Gem, IN Demographics

Population 520 · Census ACS 2020–24

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Gem, IN map of median age by neighborhood
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Population and households in Gem

Household size in Gem

Household size, people per household
PeriodGemIndianapolis areaIndianaU.S.
2006–102.432.602.572.68
2010–142.712.632.592.73
2015–192.762.632.572.71
2020–242.502.592.542.65
Change+0.07−0.01−0.03−0.03
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Households in Gem run a little small, averaging 2.50 people against 2.65 nationally, which usually means more singles and couples and fewer children.

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 Gem

Median age, years
PeriodGemIndianapolis areaIndianaU.S.
2006–1040.936.337.537.7
2010–1443.037.038.438.6
2015–1939.337.739.139.6
2020–2440.338.239.340.1
Change−0.6+1.9+1.7+2.3
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Half of the people in Gem are younger than 40.3 and half are older, close to the national median of 40.1. The population here is older than in the Indianapolis area as a whole, where the median age is 38.2.

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 Gem

Single-parent households, % of households
PeriodGemIndianapolis areaIndianaU.S.
2006–107.1%12.7%11.8%12.3%
2010–149.1%12.8%12.0%12.3%
2015–198.8%12.0%11.6%11.6%
2020–245.7%11.8%11.7%11.6%
Change−1.3 pts−0.9 pts−0.1 pts−0.6 pts
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Single parents head only 5.7% of households in Gem, 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 Gem

Renters in Gem

Renters, % of occupied homes
PeriodGemIndianapolis areaIndianaU.S.
2006–1015.5%31.4%28.5%33.3%
2010–1420.7%34.2%30.5%35.6%
2015–1919.2%34.8%30.9%36.0%
2020–2415.1%33.2%29.4%34.8%
Change−0.4 pts+1.8 pts+1.0 pts+1.5 pts
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Only 15.1% of households in Gem rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. About a third of owners (33.2%) 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 Gem

Vacant homes, % of all homes
PeriodGemIndianapolis areaIndianaU.S.
2006–103.9%11.2%11.2%11.4%
2010–145.7%10.6%11.2%11.4%
2015–198.8%9.6%10.9%11.1%
2020–242.0%8.0%9.3%9.6%
Change−1.9 pts−3.2 pts−2.0 pts−1.8 pts
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Only 2.0% of homes in Gem are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Vacancy has fallen 1.9 points since 2006–10, but in a place this small, much of that may be survey noise rather than real change.

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 Gem

Age of homes, median year built
PeriodGemIndianapolis areaIndianaU.S.
2006–101987197819721974
2010–141989197919731975
2015–191990198019741977
2020–241979198219771980
Change−8+5+5+6
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Homes in Gem are about the same age as the nation's housing: the median home was built in 1979, versus 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 Gem

Rent, per month
PeriodGemIndianapolis areaIndianaU.S.
2006–10$598$877$763$965
2010–14$905$946$819$1,040
2015–19$961$1,060$903$1,213
2020–24$1,401$1,368$1,146$1,571
Change+$804+$492+$384+$606
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Rent in Gem runs $1,401 a month at the median, utilities included, below the U.S. median of $1,571. The picture is much the same across the Indianapolis area. The typical renter here spends 24.7% 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 Gem

Bachelor's degrees in Gem

Bachelor's degrees, % of adults 25+
PeriodGemIndianapolis areaIndianaU.S.
2006–1028.4%30.9%23.8%28.4%
2010–1432.6%31.8%24.6%29.6%
2015–1937.0%35.2%27.1%32.1%
2020–2444.0%38.6%30.0%35.6%
Change+15.6 pts+7.7 pts+6.2 pts+7.2 pts
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More than four in ten adults 25 and older in Gem (44.0%) have a bachelor's degree or higher, above 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 Gem

High school graduates, % of adults 25+
PeriodGemIndianapolis areaIndianaU.S.
2006–1092.5%88.1%86.5%84.9%
2010–1493.9%88.9%87.7%86.1%
2015–1994.9%89.6%88.7%87.7%
2020–2497.0%90.8%89.9%89.3%
Change+4.5 pts+2.8 pts+3.4 pts+4.3 pts
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High school completion is high in Gem: 97.0% 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 Gem

Unemployment, % of the labor force
PeriodGemIndianapolis areaIndianaU.S.
2006–106.3%7.9%8.4%8.1%
2010–143.7%9.0%8.9%9.4%
2015–192.4%4.9%4.9%5.6%
2020–244.3%4.1%4.3%5.4%
Change−2.0 pts−3.7 pts−4.1 pts−2.7 pts
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Jobs have been a little easier to find in Gem than nationally: unemployment was 4.3%, against 5.4%. The Indianapolis area as a whole looks much the same. 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).

Gem compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Gem2.5040.35.7%15.1%2.0%1979$1,40144.0%97.0%4.3%
Cumberland2.4239.27.9%29.2%3.4%1983$1,48025.5%90.1%3.2%
Mount Comfort2.8236.313.0%14.4%2.3%1987$1,77644.6%99.3%4.3%
Spring Lake2.5135.86.9%21.2%6.6%1979$1,13340.9%95.8%2.6%
New Palestine2.6741.25.0%11.3%4.2%1988$1,12443.5%95.7%2.4%
Philadelphia2.3751.53.5%15.3%4.8%1992$1,20629.4%98.2%1.9%
Mohawk2.5046.93.5%13.8%4.0%1984$1,25038.8%97.4%2.6%
Lawrence2.6334.515.5%35.5%5.7%1987$1,55732.1%88.2%4.3%
Warren Park2.2546.910.2%66.5%13.5%1960$1,11019.3%81.9%10.0%
Greenfield2.4141.48.7%27.3%3.4%1987$1,34229.6%93.6%2.7%
Pleasant View2.9335.34.5%4.4%2.7%1984$1,05035.0%99.0%5.9%

All figures 2020–24.

Cities with similar populations: Eckenrode Mill, PA · Crew Lake, LA · Criders, VA · Crigler, AR · Crockett, AR · Crystal Beach, MI · Dallas, IA · East Berkshire, VT · East Dailey, WV · Eau Claire, PA

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 Gem. 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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