San Jose

County:: Mason County
County Seat:: No
Area (mi²):: 0.414
State:: Illinois

San Jose is a village located in Mason County, Illinois. San Jose has a 2025 population of 449. San Jose is currently declining at a rate of -1.32% annually and its population has decreased by -6.07% since the most recent census, which recorded a population of 478 in 2020.

The average household income in San Jose is $72,718 with a poverty rate of 21.03%. The median age in San Jose is 34.1 years: 29.1 years for males, and 43 years for females.

Demographics

The racial composition of San Jose includes 85.6% White, 3.31% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	517	85.6%
Two or more races	67	11.09%
Asian	20	3.31%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

San Jose Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Jose's average per capita income is $37,813. Household income levels show a median of $60,278. The poverty rate stands at 21.03%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$87,500	-
Families	$75,000	$82,374
Households	$60,278	$72,718
Non Families	$41,667	$47,768

$37,813

Average Income

$60,278

Median Household Income

21.03%

Poverty Rate