Village · Illinois
Marine, Illinois
Marine, village, in Madison County, Illinois. Marine had 968 residents on July 1, 2025 by the Census Bureau's estimate, up 6.4% since 2020; the 2020 Census counted 912 and the ACS 2020-2024 5-year estimates put it at 1,049 (±233). GEOID 1746864.
Residents, July 2025 estimate
968
Census Bureau estimate (no margin published)
2020 Census count: 912 · ACS 2020-2024: 1,049 ±233
Median household income
$76,544
±$10,636 (90% margin)
Illinois: $83,390
Median home value
$157,300
±$13,426 (90% margin)
Illinois: $263,300
Median gross rent
$944
±$199 (90% margin)
Illinois: $1,274
Where is Marine and what county is it in?
Marine is a village in Madison County, Illinois. It covers 0.7 square miles of land, 1,294 residents per square mile in 2020.
Marine is in the St. Louis, MO-IL metropolitan statistical area, which takes in 15 counties (Census Bureau delineation, July 2023).
Marine lies entirely within Marine Township, a township with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Marine, and is it growing?
The Census Bureau estimates that 968 people lived in Marine on July 1, 2025, up 6.4% since 2020, while Illinois shrank 0.8%. The 2020 Census counted 912 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,049 (±233).
| Measure | Marine | Madison County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,049 ±233 | 264,238 | no clear change |
| Households | 397 ±89 | 110,134 | no clear change |
| Average household size | 2.64 ±0.29 | 2.35 | no clear change |
| Housing units | 413 ±90 | 119,168 | no clear change |
Marine's population since 2000
From 910 in 2000 to 968 in 2025: up 6.4%. The 2000, 2010 and 2020 figures are census counts, each for Marine as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Marine?
The median resident of Marine is 33.8 years old; 26.3% are under 18 and 16.8% are 65 or older. The largest group is non-Hispanic white residents at 83.3%, then Hispanic or Latino residents (of any race) at 9.1%.
| Measure | Marine | Madison County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 33.8 ±8.1 | 40.2 | no clear change |
| Under 18 years | 26.3% ±5.8 pts | 21.3% | – |
| 65 years and over | 16.8% ±5.9 pts | 18.5% | – |
| Male | 50.1% ±5.1 pts | 48.9% | – |
| Hispanic or Latino (any race) | 9.1% ±6.9 pts | 4.3% | – |
| White alone, not Hispanic | 83.3% ±9.1 pts | 81.8% | −13.4 pts |
| Black or African American alone, not Hispanic | 0.0% ±3.5 pts | 7.7% | – |
| Asian alone, not Hispanic | 0.3% ±0.5 pts | 0.8% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±3.5 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±3.5 pts | 0.0% | – |
| Two or more races, not Hispanic | 6.4% ±6.6 pts | 5.0% | – |
| Some other race alone, not Hispanic | 1.0% ±1.6 pts | 0.2% | – |
| Born outside the United States | 0.2% ±0.3 pts | 2.2% | – |
| Speak a language other than English at home (age 5+) | 1.2% ±1.6 pts | 3.6% | – |
| Civilian veterans (age 18+) | 5.4% ±3.4 pts | 8.2% | – |
| With a disability | 16.2% ±5.3 pts | 15.8% | – |
| No health insurance coverage | 2.0% ±1.8 pts | 4.7% | – |
| High school graduate or higher (age 25+) | 96.6% ±2.7 pts | 93.9% | – |
| Bachelor's degree or higher (age 25+) | 16.4% ±5.9 pts | 31.0% | no clear change |
| Graduate or professional degree (age 25+) | 6.7% ±3.5 pts | 11.2% | – |
| Lived in the same house a year earlier | 95.8% ±2.5 pts | 88.5% | – |
| Moved from another state in the past year | 0.3% ±0.6 pts | 2.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Marine earn?
Half of Marine's 397 households earn less than $76,544 a year (±$10,636), against $75,793 in Madison County and $83,390 in Illinois. In 2015-2019 it was $80,231 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.0% of residents live below the poverty line.
| Measure | Marine | Madison County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $76,544 ±$10,636 | $75,793 | no clear change |
| Mean household income | $89,286 ±$7,858 | $98,419 | – |
| Per capita income | $33,218 ±$3,918 | $41,560 | no clear change |
| People below the poverty line | 4.0% ±2.5 pts | 11.1% | −7.9 pts |
| Children under 18 below the poverty line | 1.8% ±2.0 pts | 13.2% | – |
| Households receiving SNAP | 15.4% ±10.8 pts | 13.7% | – |
| Households with a computer | 98.2% ±1.7 pts | 94.9% | – |
| Households with a broadband subscription | 94.2% ±6.6 pts | 91.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Marine?
Owners occupy 78.3% of Marine's occupied homes and renters 21.7%. The median owner-occupied home is valued at $157,300 by its owner (±$13,426). The median renter pays $944 a month including utilities.
| Measure | Marine | Madison County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $157,300 ±$13,426 | $173,000 | no clear change |
| Median gross rent | $944 ±$199 | $1,024 | no clear change |
| Renters paying 35% or more of income on rent | 10.5% ±9.3 pts | 37.8% | – |
| Median monthly owner costs, with a mortgage | $1,558 ±$86 | $1,511 | – |
| Owner-occupied homes | 78.3% ±7.2 pts | 74.2% | no clear change |
| Renter-occupied homes | 21.7% ±7.2 pts | 25.8% | – |
| Housing units | 413 ±90 | 119,168 | no clear change |
| Homeowner vacancy rate | 0.0% ±11.0 pts | 1.0% | – |
| Rental vacancy rate | 0.0% ±33.7 pts | 4.1% | – |
| Single-family detached homes | 78.0% ±7.7 pts | 78.9% | – |
| Mobile homes | 5.6% ±6.1 pts | 2.2% | – |
| Built 2020 or later | 0.0% ±8.7 pts | 0.9% | – |
| Built 2010 to 2019 | 2.7% ±2.7 pts | 6.0% | – |
| Built 1939 or earlier | 19.6% ±8.3 pts | 14.6% | – |
| Households with no vehicle | 0.0% ±9.0 pts | 5.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Marine building?
Builders took permits for 0 new housing units in Marine in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 1.5 across Illinois.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Marine work and get to work?
84.1% of Marine's workers drive alone. The average trip to work takes 21.4 minutes.
| Measure | Marine | Madison County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.8% ±6.8 pts | 62.7% | – |
| Unemployment rate | 1.7% ±2.3 pts | 4.6% | – |
| Drove alone to work | 84.1% ±7.2 pts | 78.1% | – |
| Carpooled | 3.0% ±2.5 pts | 6.6% | – |
| Public transportation | 0.0% ±7.2 pts | 0.6% | – |
| Walked | 2.4% ±2.1 pts | 1.1% | – |
| Worked from home | 10.6% ±7.4 pts | 12.7% | – |
| Mean travel time to work | 21.4 min ±2.4 | 24.9 min | −4.6 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Marine?
No census tract lies mostly in Marine; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 4037.01Madison County | 6,670 | $135,774 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Marine) · Census block assignment files
How does Marine compare with other places in Illinois?
By the Census Bureau's July 2025 estimates, Marine is the 10,410th-most populous of the 19,476 U.S. incorporated places that have one and the 662nd-most populous of 1,294 in Illinois.
Marine is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 662nd | 1,294 |
Marine's figures with every place in Illinois (CSV)
Every place in Illinois, sortable · Compare Marine with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Marine?
25 of the 57 figures for Marine on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Marine are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Marine.