Indio is located at 33°43'12" North, 116°13'55" West (33.719871, -116.231889)1.
According to the United States Census Bureau, the city has a total area of 69.2 km² (26.7 mi²). 69.1 km² (26.7 mi²) of it is land and 0.04% is water.
As of the census of 2000, there are 49,116 people, 13,871 households, and 11,069 families residing in the city. The population density is 710.5/km² (1,840.3/mi²). There are 16,909 housing units at an average density of 244.6/km² (633.6/mi²). The racial makeup of the city is 48.67% White, 2.77% African American, 1.04% Native American, 1.51% Asian American, 0.10% Pacific Islander, 42.02% from other races, and 3.89% from two or more races. 75.39% of the population are Hispanic or Latino of any race.
There are 13,871 households out of which 48.2% have children under the age of 18 living with them, 55.9% are married couples living together, 16.7% have a female householder with no husband present, and 20.2% are non-families. 16.0% of all households are made up of individuals and 7.0% have someone living alone who is 65 years of age or older. The average household size is 3.48 and the average family size is 3.88.
In the city the population is spread out with 35.3% under the age of 18, 11.1% from 18 to 24, 29.4% from 25 to 44, 15.2% from 45 to 64, and 9.1% who are 65 years of age or older. The median age is 27 years. For every 100 females there are 101.2 males. For every 100 females age 18 and over, there are 98.8 males.
The median income for a household in the city is $34,624, and the median income for a family is $35,564. Males have a median income of $25,651 versus $21,093 for females. The per capita income for the city is $13,525. 21.5% of the population and 16.8% of families are below the poverty line. Out of the total people living in poverty, 28.2% are under the age of 18 and 12.0% are 65 or older.