Smithville, IL Demographics

Population 350 · Census ACS 2020–24

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

Household size in Smithville

Household size, people per household
PeriodSmithvilleIllinoisU.S.
2006–102.722.692.68
2010–142.492.712.73
2015–192.782.662.71
2020–242.212.582.65
Change−0.51−0.11−0.03
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Households in Smithville are small: just 2.21 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 dropped from 2.72, 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 Smithville

Median age, years
PeriodSmithvilleIllinoisU.S.
2006–1037.537.637.7
2010–1441.238.538.6
2015–1945.239.639.6
2020–2435.140.240.1
Change−2.5+2.6+2.3
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Smithville is young: half of its residents are under 35.1, compared with a national median of 40.1. The population tilts toward young adults, many of them living alone or as couples.

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 Smithville

Single-parent households, % of households
PeriodSmithvilleIllinoisU.S.
2006–108.5%11.7%12.3%
2010–1414.7%11.7%12.3%
2015–198.5%11.1%11.6%
2020–2417.7%11.3%11.6%
Change+9.2 pts−0.4 pts−0.6 pts
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Single-parent households are common in Smithville: 17.7% of all households, against 11.6% nationally.

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 Smithville

Renters in Smithville

Renters, % of occupied homes
PeriodSmithvilleIllinoisU.S.
2006–108.9%30.8%33.3%
2010–146.3%33.1%35.6%
2015–192.9%33.9%36.0%
2020–2450.9%32.9%34.8%
Change+42.0 pts+2.1 pts+1.5 pts
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Renters far outnumber owners in Smithville: 50.9% of households rent their homes, against 34.8% nationally. Just over a third of owners (35.6%) have paid off their mortgages, below 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 Smithville

Vacant homes, % of all homes
PeriodSmithvilleIllinoisU.S.
2006–102.4%10.0%11.4%
2010–142.8%10.1%11.4%
2015–199.4%9.8%11.1%
2020–245.5%8.1%9.6%
Change+3.1 pts−1.9 pts−1.8 pts
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Empty homes are scarce in Smithville: just 5.5% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.

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 Smithville

Age of homes, median year built
PeriodSmithvilleIllinoisU.S.
2006–10197419661974
2010–14197219671975
2015–19197619681977
2020–24197519701980
Change+0+4+6
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Housing in Smithville leans a little older: the median home dates to 1975, against 1980 nationally. Even so, homes here are newer than in Illinois as a whole, where the median home dates to 1970.

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 Smithville

Rent, per month
PeriodSmithvilleIllinoisU.S.
2006–10$549$953$965
2010–14$759$1,028$1,040
2015–19$769$1,165$1,213
2020–24$894$1,428$1,571
Change+$345+$475+$606
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The median renter in Smithville pays $894 a month for rent and utilities, well below the national median of $1,571. Rent takes 50.0% of the typical renter's income, 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 Smithville

Bachelor's degrees in Smithville

Bachelor's degrees, % of adults 25+
PeriodSmithvilleIllinoisU.S.
2006–1017.4%31.2%28.4%
2010–1417.2%32.4%29.6%
2015–1934.5%34.7%32.1%
2020–2437.1%37.7%35.6%
Change+19.7 pts+6.5 pts+7.2 pts
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More than a third of adults 25 and older in Smithville (37.1%) hold at least a bachelor's degree, close to the national share of 35.6%.

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 Smithville

High school graduates, % of adults 25+
PeriodSmithvilleIllinoisU.S.
2006–1094.2%86.3%84.9%
2010–1494.7%87.5%86.1%
2015–1999.0%89.1%87.7%
2020–2496.4%90.3%89.3%
Change+2.3 pts+4.0 pts+4.3 pts
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High school completion is high in Smithville: 96.4% of adults 25 and older have a diploma or equivalent, well 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 Smithville

Unemployment, % of the labor force
PeriodSmithvilleIllinoisU.S.
2006–105.5%8.7%8.1%
2010–143.7%10.2%9.4%
2015–191.9%6.1%5.6%
2020–247.5%6.0%5.4%
Change+2.0 pts−2.7 pts−2.7 pts
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Finding work has been harder in Smithville: 7.5% of the labor force was out of work and looking, well above 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).

Smithville compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Smithville2.2135.117.7%50.9%5.5%1975$89437.1%96.4%7.5%
Hanna City2.0753.76.8%16.7%8.2%1968$92430.2%94.9%2.7%
Mapleton2.6442.612.7%4.9%5.5%1988$85133.3%98.9%2.7%
Glasford2.7740.816.2%11.8%10.7%1971$67220.2%95.6%5.8%
Trivoli2.3943.55.0%16.8%4.8%1971$90632.3%96.2%2.1%
Norwood2.7035.211.5%9.3%2.3%1970$1,05215.1%88.7%4.2%
Oak Hill1.9558.84.1%13.8%8.7%1965$90527.5%94.5%1.9%
Kingston Mines2.2851.29.1%13.8%19.4%1972$65212.2%91.8%4.9%
Bellevue2.1647.88.1%23.1%5.6%1968$81916.4%90.5%3.8%
Bartonville2.3142.010.6%15.7%9.7%1960$1,21722.7%95.6%1.6%
Hollis2.5838.612.0%7.9%10.2%1982$58530.5%98.2%2.0%

All figures 2020–24.

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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 Smithville. 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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