San Jose Flag

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.

449
Total Population
1,085
Density (mi²)
-6 -1.32%
Growth

San Jose Population

San Jose Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of San Jose includes 85.6% White, 3.31% Asian, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White51785.6%
Two or more races6711.09%
Asian203.31%

San Jose Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)