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 2026 population of 461. San Jose is currently declining at a rate of -0.86% annually and its population has decreased by -4.95% since the most recent census, which recorded a population of 485 in 2020.

The median household income in San Jose is $55,809 with a poverty rate of 30.7%. The median age in San Jose is 34 years: 29.6 years for males, and 34.8 years for females. For every 100 females there are 88.2 males.

461
Total Population
1,114
Density (mi²)
-4 -0.86%
Growth

San Jose Population

San Jose Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026461-4-0.86%
2025465-4-0.85%
202446900%
2023469-3-0.64%
2022472-7-1.46%
2021479-6-1.24%
2020485-2-0.41%
2019597-5-0.83%
2018602-5-0.82%
2017607-1-0.16%
2016608-10-1.62%
2015618-6-0.96%
2014624-2-0.32%
2013626-4-0.63%
2012630-6-0.94%
2011636-6-0.93%
2010641-1-0.16%

Median Age

Overall: 34 years
Female: 34.8 years
Male: 29.6 years

San Jose Adults

There are 404 adults, (57 of whom are seniors) in San Jose.

Sex Ratio

Female: 296 (53.1%)
Male: 261 (46.9%)

Demographics

The racial composition of San Jose includes 72.71% White, 4.85% Native American, 3.23% Asian, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White40572.71%
Two or more races10719.21%
Native American274.85%
Asian183.23%
Race
Population ↓
Percentage (of total)
Native American274.85%
Race
Population ↓
Percentage (of total)
White40572.71%
Two or more races10719.21%
Asian183.23%

San Jose Marital Status

Economics and Income Statistics

San Jose 's average per capita income is $33,083. Household income levels show a median of $55,809. The poverty rate stands at 30.7%.

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$103,125-
Families$60,000$84,181
Households$55,809$74,554
Non Families$43,750$57,401

$33,083

Average Income

$55,809

Median Household Income

30.7%

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)