 km² (0.2 mi²) of it is land and 0.1 km² (0.04 mi²) of it is water. The total area is 18.18% water.
As of the census of 2000, there are 1,392 people, 696 households, and 421 families residing in the village. The population density is 2,985.9/km² (7,689.5/mi²). There are 1,339 housing units at an average density of 2,872.2/km² (7,396.7/mi²). The racial makeup of the village is 97.84% White, 0.93% African American, 0.00% Native American, 0.65% Asian, 0.00% Pacific Islander, 0.00% from other races, and 0.57% from two or more races. 6.90% of the population are Hispanic or Latino of any race.
There are 696 households out of which 14.5% have children under the age of 18 living with them, 56.3% are married couples living together, 3.6% have a female householder with no husband present, and 39.5% are non-families. 34.3% of all households are made up of individuals and 19.3% have someone living alone who is 65 years of age or older. The average household size is 2.00 and the average family size is 2.56.
In the village the population is spread out with 14.5% under the age of 18, 2.1% from 18 to 24, 14.7% from 25 to 44, 32.5% from 45 to 64, and 36.1% who are 65 years of age or older. The median age is 57 years. For every 100 females there are 83.4 males. For every 100 females age 18 and over, there are 82.8 males.
The median income for a household in the village is $62,813, and the median income for a family is $85,729. Males have a median income of $0 versus $42,500 for females. The per capita income for the village is $60,088. 7.0% of the population and 6.7% of families are below the poverty line. Out of the total people living in poverty, 9.8% are under the age of 18 and 3.2% are 65 or older.