Ilion, NY Demographics

Population 9,990 · Census ACS 2020–24

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Ilion, NY map of median age by neighborhood
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Population and households in Ilion

Household size in Ilion

Household size, people per household
PeriodIlionNew YorkU.S.
2006–102.472.682.68
2010–142.332.722.73
2015–192.582.692.71
2020–242.222.652.65
Change−0.26−0.03−0.03
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Households in Ilion are small: just 2.22 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. Household size has dropped from 2.47 in 2006–10, a much bigger shift than nationally.

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 Ilion

Median age, years
PeriodIlionNew YorkU.S.
2006–1037.438.337.7
2010–1438.839.038.6
2015–1940.240.239.6
2020–2445.440.840.1
Change+8.0+2.5+2.3
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Ilion skews older: half of its residents are older than 45.4, 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 37.4 in 2006–10, a much bigger shift than nationally.

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 Ilion

Single-parent households, % of households
PeriodIlionNew YorkU.S.
2006–1013.3%13.1%12.3%
2010–1412.6%12.7%12.3%
2015–1913.4%11.6%11.6%
2020–248.3%11.6%11.6%
Change−5.1 pts−1.5 pts−0.6 pts
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Single parents head only 8.3% of households in Ilion, well below the national share of 11.6%. The single-parent share is down 5.1 points from 2006–10, a much bigger shift than 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 Ilion

Renters in Ilion

Renters, % of occupied homes
PeriodIlionNew YorkU.S.
2006–1036.8%44.8%33.3%
2010–1437.7%46.2%35.6%
2015–1931.2%46.2%36.0%
2020–2427.9%45.7%34.8%
Change−9.0 pts+0.9 pts+1.5 pts
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Most households in Ilion own their homes; 27.9% rent, below the national share of 34.8%. Among owners, 46.1% have paid off their mortgages, above the national share of 39.8%. Since 2006–10, the renter share has fallen 9.0 points, even as the national share rose.

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 Ilion

Vacant homes, % of all homes
PeriodIlionNew YorkU.S.
2006–108.3%10.3%11.4%
2010–144.6%10.4%11.4%
2015–1916.3%11.0%11.1%
2020–2411.3%9.7%9.6%
Change+3.0 pts−0.6 pts−1.8 pts
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Vacancy runs a little high in Ilion: 11.3% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Vacancy has risen 3.0 points since 2006–10, even as the national rate fell.

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 Ilion

Age of homes, median year built
PeriodIlionNew YorkU.S.
2006–10194919561974
2010–14195219571975
2015–19195019581977
2020–24195219611980
Change+3+5+6
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The housing in Ilion is old by national standards: the median home dates to 1952, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The median year built has moved up from 1949 in 2006–10, a sign of steady new building. The newest homes are mostly in the southwest, the oldest in the east.

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 Ilion

Rent, per month
PeriodIlionNew YorkU.S.
2006–10$633$1,095$965
2010–14$710$1,201$1,040
2015–19$635$1,426$1,213
2020–24$748$1,794$1,571
Change+$115+$698+$606
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The median renter in Ilion pays $748 a month for rent and utilities, well below the national median of $1,571. Rent has climbed $115 a month since 2006–10, up 18%, a slower climb than the nation's. The typical renter here spends 26.4% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Only six of the 488 New York cities with 5,000+ people have lower rents.

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 Ilion

Bachelor's degrees in Ilion

Bachelor's degrees, % of adults 25+
PeriodIlionNew YorkU.S.
2006–1016.4%31.9%28.4%
2010–1423.6%33.4%29.6%
2015–1923.3%36.2%32.1%
2020–2426.3%39.8%35.6%
Change+9.9 pts+8.0 pts+7.2 pts
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Just over a quarter of adults 25 and older in Ilion (26.3%) have a bachelor's degree or higher, below the national share of 35.6%. Since 2006–10, the share with a degree has risen 9.9 points, in line with the national trend. Ilion has a lower share of college graduates than the great majority of New York cities.

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 Ilion

High school graduates, % of adults 25+
PeriodIlionNew YorkU.S.
2006–1088.3%84.0%84.9%
2010–1489.5%84.9%86.1%
2015–1993.4%86.5%87.7%
2020–2491.3%87.3%89.3%
Change+3.1 pts+3.3 pts+4.3 pts
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High school completion in Ilion is a bit above the national rate: 91.3% of adults have a diploma or equivalent, against 89.3%. Since 2006–10, the share with a diploma has risen 3.1 points, mirroring the country. Compared with other New York cities, though, Ilion has a lower share of high school graduates than most.

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 Ilion

Unemployment, % of the labor force
PeriodIlionNew YorkU.S.
2006–109.2%7.7%8.1%
2010–1411.4%9.2%9.4%
2015–196.9%5.7%5.6%
2020–242.6%6.6%5.4%
Change−6.7 pts−1.2 pts−2.7 pts
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Unemployment in Ilion has been low: just 2.6% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment has fallen 6.7 points since 2006–10, as it has nationally. 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).

Ilion compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Ilion2.2245.48.3%27.9%11.3%1952$74826.3%91.3%2.6%
North Columbia2.4451.15.0%7.3%11.5%1981$87023.3%92.9%5.1%
Mohawk2.2848.99.8%22.7%8.0%1954$73524.2%92.8%2.4%
North Ilion2.8035.98.6%6.7%10.9%1973$88253.5%96.2%0.0%
Dennison Corners2.5054.14.7%8.9%12.7%1983$77825.3%89.8%5.2%
Herkimer2.1144.215.3%41.3%22.9%1949$85727.4%91.5%4.8%
Frankfort2.2743.010.6%18.8%7.3%1962$87120.9%94.8%3.0%
Columbia Center2.6746.75.2%10.5%15.4%1977$83122.4%90.2%6.0%
East Schuyler2.2254.33.4%17.3%7.0%1981$95223.8%92.6%2.8%
East Frankfort2.7435.06.6%12.1%5.5%1979$81336.2%98.6%6.2%
Millers Mills2.5643.32.3%19.4%10.5%1965$89124.1%87.8%2.2%

All figures 2020–24.

Cities with similar populations: Haleyville, AL · Victoria, MN · Villa Hills, KY · Villas, NJ · Vinemont, AL · Virginia, MN · Waimanalo, HI · Waldwick, NJ · Walhalla, SC · Walkersville, MD

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 Ilion. 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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