Monroe Center, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Monroe Center, Illinois had a total population of 369, the 1021st largest village in Illinois, with a median household income of $93,056, which is 12% higher than the state average. The poverty rate is 4.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 4.9% — among the lowest in Illinois.
- Housing is very affordable with a home-value-to-income ratio of just 1.8x.
Monroe Center Quick Facts
How Monroe Center Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 415 | 369 | -11.1% |
| Median household income | $91,563 | $93,056 | +1.6% |
| Median home value | $148,000 | $164,700 | +11.3% |
How Monroe Center Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Monroe Center Rankings in Illinois
Explore Illinois Rankings
Other Cities in Ogle County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Rochelle | 9,529 | $66,307 | 7.9% | $164,300 |
| Oregon | 3,851 | $71,841 | 14.8% | $142,600 |
| Byron | 3,743 | $78,852 | 10.5% | $198,700 |
| Davis Junction | 2,757 | $107,833 | 8.6% | $205,500 |
| Mount Morris | 2,726 | $45,726 | 13.8% | $121,800 |
| Polo | 2,495 | $63,080 | 20.5% | $109,600 |
| Hillcrest | 1,824 | $80,568 | 9.6% | $164,200 |
| Forreston | 1,360 | $70,676 | 5.7% | $129,900 |
| Stillman Valley | 1,260 | $87,833 | 8.6% | $175,800 |
| Lost Nation | 714 | $108,964 | 4.3% | $236,300 |
Cities Similar to Monroe Center
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lisbon | 373 | $99,375 | $231,300 | 35.3% | 1.9% |
| Edgington | 390 | $91,964 | $153,800 | 0.0% | 13.6% |
| Ellis Grove | 359 | $82,813 | $78,300 | 6.8% | 5.3% |
| Martinton | 363 | $79,000 | $105,000 | 9.4% | 9.1% |
| Kenney | 349 | $82,813 | $81,500 | 9.9% | 4.9% |
A note before these figures: with a population of 369, Monroe Center's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Monroe Center is a small community located in Illinois, within Ogle County. The total population is 369. It ranks as the 1021st most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Monroe Center is 40.1 years. This is 3% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Monroe Center is $93,056. This is 12% higher than the state median of $83,390. It is also 15% higher than the national median of $80,734. The poverty rate stands at 4.9%. This is 59% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.3%. This is 43% lower than the state rate of 5.8%. The median home value is $164,700. Housing costs are 37% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Monroe Center is one of the most affordable housing markets in the area. 81.3% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 67.1%.
Race & Ethnicity
Monroe Center has a predominantly White (non-Hispanic) population, comprising 93.5% of all residents. Hispanic or Latino residents account for 5.7%. The White (non-Hispanic) population is significantly higher than the state average (93.5% vs 58.1%). The Hispanic or Latino population (5.7%) is well below the state average of 18.8%. The Asian population (0.3%) is well below the state average of 5.9%.
Education
24.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.9%.
Data Sources & Methodology
All demographic data for Monroe Center, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Monroe Center, Illinois?
Monroe Center, Illinois has a population of 369 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Monroe Center, IL?
The median household income in Monroe Center is $93,056, which is 15% higher than the national median of $80,734.
What is the poverty rate in Monroe Center, IL?
The poverty rate in Monroe Center is 4.9%. This means approximately 18 residents live below the federal poverty line.
What is the racial makeup of Monroe Center, Illinois?
Monroe Center's population is 93.5% White, 0.0% Black, 5.7% Hispanic/Latino, and 0.3% Asian.
What is the median home value in Monroe Center, IL?
The median home value in Monroe Center is $164,700. The home-value-to-income ratio is 1.8x.
How educated is Monroe Center, Illinois?
24.5% of adults (25+) in Monroe Center hold a bachelor's degree or higher, and 8.2% hold a graduate or professional degree.