Iron Mountain Lake Flag

Iron Mountain Lake

County Seat:
No
Area (mi²):
1.962
State:
Missouri

Iron Mountain Lake is a city located in St. Francois County, Missouri. Iron Mountain Lake has a 2026 population of 639. Iron Mountain Lake is currently declining at a rate of 0% annually and its population has decreased by -0.31% since the most recent census, which recorded a population of 641 in 2020.

The median household income in Iron Mountain Lake is $30,682 with a poverty rate of 24.71%. The median age in Iron Mountain Lake is 49.2 years: 48.4 years for males, and 49.7 years for females. For every 100 females there are 93.8 males.

639
Total Population
326
Density (mi²)

Iron Mountain Lake Population

Iron Mountain Lake Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202663900%
2025639-1-0.16%
2024640-4-0.62%
202364400%
2022644-1-0.16%
202164540.62%
202064100%
201974820.27%
2018746-5-0.67%
2017751172.32%
2016734172.37%
201571740.56%
2014713-4-0.56%
2013717-9-1.24%
2012726-6-0.82%
2011732-5-0.68%
201074000%

Median Age

Overall: 49.2 years
Female: 49.7 years
Male: 48.4 years

Iron Mountain Lake Adults

There are 631 adults, (98 of whom are seniors) in Iron Mountain Lake.

Sex Ratio

Female: 403 (51.6%)
Male: 378 (48.4%)

Demographics

The racial composition of Iron Mountain Lake includes 96.54% White, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White75496.54%
Two or more races253.2%
Black or African American10.13%
Native American10.13%
Race
Population ↓
Percentage (of total)
Two or more races40.51%
Race
Population ↓
Percentage (of total)
White75496.54%
Two or more races212.69%
Black or African American10.13%
Native American10.13%

Iron Mountain Lake Marital Status

Economics and Income Statistics

Iron Mountain Lake 's average per capita income is $30,804. Household income levels show a median of $30,682. The poverty rate stands at 24.71%.

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
Households$30,682$42,821
Families$29,464$44,875
Married Families$28,750-
Non Families$18,958$31,616

$30,804

Average Income

$30,682

Median Household Income

24.71%

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)