The City of San Jacinto is seeing a mass move to the San Jacinto Valley (see Hemet and Valle Vista). As of the 2006-2007 Annual Report, released Fall 2007, the population has grown to 34,345. There is an expected population growth of 45,000 by 2010.
As of the census of 2007, there were 34,345 people, 11,848 households in the city. The population density was 1357.5 people per square mile (368.6/km²). There were 11,878 housing units at an average density of 380.4/sq mi (146.9/km²). The racial makeup of the city was 69.34% White, 2.65% African American, 2.34% Native American, 1.12% Asian, 0.16% Pacific Islander, 19.52% from other races, and 4.87% from two or more races. Hispanic or Latino of any race were 40.30% of the population.
There were 11,848 households out of which 36.1% had children under the age of 18 living with them, 52.1% were married couples living together, 13.0% had a female householder with no husband present, and 29.8% were non-families. 25.4% of all households were made up of individuals and 14.7% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.41.
In the city the population was spread out with 31.3% under the age of 18, 8.0% from 18 to 24, 26.1% from 25 to 44, 17.3% from 45 to 64, and 17.2% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 93.8 males. For every 100 females age 18 and over, there were 89.1 males. San Jacinto has a large senior citizen (over age of 55) community, includes the Soboba Country Club east of town.
The median income for a household in the city was $35,306, and the median income for a family was $34,717. Males had a median income of $31,764 versus $25,392 for females. The per capita income for the city was $13,265. About 15.2% of families and 20.3% of the population were below the poverty line, including 26.6% of those under age 18 and 12.2% of those age 65 or over.