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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Monmouth, IL
Real Estate & Demographic Data





Monmouth profile


Living in Monmouth


Monmouth is a somewhat small city located in the state of Illinois. With a population of 8,639 people and two associated neighborhoods, Monmouth is the 242nd largest community in Illinois.

Telecommuters are a relatively large percentage of the workforce: 7.51% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

In addition, Monmouth is a college town. There are a lot of students in Monmouth attending college, and as a result Monmouth provides a number of services, amenities and opportunities geared to the needs and activities of students.

Compared to the rest of the country, citizens of Monmouth spend much less time in their cars: on average, their commute to work is only 15.87 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

In terms of college education, Monmouth is nearly on par with the US average for all cities of 21.84%: 18.28% of adults 25 and older in Monmouth have a bachelor's degree or advanced degree.

The per capita income in Monmouth in 2022 was $29,501, which is lower middle income relative to Illinois and the nation. This equates to an annual income of $118,004 for a family of four. However, Monmouth contains both very wealthy and poor people as well.

Monmouth is a very ethnically-diverse city. The people who call Monmouth home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Monmouth residents report their race to be White, followed by Black or African-American. Monmouth also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 18.05% of the city’s residents. Important ancestries of people in Monmouth include German, Irish, English, Italian, and Scottish.

The most common language spoken in Monmouth is English. Other important languages spoken here include Spanish and French.

Real Estate in Popular Monmouth Neighborhoods

Zip Codes in Monmouth, IL