Great Valley, NY Demographics

Population 1,523 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Great Valley, NY map of median age by neighborhood
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Population and households in Great Valley

Household size in Great Valley

Household size, people per household
PeriodGreat ValleyNew YorkU.S.
2006–102.222.682.68
2010–142.372.722.73
2015–192.432.692.71
2020–242.342.652.65
Change+0.11−0.03−0.03
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Great Valley is a place of small households, averaging 2.34 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has climbed from 2.22, 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 Great Valley

Median age, years
PeriodGreat ValleyNew YorkU.S.
2006–1047.638.337.7
2010–1445.239.038.6
2015–1946.540.239.6
2020–2446.140.840.1
Change−1.5+2.5+2.3
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With a median age of 46.1, Great Valley is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.

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 Great Valley

Single-parent households, % of households
PeriodGreat ValleyNew YorkU.S.
2006–109.4%13.1%12.3%
2010–147.0%12.7%12.3%
2015–1911.0%11.6%11.6%
2020–247.2%11.6%11.6%
Change−2.2 pts−1.5 pts−0.6 pts
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Single-parent households are relatively rare in Great Valley: 7.2% 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 Great Valley

Renters in Great Valley

Renters, % of occupied homes
PeriodGreat ValleyNew YorkU.S.
2006–1014.0%44.8%33.3%
2010–1414.9%46.2%35.6%
2015–1911.4%46.2%36.0%
2020–246.1%45.7%34.8%
Change−7.9 pts+0.9 pts+1.5 pts
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Only 6.1% of households in Great Valley rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Just over six in ten owners (62.0%) 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 Great Valley

Vacant homes, % of all homes
PeriodGreat ValleyNew YorkU.S.
2006–1037.6%10.3%11.4%
2010–1437.2%10.4%11.4%
2015–1938.2%11.0%11.1%
2020–2437.3%9.7%9.6%
Change−0.4 pts−0.6 pts−1.8 pts
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Vacant homes make up 37.3% of the housing in Great Valley, 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 Great Valley

Age of homes, median year built
PeriodGreat ValleyNew YorkU.S.
2006–10197719561974
2010–14197919571975
2015–19198019581977
2020–24198519611980
Change+8+5+6
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Homes in Great Valley are a bit newer than the national norm: the median home was built in 1985, versus 1980 across the U.S.

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 Great Valley

Rent, per month
PeriodGreat ValleyNew YorkU.S.
2006–10$654$1,095$965
2010–14$638$1,201$1,040
2015–19$732$1,426$1,213
2020–24$1,047$1,794$1,571
Change+$394+$698+$606
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The median renter in Great Valley pays $1,047 a month for rent and utilities, well below the national median of $1,571. Rent takes 38.8% 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 Great Valley

Bachelor's degrees in Great Valley

Bachelor's degrees, % of adults 25+
PeriodGreat ValleyNew YorkU.S.
2006–1022.2%31.9%28.4%
2010–1420.7%33.4%29.6%
2015–1917.9%36.2%32.1%
2020–2419.1%39.8%35.6%
Change−3.1 pts+8.0 pts+7.2 pts
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College degrees are relatively uncommon in Great Valley: 19.1% 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 Great Valley

High school graduates, % of adults 25+
PeriodGreat ValleyNew YorkU.S.
2006–1084.1%84.0%84.9%
2010–1486.0%84.9%86.1%
2015–1989.4%86.5%87.7%
2020–2490.3%87.3%89.3%
Change+6.1 pts+3.3 pts+4.3 pts
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About as many adults in Great Valley have finished high school as nationally: 90.3%, against 89.3%. The rate is higher than in New York as a whole (87.3%).

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 Great Valley

Unemployment, % of the labor force
PeriodGreat ValleyNew YorkU.S.
2006–108.5%7.7%8.1%
2010–148.8%9.2%9.4%
2015–193.2%5.7%5.6%
2020–244.7%6.6%5.4%
Change−3.8 pts−1.2 pts−2.7 pts
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Unemployment in Great Valley is close to the national rate: 4.7% of the labor force, against 5.4%. The rate is lower than in New York as a whole (6.6%). 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).

Great Valley compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Great Valley2.3446.17.2%6.1%37.3%1985$1,04719.1%90.3%4.7%
Peth2.1455.08.7%5.5%37.4%1987$86923.0%93.4%7.4%
Sugartown2.4346.96.5%10.0%40.9%1983$1,29418.0%82.6%6.2%
Kill Buck2.2151.79.7%18.6%23.6%1974$71712.2%91.3%6.2%
Humphrey2.2448.99.4%8.8%20.2%1980$73019.2%92.4%5.0%
Ellicottville2.0551.64.8%19.0%64.2%1983$85433.5%95.3%7.7%
Salamanca2.3140.121.9%40.8%19.1%1945$70515.5%87.4%7.6%
Humphrey Center2.2444.112.2%16.4%45.8%1979$1,13120.7%93.3%1.5%
Devereaux2.4346.96.5%10.0%40.9%1983$1,29418.0%82.6%6.2%
Vandalia2.2052.28.8%6.0%6.7%1981$73724.8%91.5%8.7%
Allegany2.1845.36.5%18.3%8.6%1969$71132.7%94.8%3.8%

All figures 2020–24.

Cities with similar populations: Mountain View, WY · Slaughters, KY · Silex, MO · Rudolph, WI · Roachdale, IN · Risingsun, OH · Rich Square, NC · Randle, WA · Noxapater, MS · Newburg, 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 Great Valley. 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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