As of the census of 2000, there were 368,021 people, 110,385 households, and 87,093 families residing in the county. The population density was 76 people per square mile (29/km²). There were 119,639 housing units at an average density of 25 per square mile (10/km²). The racial makeup of the county was 58.08% White, 1.59% Black or African American, 1.56% Native American, 3.27% Asian, 0.11% Pacific Islander, 30.79% from other races, and 4.60% from two or more races. 50.77% of the population were Hispanic or Latino of any race. 6.2% were of American, 5.7% German and 5.0% English ancestry according to Census 2000. 56.3% spoke English, 38.9% Spanish and 1.1% Portuguese as their first language.
There were 110,385 households out of which 44.9% had children under the age of 18 living with them, 58.1% were married couples living together, 14.5% had a female householder with no husband present, and 21.1% were non-families. 17.1% of all households were made up of individuals and 7.7% had someone living alone who was 65 years of age or older. The average household size was 3.28 and the average family size was 3.67.
In the county the population was spread out with 33.8% under the age of 18, 10.6% from 18 to 24, 27.6% from 25 to 44, 18.2% from 45 to 64, and 9.8% who were 65 years of age or older. The median age was 29 years. For every 100 females there were 100.0 males. For every 100 females age 18 and over, there were 97.7 males.
The median income for a household in the county was $33,983, and the median income for a family was $36,297. Males had a median income of $30,892 versus $24,589 for females. The per capita income for the county was $14,006. About 18.8% of families and 23.9% of the population were below the poverty line, including 32.6% of those under age 18 and 10.5% of those age 65 or over.
(reported by the sheriff's office or county police)
Tulare County Transit provides a countywide bus service linking the population centers. A connection to Delano in Kern County is also operated.
The cities of Tulare, Porterville, and Visalia have their own local bus services.
Greyhound and Orange Belt Stages provide long-distance, intercity bus service.
Visalia Municipal Airport has limited passenger service. Sequoia Field, just north of Visalia, is a County-owned general aviation airport.