Tennessee, IL Demographics

Population 586 · Census ACS 2020–24

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

Household size in Tennessee

Household size, people per household
PeriodTennesseeIllinoisU.S.
2006–102.262.692.68
2010–142.242.712.73
2015–191.942.662.71
2020–242.582.582.65
Change+0.32−0.11−0.03
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At 2.58 people per household, Tennessee sits close to the national average of 2.65. Household size has climbed from 2.26 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

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 Tennessee

Median age, years
PeriodTennesseeIllinoisU.S.
2006–1042.137.637.7
2010–1445.338.538.6
2015–1949.439.639.6
2020–2440.940.240.1
Change−1.2+2.6+2.3
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At 40.9, the median age in Tennessee is close to the national median of 40.1, so its age mix looks much like the country's.

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 Tennessee

Single-parent households, % of households
PeriodTennesseeIllinoisU.S.
2006–1010.4%11.7%12.3%
2010–1410.8%11.7%12.3%
2015–192.4%11.1%11.6%
2020–246.8%11.3%11.6%
Change−3.6 pts−0.4 pts−0.6 pts
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Single parents head only 6.8% of households in Tennessee, well 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 Tennessee

Renters in Tennessee

Renters, % of occupied homes
PeriodTennesseeIllinoisU.S.
2006–1015.4%30.8%33.3%
2010–1425.2%33.1%35.6%
2015–1913.9%33.9%36.0%
2020–2421.8%32.9%34.8%
Change+6.4 pts+2.1 pts+1.5 pts
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Tennessee is largely a place of homeowners: only 21.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 43.2% 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 Tennessee

Vacant homes, % of all homes
PeriodTennesseeIllinoisU.S.
2006–1011.8%10.0%11.4%
2010–1416.9%10.1%11.4%
2015–1911.4%9.8%11.1%
2020–2412.4%8.1%9.6%
Change+0.6 pts−1.9 pts−1.8 pts
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More homes sit empty in Tennessee than nationally: 12.4%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.

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 Tennessee

Age of homes, median year built
PeriodTennesseeIllinoisU.S.
2006–10195419661974
2010–14195819671975
2015–19196719681977
2020–24198419701980
Change+30+4+6
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The housing in Tennessee is a little younger than the country's: half of it was built after 1984, against 1980 nationally.

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 Tennessee

Rent, per month
PeriodTennesseeIllinoisU.S.
2006–10$565$953$965
2010–14$537$1,028$1,040
2015–19$462$1,165$1,213
2020–24$769$1,428$1,571
Change+$204+$475+$606
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The median renter in Tennessee pays $769 a month for rent and utilities, well below the national median of $1,571. Rent takes 30.4% of the typical renter's income, just over the 30% mark often used to define affordable rent.

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 Tennessee

Bachelor's degrees in Tennessee

Bachelor's degrees, % of adults 25+
PeriodTennesseeIllinoisU.S.
2006–1020.2%31.2%28.4%
2010–1418.6%32.4%29.6%
2015–1919.5%34.7%32.1%
2020–2424.2%37.7%35.6%
Change+4.1 pts+6.5 pts+7.2 pts
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Fewer adults in Tennessee have a four-year degree than in the country as a whole: 24.2%, 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 Tennessee

High school graduates, % of adults 25+
PeriodTennesseeIllinoisU.S.
2006–1084.1%86.3%84.9%
2010–1488.5%87.5%86.1%
2015–1995.1%89.1%87.7%
2020–2492.7%90.3%89.3%
Change+8.5 pts+4.0 pts+4.3 pts
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About nine in ten adults in Tennessee have finished high school (92.7%), above the national rate of 89.3%.

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 Tennessee

Unemployment, % of the labor force
PeriodTennesseeIllinoisU.S.
2006–108.3%8.7%8.1%
2010–1410.3%10.2%9.4%
2015–193.0%6.1%5.6%
2020–246.2%6.0%5.4%
Change−2.1 pts−2.7 pts−2.7 pts
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Jobs have been a little harder to find in Tennessee than nationally: unemployment was 6.2%, against 5.4%. That is in line with the rest of Illinois. 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).

Tennessee compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Tennessee2.5840.96.8%21.8%12.4%1984$76924.2%92.7%6.2%
Colchester2.3141.29.6%17.9%11.1%1972$67728.9%93.7%4.1%
Colmar2.5934.56.8%19.3%11.5%1990$54026.8%92.8%5.3%
Fandon2.1727.06.1%23.3%5.3%1988$11731.8%90.5%0.2%
Fountain Green2.6550.412.0%9.9%12.8%1956$65619.7%88.5%3.0%
Macomb1.9935.47.6%46.8%17.7%1966$74936.1%95.4%9.3%
Blandinsville2.3639.55.2%15.1%13.2%1949$97724.1%95.5%2.4%
Plymouth2.3842.86.9%14.1%8.1%1970$61921.0%87.8%6.1%
Webster2.8840.28.2%3.0%8.1%1972$63121.8%87.2%2.6%
Sciota2.6336.14.6%14.2%8.3%1969$81042.9%94.8%0.3%
La Harpe2.2146.710.7%19.3%7.5%1963$76024.8%90.6%1.4%

All figures 2020–24.

Cities with similar populations: Williamson, PA · Warren, TN · Wasco, OR · Waukeenah, FL · Wawpecong, IN · Weatherby, MO · Weaver, TX · Wegdahl, MN · West Sonora, OH · Weston, VT

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 Tennessee. 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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