Warren, IL Demographics

Population 1,487 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Warren, IL map of median age by neighborhood
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Population and households in Warren

Household size in Warren

Household size, people per household
PeriodWarrenIllinoisU.S.
2006–102.252.692.68
2010–142.362.712.73
2015–192.172.662.71
2020–242.392.582.65
Change+0.14−0.11−0.03
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Households in Warren are small: just 2.39 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Since 2006–10, household size has climbed from 2.25, but in a place this small, much of that may be survey noise rather than real change.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Warren

Median age, years
PeriodWarrenIllinoisU.S.
2006–1040.637.637.7
2010–1443.238.538.6
2015–1948.639.639.6
2020–2443.240.240.1
Change+2.5+2.6+2.3
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Warren skews older than the country: its median age is 43.2, against 40.1 nationally.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Warren

Single-parent households, % of households
PeriodWarrenIllinoisU.S.
2006–109.0%11.7%12.3%
2010–148.6%11.7%12.3%
2015–199.5%11.1%11.6%
2020–249.3%11.3%11.6%
Change+0.3 pts−0.4 pts−0.6 pts
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Single parents head nearly one in ten households in Warren (9.3%), below the national share of 11.6%.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Warren

Renters in Warren

Renters, % of occupied homes
PeriodWarrenIllinoisU.S.
2006–1014.3%30.8%33.3%
2010–1422.5%33.1%35.6%
2015–1919.2%33.9%36.0%
2020–2416.1%32.9%34.8%
Change+1.8 pts+2.1 pts+1.5 pts
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Only 16.1% of households in Warren rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 48.3% have no mortgage at all, above the national share of 39.8%.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Warren

Vacant homes, % of all homes
PeriodWarrenIllinoisU.S.
2006–108.3%10.0%11.4%
2010–1414.4%10.1%11.4%
2015–1921.4%9.8%11.1%
2020–248.2%8.1%9.6%
Change−0.1 pts−1.9 pts−1.8 pts
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About as many homes sit empty in Warren as nationally: 8.2%, against 9.6%.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Warren

Age of homes, median year built
PeriodWarrenIllinoisU.S.
2006–10194319661974
2010–14194419671975
2015–19193819681977
2020–24194719701980
Change+4+4+6
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The housing in Warren is old by national standards: the median home dates to 1947, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Warren

Rent, per month
PeriodWarrenIllinoisU.S.
2006–10$391$953$965
2010–14$508$1,028$1,040
2015–19$588$1,165$1,213
2020–24$816$1,428$1,571
Change+$425+$475+$606
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A typical rental in Warren costs $816 a month with utilities, well below the national median of $1,571. The typical renter here spends 35.5% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Warren

Bachelor's degrees in Warren

Bachelor's degrees, % of adults 25+
PeriodWarrenIllinoisU.S.
2006–1014.4%31.2%28.4%
2010–1415.6%32.4%29.6%
2015–1913.9%34.7%32.1%
2020–2415.3%37.7%35.6%
Change+0.9 pts+6.5 pts+7.2 pts
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Fewer adults in Warren have a four-year degree than in the country as a whole: 15.3%, against 35.6% nationally.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Warren

High school graduates, % of adults 25+
PeriodWarrenIllinoisU.S.
2006–1087.4%86.3%84.9%
2010–1488.0%87.5%86.1%
2015–1991.5%89.1%87.7%
2020–2486.2%90.3%89.3%
Change−1.2 pts+4.0 pts+4.3 pts
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About one in seven adults in Warren never finished high school, a bit more than nationally: 86.2% have a diploma or equivalent, against 89.3% across the U.S.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Warren

Unemployment, % of the labor force
PeriodWarrenIllinoisU.S.
2006–106.8%8.7%8.1%
2010–148.6%10.2%9.4%
2015–192.5%6.1%5.6%
2020–243.2%6.0%5.4%
Change−3.6 pts−2.7 pts−2.7 pts
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Unemployment in Warren has been low: just 3.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Warren compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Warren2.3943.29.3%16.1%8.2%1947$81615.3%86.2%3.2%
Nora2.1142.03.8%31.9%4.0%1957$1,01830.1%96.6%3.9%
Gratiot2.2347.89.6%17.8%9.5%1966$76420.7%90.6%3.0%
South Wayne2.5542.36.9%19.1%5.3%1959$78315.9%90.2%2.0%
Winslow2.5542.87.3%19.2%5.2%1957$80214.6%89.6%2.5%
Apple River2.3149.511.7%12.5%34.0%1973$84227.8%94.2%2.7%
Waddams Grove2.4145.26.4%16.7%5.5%1974$56022.2%93.9%5.5%
Riverside2.4045.25.9%14.7%8.4%1972$81321.5%91.6%1.8%
Winslow2.4344.45.8%15.3%7.1%1972$55623.3%93.1%3.6%
Stockton2.2042.717.4%21.8%6.3%1962$72115.7%92.1%7.9%
Wiota2.5642.72.9%12.2%7.1%1975$85321.7%92.3%0.9%

All figures 2020–24.

Cities with similar populations: Laona, WI · Swords Creek, VA · Sumner, IL · Sugar Valley, GA · Sturgis, MS · Stetsonville, WI · Roca, NE · Marmet, WV · Maple, OK · Machias, NY

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Warren. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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