Ducor is located at(35.892176, -119.048079).
According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km²), all of it land.
As of the census of 2000, there were 504 people, 120 households, and 101 families residing in the CDP. The population density was 829.2 people per square mile (319.0/km²). There were 123 housing units at an average density of 202.4/sq mi (77.9/km²). The racial makeup of the CDP was 34.33% White, 0.20% African American, 0.40% Native American, 1.59% Asian, 61.11% from other races, and 2.38% from two or more races. Hispanic or Latino of any race were 72.62% of the population.
There were 120 households out of which 46.7% had children under the age of 18 living with them, 66.7% were married couples living together, 9.2% had a female householder with no husband present, and 15.8% were non-families. 12.5% of all households were made up of individuals and 5.0% had someone living alone who was 65 years of age or older. The average household size was 4.18 and the average family size was 4.58.
In the CDP the population was spread out with 39.3% under the age of 18, 11.3% from 18 to 24, 26.2% from 25 to 44, 17.7% from 45 to 64, and 5.6% who were 65 years of age or older. The median age was 25 years. For every 100 females there were 119.1 males. For every 100 females age 18 and over, there were 115.5 males.
The median income for a household in the CDP was $33,125, and the median income for a family was $30,694. Males had a median income of $33,750 versus $26,250 for females. The per capita income for the CDP was $9,701. About 24.8% of families and 30.0% of the population were below the poverty line, including 37.1% of those under age 18 and 13.8% of those age 65 or over.
In the state legislature Ducor is located in the 16th Senate District, represented by Democrat Dean Florez, and in the 34th Assembly District, represented by Republican Bill Maze. Federally, Ducor is located in California's 21st congressional district, which has a Cook PVI of R +13 and is represented by Republican Devin Nunes.