Green Mountain Flag

Green Mountain

County:
Marshall County
County Seat:
No
Area (mi²):
0.686
State:
Iowa

Green Mountain is a CDP located in Marshall County, Iowa. Green Mountain has a 2026 population of 100. Green Mountain is currently declining at a rate of -1.96% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Green Mountain is $36,696 with a poverty rate of 13.79%. The median age in Green Mountain is 63.6 years: 61 years for males, and 64 years for females. For every 100 females there are 112.2 males.

100
Total Population
146
Density (mi²)
-2 -1.96%
Growth

Green Mountain Population

Green Mountain Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026100-2-1.96%
2025102-1-0.97%

Median Age

Overall: 63.6 years
Female: 64 years
Male: 61 years

Green Mountain Adults

There are 87 adults, (37 of whom are seniors) in Green Mountain.

Sex Ratio

Female: 41 (47.1%)
Male: 46 (52.9%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White87100%
Race
Population ↓
Percentage (of total)
White87100%

Green Mountain Marital Status

Economics and Income Statistics

Green Mountain 's average per capita income is $36,806. Household income levels show a median of $36,696. The poverty rate stands at 13.79%.

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
Families$53,125$69,438
Married Families$53,125-
Households$36,696$51,804
Non Families$31,875$33,539

$36,806

Average Income

$36,696

Median Household Income

13.79%

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)