Marine, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Marine, Illinois had a total population of 1,049, the 687th largest village in Illinois, with a median household income of $76,544, which is 8% lower than the state average. The poverty rate is 4.0%.
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 4.0% — among the lowest in Illinois.
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
- Near full employment with an unemployment rate of just 1.7%.
Marine Quick Facts
How Marine 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 | 1,181 | 1,049 | -11.2% |
| Median household income | $76,304 | $76,544 | +0.3% |
| Median home value | $165,100 | $157,300 | -4.7% |
How Marine 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+)
Marine Rankings in Illinois
Explore Illinois Rankings
Other Cities in Madison County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Granite City | 26,549 | $59,205 | 14.8% | $104,300 |
| Edwardsville | 26,474 | $86,721 | 11.6% | $299,800 |
| Alton | 25,279 | $54,568 | 21.0% | $103,700 |
| Collinsville | 24,031 | $67,612 | 12.0% | $163,600 |
| Godfrey | 17,712 | $94,543 | 6.4% | $192,200 |
| Glen Carbon | 13,977 | $97,168 | 4.9% | $282,000 |
| Troy | 11,647 | $112,434 | 2.0% | $268,000 |
| Wood River | 10,279 | $62,703 | 13.9% | $108,100 |
| Highland | 10,262 | $82,551 | 6.0% | $202,900 |
| Bethalto | 9,239 | $64,775 | 12.3% | $168,900 |
Cities Similar to Marine
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Andalusia | 1,021 | $77,222 | $168,000 | 17.5% | 4.8% |
| Leland | 1,065 | $79,583 | $186,800 | 29.4% | 12.7% |
| Colfax | 1,054 | $70,625 | $136,300 | 23.3% | 14.4% |
| Orangeville | 1,045 | $69,464 | $152,700 | 19.2% | 10.8% |
| Macon | 1,047 | $68,750 | $108,600 | 10.2% | 7.3% |
Population Overview
Marine is a small community located in Illinois, within Madison County. The total population is 1,049. It ranks as the 687th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Marine is 33.8 years. This is 13% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Marine is $76,544. This is 8% lower than the state median of $83,390. It is also 5% lower than the national median of $80,734. The poverty rate stands at 4.0%. This is 66% 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 1.7%. This is 70% lower than the state rate of 5.8%. The median home value is $157,300. Housing costs are 40% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.1x, Marine is one of the most affordable housing markets in the area. 78.3% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Marine is White (non-Hispanic), making up 83.3% of the population. Hispanic or Latino residents account for 9.1%. The Hispanic or Latino population (9.1%) is well below the state average of 18.8%. The Asian population (0.3%) is well below the state average of 5.9%.
Education
16.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 57% 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 96.6%.
Data Sources & Methodology
All demographic data for Marine, 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 Marine, Illinois?
Marine, Illinois has a population of 1,049 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marine, IL?
The median household income in Marine is $76,544, which is 5% lower than the national median of $80,734.
What is the poverty rate in Marine, IL?
The poverty rate in Marine is 4.0%. This means approximately 42 residents live below the federal poverty line.
What is the racial makeup of Marine, Illinois?
Marine's population is 83.3% White, 0.0% Black, 9.1% Hispanic/Latino, and 0.3% Asian.
What is the median home value in Marine, IL?
The median home value in Marine is $157,300. The home-value-to-income ratio is 2.1x.
How educated is Marine, Illinois?
16.4% of adults (25+) in Marine hold a bachelor's degree or higher, and 6.7% hold a graduate or professional degree.