Holtville (formerly, Holton) is a city in Imperial County, California, United States. Holtville is located 10.5 miles (17 km) east of El Centro, The population was 5,612 at the 2000 census. It is part of the 'El Centro, California Metropolitan Statistical Area'. City officials believed the population doubled in the last 6 years by 2007.
Holtville was famous in the 20th century with having the Imperial Valley Carrot Festival but was confused with the Coachella Valley from Bugs Bunny animated shorts in the 1940s when he reads the map seeking a Carrot Festival.
According to the United States Census Bureau, the city has a total area of 1.1 square miles (3.0 km²), all of it land.
The community started in 1903 as Holton. The first post office at Holtville was transferred from Eastside in 1904. Holtville incorporated in 1908. The name honors W.F. Holt, founder of the community.
As of the census of 2000, there were 5,612 people, 1,564 households, and 1,340 families residing in the city. The population density was 4,920.8 people per square mile (1,900.7/km²). There were 1,617 housing units at an average density of 1,417.8/sq mi (547.7/km²). The racial makeup of the city was 54.37% White, 0.62% Black or African American, 0.84% Native American, 0.84% Asian, 0.07% Pacific Islander, 39.15% from other races, and 4.12% from two or more races. 73.84% of the population were Hispanic or Latino of any race.
There were 1,564 households out of which 52.1% had children under the age of 18 living with them, 64.9% were married couples living together, 16.5% had a female householder with no husband present, and 14.3% were non-families. 12.3% of all households were made up of individuals and 5.8% had someone living alone who was 65 years of age or older. The average household size was 3.51 and the average family size was 3.80.
In the city the population was spread out with 35.2% under the age of 18, 8.9% from 18 to 24, 26.5% from 25 to 44, 18.3% from 45 to 64, and 11.1% who were 65 years of age or older. The median age was 30 years. For every 100 females there were 94.1 males. For every 100 females age 18 and over, there were 89.4 males.
The median income for a household in the city was $36,318, and the median income for a family was $39,347. Males had a median income of $31,328 versus $26,477 for females. The per capita income for the city was $12,505. About 15.7% of families and 18.2% of the population were below the poverty line, including 23.2% of those under age 18 and 11.8% of those age 65 or over.
In the state legislature Holtville is located in the 40th Senate District, represented by Democrat Denise Moreno Ducheny, and in the 80th Assembly District, represented by Republican Bonnie Garcia. Federally, Holtville is located in California's 51st congressional district, which has a Cook PVI of D +7 and is represented by Democrat Bob Filner.
History was made during the election cycle of 2006, when voters elected Lisa Bianca Padilla, becoming the first female Hispanic candidate ever to win a seat on the city council.