Mountain township Flag

Mountain township

County:
Saline County
County Seat:
No
Area (mi²):
42.002
State:
Illinois

Mountain township is located in Saline County, Illinois. Mountain township has a 2026 population of 344. Mountain township is currently declining at a rate of -0.86% annually and its population has decreased by -6.01% since the most recent census, which recorded a population of 366 in 2020.

The median household income in Mountain township is $112,841 with a poverty rate of 0%. The median age in Mountain township is 54.8 years: 69.3 years for males, and 50.6 years for females. For every 100 females there are 104.7 males.

344
Total Population
8.2
Density (mi²)
-3 -0.86%
Growth

Mountain township Population

Mountain township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026344-3-0.86%
2025347-3-0.86%
2024350-3-0.85%
2023353-2-0.56%
2022355-5-1.39%
2021360-6-1.64%
2020366-1-0.27%
2019334-5-1.47%
2018339-4-1.17%
2017343-3-0.87%
2016346-4-1.14%
201535000%
2014350-7-1.96%
2013357-1-0.28%
2012358-1-0.28%
201135900%
201035900%

Median Age

Overall: 54.8 years
Female: 50.6 years
Male: 69.3 years

Mountain township Adults

There are 250 adults, (118 of whom are seniors) in Mountain township.

Sex Ratio

Female: 128 (48.9%)
Male: 134 (51.1%)

Demographics

The racial composition of Mountain township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White262100%
Race
Population ↓
Percentage (of total)
White262100%

Mountain township Marital Status

Economics and Income Statistics

Mountain township 's average per capita income is $0. Household income levels show a median of $112,841. The poverty rate stands at 0%.

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
Non Families$250,001$250,672
Households$112,841$147,425
Families$60,893$86,768
Married Families$60,625-

$0

Average Income

$112,841

Median Household Income

0%

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)