As of the census of 2000, there were 123,109 people in the county, organized into 36,155 households, and 28,598 families.
The population density was 58 people per square mile (22/km²).
There were 40,387 housing units at an average density of 19 per square mile (7/km²).
The racial makeup of the county was 62.2% White, 4.1% Black or African American, 2.6% Native American, 1.3% Asian, 0.2% Pacific Islander, 24.4% from other races, and 5.2% from two or more races.
44.3% of the population were Hispanic or Latino of any race.
8.0% were of German, 5.9% English, 5.4% American and 5.3% Irish ancestry according to Census 2000.
63.6% spoke English and 33.7% Spanish as their first language.

There were 36,155 households, out of which 40.2% had children under the age of 18 living with them, 60.9% were married couples living together, 12.2% had a female householder with no husband present, and 20.9% were non-families.
16.5% 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 3.18 and the average family size was 3.52.

In the county, the population was spread out, with 29.6% under the age of 18, 9.9% from 18 to 24, 29.1% from 25 to 44, 20.4% from 45 to 64, and 11.0% who were 65 years of age or older.
The median age was 33 years.
For every 100 females there were 91.8 males.
For every 100 females age 18 and over, there were 86.0 males.

The median income for a household in the county was $36,286, and the median income for a family was $39,226.
Males had a median income of $33,658 versus $24,415 for females.
The per capita income for the county was $14,682.
21.4% of the population and 15.9% of families were below the poverty line.
Out of the total population, 28.6% of those under the age of 18 and 9.0% of those 65 and older were living below the poverty line.
As of the census of 2000, there were 123,109 people in the county, organized into 36,155 households, and 28,598 families. The population density was 58 people per square mile (22/km²). There were 40,387 housing units at an average density of 19 per square mile (7/km²). The racial makeup of the county was 62.2% White, 4.1% Black or African American, 2.6% Native American, 1.3% Asian, 0.2% Pacific Islander, 24.4% from other races, and 5.2% from two or more races. 44.3% of the population were Hispanic or Latino of any race. 8.0% were of German, 5.9% English, 5.4% American and 5.3% Irish ancestry according to Census 2000. 63.6% spoke English and 33.7% Spanish as their first language.
There were 36,155 households, out of which 40.2% had children under the age of 18 living with them, 60.9% were married couples living together, 12.2% had a female householder with no husband present, and 20.9% were non-families. 16.5% 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 3.18 and the average family size was 3.52.
In the county, the population was spread out, with 29.6% under the age of 18, 9.9% from 18 to 24, 29.1% from 25 to 44, 20.4% from 45 to 64, and 11.0% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 91.8 males. For every 100 females age 18 and over, there were 86.0 males.
The median income for a household in the county was $36,286, and the median income for a family was $39,226. Males had a median income of $33,658 versus $24,415 for females. The per capita income for the county was $14,682. 21.4% of the population and 15.9% of families were below the poverty line. Out of the total population, 28.6% of those under the age of 18 and 9.0% of those 65 and older were living below the poverty line.
Madera County, California