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. For every 100 females there are 89.8 males.

129
Total Population
227
Density (mi²)

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 and multiracial populations.

Population by Race

White (97.32%)

Asian (2.68%)

Race
Population
Percentage (of total)
White10997.32%
Asian32.68%

Monmouth Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)