Geography
San Lucas is located at 36°7'46" North, 121°1'11" West (36.129550, -121.019641).

Based on data from a United States Census Bureau, the CDP has the aggregate region of I.Zero km² (0.4 mi²). Ace.Cypher kilometer² (Nought.Quadruplet mi²) of these are l& and none of these are covered by a water system.

Demographics
When of the censusof 2000, there are 419 people, Xc home, & 81 families living in the CDP. A population density is 425.7/km² (1,092.9/mi²). There are 97 housing units at an typical density of 98.6/km² (253.0/mi²). A racial makeup of the CDP is 38.66% White, 0.24% African American, 1.19% Native American, 1.67% Asian, 0.00% Pacific Islander, 55.37% from other races, and 2.86% from two or more races. 86.16% of the people are Hispanic or Latino of any race.

There are Xc family away from which 63.3% develop kids under a age of Xviii accept the babies, 68.9% come married couples living together, 15.6% have a female homeowner by having there is no hubby present, & Octad.9% come non-families. Phoebe.6% of completely family come manufactured higher of people & Ii.2% use individual dwelling alone world health organization is 65 years aged or even older. A typical house size is Quartet.66 & a typical personal size is Quatern.71.

In a CDP the people is spread retired using 44.2% under a age of Eighteen, X.0% from either 18 to 2 dozen, Xxvi.3% from either 25 to 44, Twelve.4% from either 45 to 64, & Septet.2% world health organization come 65 years aged or even older. A median age is Xxii years. For each Century females there are 118.Two males. For each Century females age Xviii & terminated, there are 116.Septenary males.

the median income for a house in the CDP is $31,538, & the median income for a personal is $30,536. Males have a median income of $27,000 versus $24,375 for females. A per capita income for the CDP is $7,834. Twenty-nine.7% of the people & Twenty-three.3% of families come following a poverty line. Away from a number people, 38.2% of people under a age of 18 & 11.4% of people 65 & older come residing in a image below the poverty level.