Sandoval, IL Demographics

Population 1,330 · Census ACS 2020–24

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

Household size in Sandoval

Household size, people per household
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–102.442.522.692.68
2010–142.462.532.712.73
2015–192.302.492.662.71
2020–242.232.462.582.65
Change−0.21−0.06−0.11−0.03
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Sandoval is a place of small households, averaging 2.23 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has dropped from 2.44 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 Sandoval

Median age, years
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–1041.538.537.637.7
2010–1440.339.538.538.6
2015–1941.540.739.639.6
2020–2444.440.840.240.1
Change+2.9+2.3+2.6+2.3
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Sandoval skews older: half of its residents are older than 44.4, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.

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 Sandoval

Single-parent households, % of households
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–1019.3%11.7%11.7%12.3%
2010–1415.3%11.5%11.7%12.3%
2015–1917.8%11.0%11.1%11.6%
2020–2416.9%11.1%11.3%11.6%
Change−2.5 pts−0.6 pts−0.4 pts−0.6 pts
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Single parents head about one in six households in Sandoval (16.9%), well 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 Sandoval

Renters in Sandoval

Renters, % of occupied homes
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–1026.0%28.3%30.8%33.3%
2010–1421.2%30.1%33.1%35.6%
2015–1926.0%31.1%33.9%36.0%
2020–2423.1%29.6%32.9%34.8%
Change−2.9 pts+1.4 pts+2.1 pts+1.5 pts
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Sandoval is largely a place of homeowners: only 23.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Just over half of owners (51.9%) 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 Sandoval

Vacant homes, % of all homes
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–1010.1%9.6%10.0%11.4%
2010–1413.9%10.1%10.1%11.4%
2015–1910.0%10.1%9.8%11.1%
2020–2419.5%8.8%8.1%9.6%
Change+9.4 pts−0.8 pts−1.9 pts−1.8 pts
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Vacancy is high in Sandoval: 19.5% 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 Sandoval

Age of homes, median year built
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–101970197219661974
2010–141974197219671975
2015–191973197319681977
2020–241975197519701980
Change+5+3+4+6
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Homes in Sandoval run a bit older than the national norm, with a median build year of 1975 against 1980. The St. Louis area as a whole looks much the same.

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 Sandoval

Rent, per month
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–10$443$825$953$965
2010–14$373$920$1,028$1,040
2015–19$605$1,010$1,165$1,213
2020–24$709$1,239$1,428$1,571
Change+$266+$414+$475+$606
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The median renter in Sandoval pays $709 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 26.1% 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 Sandoval

Bachelor's degrees in Sandoval

Bachelor's degrees, % of adults 25+
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–106.2%30.3%31.2%28.4%
2010–1414.5%32.1%32.4%29.6%
2015–1910.2%34.9%34.7%32.1%
2020–2410.8%38.5%37.7%35.6%
Change+4.6 pts+8.3 pts+6.5 pts+7.2 pts
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College degrees are relatively uncommon in Sandoval: 10.8% of adults 25 and older hold a bachelor's or higher, well below 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 Sandoval

High school graduates, % of adults 25+
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–1081.2%88.8%86.3%84.9%
2010–1479.2%90.5%87.5%86.1%
2015–1986.1%92.1%89.1%87.7%
2020–2485.3%93.6%90.3%89.3%
Change+4.1 pts+4.8 pts+4.0 pts+4.3 pts
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About one in seven adults in Sandoval never finished high school, more than nationally: 85.3% 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 Sandoval

Unemployment, % of the labor force
PeriodSandovalSt. Louis areaIllinoisU.S.
2006–1015.6%7.7%8.7%8.1%
2010–1414.1%8.8%10.2%9.4%
2015–1910.7%4.9%6.1%5.6%
2020–245.0%4.3%6.0%5.4%
Change−10.6 pts−3.4 pts−2.7 pts−2.7 pts
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At 5.0%, unemployment in Sandoval is close to the national rate of 5.4%. The rate is higher than in the wider St. Louis area (4.3%). 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).

Sandoval compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Sandoval2.2344.416.9%23.1%19.5%1975$70910.8%85.3%5.0%
Junction City2.5341.425.3%18.6%9.3%1978$9218.3%75.8%8.8%
Odin2.3246.714.3%23.9%11.4%1977$97710.4%93.9%2.8%
Central City2.0735.415.1%30.4%14.8%1975$7868.1%90.1%12.9%
Ferrin2.0950.58.0%12.2%8.0%1977$97417.1%96.4%1.3%
Centralia2.3439.813.1%30.9%12.9%1966$83317.1%86.2%9.2%
Shattuc2.1050.47.9%12.1%7.8%1977$97316.8%96.2%1.4%
Wamac2.2450.012.8%29.6%10.0%1974$80011.8%88.4%12.1%
Selmaville2.7242.47.4%20.6%8.1%1985$1,10024.8%92.9%4.3%
Tonti2.5740.86.8%3.6%18.1%1990$64030.2%92.0%0.1%
Hubbard Woods2.6843.63.9%14.5%17.2%1986$80425.6%95.1%2.0%

All figures 2020–24.

Cities with similar populations: El Nido, CA · St. Inigoes, MD · Theriot, LA · Tionesta, PA · Highgate Center, VT · Trevorton, PA · Hardy, AR · Uneedus, LA · Jefferson, PA · Jonesburg, MO

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 Sandoval. 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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