Union Grove, IL Demographics

Population 301 · Census ACS 2020–24

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

Household size in Union Grove

Household size, people per household
PeriodUnion GroveIllinoisU.S.
2006–102.462.692.68
2010–142.222.712.73
2015–192.222.662.71
2020–242.432.582.65
Change−0.02−0.11−0.03
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The average household in Union Grove has 2.43 people, under the U.S. average of 2.65.

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 Union Grove

Median age, years
PeriodUnion GroveIllinoisU.S.
2006–1043.737.637.7
2010–1446.938.538.6
2015–1948.839.639.6
2020–2450.140.240.1
Change+6.4+2.6+2.3
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Union Grove skews older: half of its residents are older than 50.1, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 43.7 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

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 Union Grove

Single-parent households, % of households
PeriodUnion GroveIllinoisU.S.
2006–108.5%11.7%12.3%
2010–144.3%11.7%12.3%
2015–194.3%11.1%11.6%
2020–2412.4%11.3%11.6%
Change+3.9 pts−0.4 pts−0.6 pts
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Single-parent households are about as common in Union Grove as they are nationally: 12.4%, against 11.6%. Single parents are more common here than in Illinois as a whole (11.3%).

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 Union Grove

Renters in Union Grove

Renters, % of occupied homes
PeriodUnion GroveIllinoisU.S.
2006–1015.9%30.8%33.3%
2010–1411.5%33.1%35.6%
2015–1916.6%33.9%36.0%
2020–2414.8%32.9%34.8%
Change−1.2 pts+2.1 pts+1.5 pts
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Union Grove is overwhelmingly a place of homeowners: only 14.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly half of owners (47.0%) have paid off their mortgages, 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 Union Grove

Vacant homes, % of all homes
PeriodUnion GroveIllinoisU.S.
2006–1011.1%10.0%11.4%
2010–1410.6%10.1%11.4%
2015–1917.1%9.8%11.1%
2020–2410.2%8.1%9.6%
Change−0.9 pts−1.9 pts−1.8 pts
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Vacancy in Union Grove is close to the national rate: 10.2% of homes are empty, against 9.6%. The rate is higher than in Illinois as a whole (8.1%).

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 Union Grove

Age of homes, median year built
PeriodUnion GroveIllinoisU.S.
2006–10196619661974
2010–14196219671975
2015–19196619681977
2020–24195919701980
Change−8+4+6
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The housing in Union Grove is old by national standards: the median home dates to 1959, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.

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 Union Grove

Rent, per month
PeriodUnion GroveIllinoisU.S.
2006–10$625$953$965
2010–14$583$1,028$1,040
2015–19$729$1,165$1,213
2020–24$820$1,428$1,571
Change+$195+$475+$606
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A typical rental in Union Grove costs $820 a month with utilities, well below the national median of $1,571. The typical renter here spends 18.7% 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 Union Grove

Bachelor's degrees in Union Grove

Bachelor's degrees, % of adults 25+
PeriodUnion GroveIllinoisU.S.
2006–1012.6%31.2%28.4%
2010–1417.4%32.4%29.6%
2015–1921.0%34.7%32.1%
2020–2420.8%37.7%35.6%
Change+8.3 pts+6.5 pts+7.2 pts
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College degrees are relatively uncommon in Union Grove: 20.8% 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 Union Grove

High school graduates, % of adults 25+
PeriodUnion GroveIllinoisU.S.
2006–1092.9%86.3%84.9%
2010–1494.0%87.5%86.1%
2015–1994.7%89.1%87.7%
2020–2496.3%90.3%89.3%
Change+3.4 pts+4.0 pts+4.3 pts
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High school completion is high in Union Grove: 96.3% 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 Union Grove

Unemployment, % of the labor force
PeriodUnion GroveIllinoisU.S.
2006–106.9%8.7%8.1%
2010–146.7%10.2%9.4%
2015–192.9%6.1%5.6%
2020–244.9%6.0%5.4%
Change−2.0 pts−2.7 pts−2.7 pts
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At 4.9%, unemployment in Union Grove is close to the national rate of 5.4%. The rate is lower than in Illinois as a whole (6.0%). 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).

Union Grove compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Union Grove2.4350.112.4%14.8%10.2%1959$82020.8%96.3%4.9%
Morrison2.4242.910.9%16.0%9.0%1959$81124.9%93.8%2.0%
Fulton2.3544.413.1%21.3%12.2%1959$94720.7%89.9%6.0%
Garden Plain2.9937.614.4%5.3%14.8%1966$91922.4%95.9%1.7%
Fair Haven2.2343.28.2%17.0%9.8%1970$96514.3%81.0%0.4%
Clinton2.2743.711.6%30.4%13.2%1955$95621.9%90.7%3.9%
Thomson2.1045.57.0%20.4%12.2%1970$98710.4%78.0%2.4%
Fenton2.8742.714.6%8.0%11.2%1989$88211.8%98.5%4.7%
Round Grove2.3545.36.5%13.4%13.9%1964$92918.8%91.9%3.1%
Lyons2.1955.414.4%8.2%12.6%1971$70532.0%98.1%1.9%
Albany2.6339.311.6%9.2%11.8%1978$77817.0%95.7%5.3%

All figures 2020–24.

Cities with similar populations: Agra, KS · Alma, WV · Piedmont, GA · Pine Bend, MN · Pilot Mound, IA · Pillow, PA · Pike, NY · Pike Crossroads, NC · Pierpont, MO · Pierceville, IN

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 Union Grove. 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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