Cost of Living in Monmouth, IL
Population 8,794 · Illinois · Data vintage 2023
(100 = US avg)
Monmouth sits on the smaller end of the Illinois city distribution. That scale shapes the housing market, the labor pool, and the services available to residents in ways the data below makes visible. Unemployment has stayed elevated relative to the national figure — 7.2% as of the most recent ACS release — which shows up in household-income and poverty figures as well.
Geographically, Monmouth is about 45 miles south of Davenport, the nearest large metro. Median home values run roughly 46% lower than Davenport's $163,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in Monmouth
The median home value in Monmouth is $88,100 — 71% below the national median of $305,000. Median rent runs $652/month, 50% lower than the national median of $1,314/month. The median household income of $59,690/year is 20% lower than the US median of $74,580. The local unemployment rate is 7.2%, above the national average of 4.8%. Illinois's top state income tax rate is 5.0% and the combined sales tax is 8.7%. Overall, Monmouth has a cost of living index of 37 versus the US average of 100, meaning it is 63% less expensive.
Monmouth has limited residential data
Detailed housing and income data is limited for this location. Here are the nearest cities with full cost of living data:
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
Frequently Asked Questions
What is the cost of living in Monmouth, IL?
Monmouth has a cost index of 37 (100 = national average). It is 63% below the national average.
What is average rent in Monmouth, IL?
The median gross rent in Monmouth is $652 per month based on 2023 Census data.
What is the average home price in Monmouth?
The median home value in Monmouth is $88,100 according to Zillow and Census data.
What is the median income in Monmouth?
The median household income in Monmouth is $59,690 per year (2023 ACS 5-year estimates).
What is the sales tax in Monmouth, IL?
The combined state and local sales tax rate in Monmouth is 8.7%. The Illinois state income tax top rate is 5.0%.
Is Monmouth, IL affordable?
Yes, Monmouth is generally considered affordable, with a cost of living index of 37 — about 63% below the US national average of 100.
Monmouth at a Glance
- Population
- 8,794
- Median Income
- $59,690
- Home Value
- $88,100
- Median Rent
- $652/mo
- Unemployment
- 7.2%
- Sales Tax
- 8.7%
Explore county-level cost of living data
Illinois Rankings
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