Monmouth Flag

Monmouth

County:
Jackson County
County Seat:
No
Area (mi²):
0.569
State:
Iowa

Monmouth is a city located in Jackson County, Iowa. Monmouth has a 2025 population of 129. Monmouth is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 129 in 2020.

The average household income in Monmouth is $69,283 with a poverty rate of 26.79%. The median age in Monmouth is 59 years: 56.6 years for males, and 60.5 years for females.

129
Total Population
227
Density (mi²)
0 0%
Growth

Monmouth Population

Monmouth Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Monmouth includes 97.32% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race
Population
Percentage (of total)
White10997.32%
Asian32.68%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

Monmouth Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Monmouth's average per capita income is $41,000. Household income levels show a median of $46,389. The poverty rate stands at 26.79%.

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
Married Families$63,750-
Households$46,389$69,283
Non Families$37,500$42,890
Families$34,722$69,821

$41,000

Average Income

$46,389

Median Household Income

26.79%

Poverty Rate

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)