Mazon, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Mazon, Illinois had a total population of 1,401, the 603rd largest village in Illinois, with a median household income of $73,750, which is 12% lower than the state average. The poverty rate is 9.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Mazon Quick Facts
How Mazon 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 | 1,424 | 1,401 | -1.6% |
| Median household income | $76,458 | $73,750 | -3.5% |
| Median home value | $203,100 | $207,700 | +2.3% |
How Mazon 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+)
Mazon Rankings in Illinois
Explore Illinois Rankings
Other Cities in Grundy County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Morris | 14,898 | $76,711 | 7.7% | $247,400 |
| Dwight | 3,872 | $71,184 | 11.8% | $155,600 |
| Gardner | 1,410 | $88,092 | 16.1% | $199,600 |
| South Wilmington | 600 | $86,750 | 5.7% | $174,400 |
| Carbon Hill | 441 | $103,125 | 5.9% | $238,600 |
| Verona | 272 | $45,313 | 18.0% | $118,800 |
| Kinsman | 84 | $53,750 | 11.9% | $103,100 |
| East Brooklyn | 50 | $83,750 | 16.0% | $232,100 |
Cities Similar to Mazon
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Neoga | 1,421 | $73,355 | $123,100 | 25.5% | 11.8% |
| Warren | 1,396 | $75,813 | $102,200 | 12.9% | 9.9% |
| Long Creek | 1,392 | $78,519 | $167,500 | 17.1% | 6.7% |
| Onarga | 1,430 | $78,352 | $99,300 | 8.9% | 8.6% |
| Forreston | 1,360 | $70,676 | $129,900 | 20.6% | 5.7% |
Population Overview
Mazon is a small community located in Illinois, within Grundy County. The total population is 1,401. It ranks as the 603rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Mazon is 35.1 years. This is 10% lower than the state median of 39.0 years. With 28.2% of the population under 18, Mazon has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Mazon is $73,750. This is 12% lower than the state median of $83,390. It is also 9% lower than the national median of $80,734. The poverty rate stands at 9.6%. This is 19% lower than the state poverty rate of 11.8%. The unemployment rate is 2.5%. This is 57% lower than the state rate of 5.8%. The median home value is $207,700. Housing costs are 21% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.8x, Mazon is one of the most affordable housing markets in the area. 80.9% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 67.1%.
Race & Ethnicity
Mazon has a predominantly White (non-Hispanic) population, comprising 93.7% of all residents. Hispanic or Latino residents account for 5.0%. The White (non-Hispanic) population is significantly higher than the state average (93.7% vs 58.1%). The Hispanic or Latino population (5.0%) is well below the state average of 18.8%.
Education
20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 47% 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 90.1%.
Data Sources & Methodology
All demographic data for Mazon, 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.
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Frequently Asked Questions
What is the population of Mazon, Illinois?
Mazon, Illinois has a population of 1,401 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mazon, IL?
The median household income in Mazon is $73,750, which is 9% lower than the national median of $80,734.
What is the poverty rate in Mazon, IL?
The poverty rate in Mazon is 9.6%. This means approximately 133 residents live below the federal poverty line.
What is the racial makeup of Mazon, Illinois?
Mazon's population is 93.7% White, 0.0% Black, 5.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Mazon, IL?
The median home value in Mazon is $207,700. The home-value-to-income ratio is 2.8x.
How educated is Mazon, Illinois?
20.1% of adults (25+) in Mazon hold a bachelor's degree or higher, and 11.1% hold a graduate or professional degree.