Monmouth, IA Profile: Facts, Map & Data


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Monmouth, Iowa - Basic Facts

The City of Monmouth had a population of 152 as of July 1, 2017. Monmouth ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Monmouth is located at latitude 42.0751 and longitude -90.8822 in Jackson County. The formal boundaries for the City of Monmouth (see map below) encompass a land area of 0.56 sq. miles and a water area of 0 sq. miles. Jackson County is in the Central time zone (GMT -6). The elevation is 748 feet.

The City of Monmouth (GNIS ID: 2395372) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Monmouth is located within Township of Monmouth, a minor civil division (MCD) of Jackson County.

Beneath the boundary map are tables with Monmouth population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Monmouth, IA Boundary Map

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Boundary Maps: Township of Monmouth | Jackson County | Iowa Counties

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Monmouth, IA Data & Demographics (As of July 1, 2017)


Total Population 152
Daytime Population: Workers 21
Daytime Population: Residents 92
Total Daytime Population (TDP) 113
Ratio TDP/Total Population1 0.74
Population in Households 152
Population in Familes 124
Population in Group Qrtrs 0
Population Density2 270
Diversity Index3 9


Median Household Income $49,192
Average Household Income $61,655
Per Capita Income $26,679


Total Housing Units 69 (100%)
Owner Occupied HU 48 (69.6%)
Renter Occupied HU 15 (21.7%)
Vacant Housing Units 6 ( 8.7%)
Median Home Value $96,667
Average Home Value $139,000


Total Households 63
Average Household Size 2.41
Family Households 42
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.09% -0.13%
Households 0.0% 0.0%
Families 0.33% 0.0%
Median Household Income   2.71%
Per Capita Income   2.67%

Monmouth, IA - Peer Comparisons by Rank and Percentile

The table below compares Monmouth to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 776 23rd
Population Density # 810 20th
Diversity Index # 554 45th
Median Household Income # 712 30th
Per Capita Income # 573 43rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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