Sumner, IL Demographics

Population 1,690 · Census ACS 2020–24

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

Household size in Sumner

Household size, people per household
PeriodSumnerIllinoisU.S.
2006–102.392.692.68
2010–142.492.712.73
2015–192.262.662.71
2020–242.872.582.65
Change+0.48−0.11−0.03
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Households in Sumner average 2.87 people, above the national 2.65, so families with children are more common here. Household size has climbed from 2.39 in 2006–10, 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 Sumner

Median age, years
PeriodSumnerIllinoisU.S.
2006–1043.037.637.7
2010–1437.338.538.6
2015–1938.039.639.6
2020–2441.240.240.1
Change−1.8+2.6+2.3
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Half of the people in Sumner are younger than 41.2 and half are older, close to the national median of 40.1.

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 Sumner

Single-parent households, % of households
PeriodSumnerIllinoisU.S.
2006–1013.4%11.7%12.3%
2010–1416.6%11.7%12.3%
2015–1913.4%11.1%11.6%
2020–2412.9%11.3%11.6%
Change−0.5 pts−0.4 pts−0.6 pts
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Single parents head about one in eight households in Sumner (12.9%), a bit above 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 Sumner

Renters in Sumner

Renters, % of occupied homes
PeriodSumnerIllinoisU.S.
2006–1025.0%30.8%33.3%
2010–1424.1%33.1%35.6%
2015–1927.3%33.9%36.0%
2020–2415.7%32.9%34.8%
Change−9.2 pts+2.1 pts+1.5 pts
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Only 15.7% of households in Sumner rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Just over half of owners (51.6%) have paid off their mortgages, well 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 Sumner

Vacant homes, % of all homes
PeriodSumnerIllinoisU.S.
2006–105.8%10.0%11.4%
2010–1414.7%10.1%11.4%
2015–1912.4%9.8%11.1%
2020–2416.5%8.1%9.6%
Change+10.6 pts−1.9 pts−1.8 pts
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Vacancy is high in Sumner: 16.5% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

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 Sumner

Age of homes, median year built
PeriodSumnerIllinoisU.S.
2006–10195619661974
2010–14195819671975
2015–19196119681977
2020–24197119701980
Change+16+4+6
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Sumner is a place of older homes: half were built before 1971, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The picture is much the same across Illinois.

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 Sumner

Rent, per month
PeriodSumnerIllinoisU.S.
2006–10$467$953$965
2010–14$530$1,028$1,040
2015–19$556$1,165$1,213
2020–24$907$1,428$1,571
Change+$441+$475+$606
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A typical rental in Sumner costs $907 a month with utilities, well below the national median of $1,571. The typical renter here spends 24.6% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.

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 Sumner

Bachelor's degrees in Sumner

Bachelor's degrees, % of adults 25+
PeriodSumnerIllinoisU.S.
2006–1013.1%31.2%28.4%
2010–146.6%32.4%29.6%
2015–1910.3%34.7%32.1%
2020–2412.4%37.7%35.6%
Change−0.7 pts+6.5 pts+7.2 pts
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Fewer adults in Sumner have a four-year degree than in the country as a whole: 12.4%, 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 Sumner

High school graduates, % of adults 25+
PeriodSumnerIllinoisU.S.
2006–1090.7%86.3%84.9%
2010–1481.4%87.5%86.1%
2015–1981.6%89.1%87.7%
2020–2485.4%90.3%89.3%
Change−5.3 pts+4.0 pts+4.3 pts
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About one in seven adults in Sumner never finished high school, more than nationally: 85.4% 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 Sumner

Unemployment, % of the labor force
PeriodSumnerIllinoisU.S.
2006–106.9%8.7%8.1%
2010–148.6%10.2%9.4%
2015–196.2%6.1%5.6%
2020–2411.0%6.0%5.4%
Change+4.1 pts−2.7 pts−2.7 pts
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Finding work has been harder in Sumner: 11.0% of the labor force was out of work and looking, well above the national rate of 5.4%. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).

Sumner compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Sumner2.8741.212.9%15.7%16.5%1971$90712.4%85.4%11.0%
Claremont2.6837.815.9%16.0%16.5%1969$7279.1%72.8%1.8%
Petrolia2.1851.48.1%18.8%27.0%1969$94522.5%93.4%5.1%
Bridgeport2.5340.512.4%20.3%10.6%1962$77012.8%90.4%7.7%
Birds2.7447.27.1%15.7%10.4%1973$82823.9%84.7%5.5%
Helena2.3750.78.6%3.9%17.6%1981$5709.6%98.3%0.0%
Landes2.2843.212.4%10.0%9.1%1973$64710.0%81.2%0.0%
Lawrenceville2.5641.410.7%36.5%15.0%1958$83018.7%89.2%8.7%
Calhoun2.6037.67.7%8.6%13.9%1978$7779.0%86.8%2.2%
Port Jackson2.2444.311.8%13.4%12.4%1967$7418.0%82.2%2.4%
Pinkstaff2.5843.23.1%20.7%21.4%1963$94513.1%97.6%5.7%

All figures 2020–24.

Cities with similar populations: Machias, NY · Santa Maria, TX · Potlatch, ID · Millwood, GA · Mendon, NY · Afton, WI · Mason, WV · Marydel, DE · Marietta, MS · Marbury, MD

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 Sumner. 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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