Zenith, IL Demographics

Population 655 · Census ACS 2020–24

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Zenith, IL map of median age by neighborhood
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Population and households in Zenith

Household size in Zenith

Household size, people per household
PeriodZenithIllinoisU.S.
2006–102.672.692.68
2010–142.562.712.73
2015–192.372.662.71
2020–242.892.582.65
Change+0.22−0.11−0.03
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The typical household in Zenith holds 2.89 people, more than the U.S. average of 2.65. Household size has climbed from 2.67 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 Zenith

Median age, years
PeriodZenithIllinoisU.S.
2006–1038.137.637.7
2010–1443.938.538.6
2015–1944.739.639.6
2020–2433.240.240.1
Change−4.9+2.6+2.3
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Zenith is young: half of its residents are under 33.2, compared with a national median of 40.1. The population tilts toward young families with children.

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 Zenith

Single-parent households, % of households
PeriodZenithIllinoisU.S.
2006–1010.2%11.7%12.3%
2010–144.4%11.7%12.3%
2015–196.0%11.1%11.6%
2020–245.7%11.3%11.6%
Change−4.5 pts−0.4 pts−0.6 pts
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Single-parent households are relatively rare in Zenith: 5.7% of 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 Zenith

Renters in Zenith

Renters, % of occupied homes
PeriodZenithIllinoisU.S.
2006–1017.7%30.8%33.3%
2010–1411.3%33.1%35.6%
2015–1915.1%33.9%36.0%
2020–2415.0%32.9%34.8%
Change−2.7 pts+2.1 pts+1.5 pts
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Zenith is overwhelmingly a place of homeowners: only 15.0% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About four in ten owners (40.5%) have paid off their mortgages, about the same as nationally.

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 Zenith

Vacant homes, % of all homes
PeriodZenithIllinoisU.S.
2006–1015.8%10.0%11.4%
2010–1412.7%10.1%11.4%
2015–1910.2%9.8%11.1%
2020–246.6%8.1%9.6%
Change−9.2 pts−1.9 pts−1.8 pts
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Vacancy is on the low side in Zenith: 6.6% of homes sit empty, against 9.6% nationally, which points to steady demand for housing.

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 Zenith

Age of homes, median year built
PeriodZenithIllinoisU.S.
2006–10197719661974
2010–14197519671975
2015–19197919681977
2020–24198719701980
Change+10+4+6
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The housing in Zenith is younger than the country's: half of it was built after 1987, 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 Zenith

Rent, per month
PeriodZenithIllinoisU.S.
2006–10$425$953$965
2010–14$461$1,028$1,040
2015–19$584$1,165$1,213
2020–24$593$1,428$1,571
Change+$168+$475+$606
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A typical rental in Zenith costs $593 a month with utilities, well below the national median of $1,571. Rent takes 38.2% 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 Zenith

Bachelor's degrees in Zenith

Bachelor's degrees, % of adults 25+
PeriodZenithIllinoisU.S.
2006–1011.8%31.2%28.4%
2010–1415.2%32.4%29.6%
2015–1918.5%34.7%32.1%
2020–2417.5%37.7%35.6%
Change+5.8 pts+6.5 pts+7.2 pts
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College degrees are relatively uncommon in Zenith: 17.5% 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 Zenith

High school graduates, % of adults 25+
PeriodZenithIllinoisU.S.
2006–1083.0%86.3%84.9%
2010–1490.2%87.5%86.1%
2015–1986.2%89.1%87.7%
2020–2487.0%90.3%89.3%
Change+4.0 pts+4.0 pts+4.3 pts
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About one in eight adults in Zenith never finished high school, a bit more than nationally: 87.0% 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 Zenith

Unemployment, % of the labor force
PeriodZenithIllinoisU.S.
2006–107.2%8.7%8.1%
2010–146.7%10.2%9.4%
2015–193.7%6.1%5.6%
2020–242.7%6.0%5.4%
Change−4.4 pts−2.7 pts−2.7 pts
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Unemployment in Zenith has been low: just 2.7% 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).

Zenith compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Zenith2.8933.25.7%15.0%6.6%1987$59317.5%87.0%2.7%
Xenia3.0331.58.7%15.5%7.3%1989$62215.7%84.2%2.4%
Flora2.3540.213.7%21.4%16.6%1967$73512.9%91.3%3.8%
Johnsonville3.1727.76.3%23.6%2.4%1995$53410.9%72.7%2.2%
Iuka2.6239.98.8%10.3%7.1%1982$90612.8%91.6%6.2%
Rinard2.6739.74.4%16.0%9.0%1991$67524.2%89.2%3.3%
Omega2.7235.14.0%4.3%2.1%1994$66116.9%96.5%2.1%
Oskaloosa3.0234.219.0%13.9%3.2%1993$79712.9%84.7%0.6%
Round Prairie3.3328.39.9%12.2%17.0%1992$68116.1%81.7%3.7%
Cisne2.1643.412.0%22.1%12.7%1962$61915.1%91.0%4.5%
Shields2.8535.93.2%14.4%11.0%1996$89214.0%87.7%4.3%

All figures 2020–24.

Cities with similar populations: Spring Hill, MS · Blackwater, MO · Blandburg, PA · Bath, IL · Blanton, AL · Sycamore, PA · Bar Mills, ME · Baneberry, TN · Stovall, GA · Bienville, LA

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 Zenith. 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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