St. Jacob Flag

St. Jacob

County:
Madison County
County Seat:
No
Area (mi²):
0.847
State:
Illinois

St. Jacob is a village located in Madison County, Illinois. St. Jacob has a 2026 population of 1,364. St. Jacob is currently declining at a rate of -0.15% annually and its population has decreased by -0.8% since the most recent census, which recorded a population of 1,375 in 2020.

The median household income in St. Jacob is $112,188 with a poverty rate of 3.02%. The median age in St. Jacob is 33.9 years: 34 years for males, and 33.8 years for females. For every 100 females there are 89.5 males.

1.4K
Total Population
1,611
Density (mi²)
-2 -0.15%
Growth

St. Jacob Population

St. Jacob Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,364-2-0.15%
20251,366-2-0.15%
20241,368-4-0.29%
20231,372-1-0.07%
20221,37380.59%
20211,365-10-0.73%
20201,37510.07%
20191,323272.08%
20181,296302.37%
20171,266110.88%
20161,255463.8%
20151,209242.03%
20141,185100.85%
20131,17590.77%
20121,166161.39%
20111,150524.74%
20101,14140.35%

Median Age

Overall: 33.9 years
Female: 33.8 years
Male: 34 years

St. Jacob Adults

There are 1,109 adults, (98 of whom are seniors) in St. Jacob.

Sex Ratio

Female: 928 (52.8%)
Male: 831 (47.2%)

Demographics

The racial composition of St. Jacob includes 92.72% White, 3.24% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,63192.72%
Two or more races714.04%
Other race573.24%
Race
Population ↓
Percentage (of total)
White90.51%
Two or more races80.45%
Other race20.11%
Race
Population ↓
Percentage (of total)
White1,62292.21%
Two or more races633.58%
Other race553.13%

St. Jacob Marital Status

Economics and Income Statistics

St. Jacob 's average per capita income is $62,000. Household income levels show a median of $112,188. The poverty rate stands at 3.02%.

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$120,867-
Families$120,300$126,138
Households$112,188$116,864
Non Families$41,250$63,132

$62,000

Average Income

$112,188

Median Household Income

3.02%

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)