Cornwall, NY Demographics

Population 5,808 · Census ACS 2020–24

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

Household size in Cornwall

Household size, people per household
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–102.712.872.682.68
2010–142.602.922.722.73
2015–192.612.882.692.71
2020–242.652.852.652.65
Change−0.07−0.02−0.03−0.03
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At 2.65 people per household, Cornwall sits right at the national average. The typical household here is smaller than in the wider Poughkeepsie area, where it has 2.85 people. Since 2006–10, household size has edged down from 2.71, mirroring the country.

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 Cornwall

Median age, years
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–1039.638.038.337.7
2010–1443.938.839.038.6
2015–1941.840.240.239.6
2020–2438.040.040.840.1
Change−1.5+1.9+2.5+2.3
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The median resident of Cornwall is 38.0 years old, a few years younger than the national median of 40.1. The median age has dropped from 39.6 in 2006–10, even as the national median rose. Residents skew youngest in the west and oldest in the south.

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 Cornwall

Single-parent households, % of households
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–1011.8%10.8%13.1%12.3%
2010–148.3%9.9%12.7%12.3%
2015–1911.5%9.7%11.6%11.6%
2020–2410.9%9.7%11.6%11.6%
Change−0.9 pts−1.1 pts−1.5 pts−0.6 pts
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Single-parent households are about as common in Cornwall as they are nationally: 10.9%, against 11.6%. Single parents are more common here than in the wider Poughkeepsie area (9.7%). The single-parent share has edged down 0.9 points since 2006–10, mirroring the country.

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 Cornwall

Renters in Cornwall

Renters, % of occupied homes
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–1022.8%29.1%44.8%33.3%
2010–1431.2%30.5%46.2%35.6%
2015–1932.6%32.3%46.2%36.0%
2020–2430.3%31.6%45.7%34.8%
Change+7.5 pts+2.5 pts+0.9 pts+1.5 pts
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Most households in Cornwall own their homes; 30.3% rent, a little below the national share of 34.8%. Among homeowners, 34.6% have no mortgage at all, below the national share of 39.8%. The renter share has risen 7.5 points since 2006–10, a much bigger shift than 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 Cornwall

Vacant homes, % of all homes
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–1010.0%9.6%10.3%11.4%
2010–147.6%10.3%10.4%11.4%
2015–1911.5%11.2%11.0%11.1%
2020–247.6%8.0%9.7%9.6%
Change−2.5 pts−1.6 pts−0.6 pts−1.8 pts
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Vacancy is on the low side in Cornwall: 7.6% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. That is in line with the rest of the Poughkeepsie area. Vacancy is down 2.5 points from 2006–10, mirroring the country.

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 Cornwall

Age of homes, median year built
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–101965196819561974
2010–141963197019571975
2015–191962197119581977
2020–241962197419611980
Change−3+5+5+6
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Cornwall is a place of older homes: half were built before 1962, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the south, the oldest in the center.

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 Cornwall

Rent, per month
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–10$1,114$1,135$1,095$965
2010–14$1,445$1,260$1,201$1,040
2015–19$1,580$1,393$1,426$1,213
2020–24$1,880$1,742$1,794$1,571
Change+$766+$607+$698+$606
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The median renter in Cornwall pays $1,880 a month for rent and utilities, above the national median of $1,571. Rents are up $766 a month from 2006–10, a 69% jump, faster than rents rose nationally. The typical renter here spends 35.5% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Rents run highest in the northwest and lowest in the northeast.

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 Cornwall

Bachelor's degrees in Cornwall

Bachelor's degrees, % of adults 25+
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–1041.1%29.4%31.9%28.4%
2010–1442.5%30.3%33.4%29.6%
2015–1953.1%32.1%36.2%32.1%
2020–2445.9%35.1%39.8%35.6%
Change+4.7 pts+5.7 pts+8.0 pts+7.2 pts
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Cornwall is highly educated: more than four in ten adults 25 and older (45.9%) hold at least a bachelor's degree, far above the national share of 35.6%. Since 2006–10, the share with a degree has risen 4.7 points, as it has nationally.

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 Cornwall

High school graduates, % of adults 25+
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–1092.3%86.8%84.0%84.9%
2010–1494.1%87.8%84.9%86.1%
2015–1995.9%89.6%86.5%87.7%
2020–2494.3%90.3%87.3%89.3%
Change+2.0 pts+3.5 pts+3.3 pts+4.3 pts
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High school completion in Cornwall is above the national rate: 94.3% of adults have a diploma, against 89.3%. The share with a diploma has risen 2.0 points since 2006–10, in line with the national trend.

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 Cornwall

Unemployment, % of the labor force
PeriodCornwallPoughkeepsie areaNew YorkU.S.
2006–104.3%6.5%7.7%8.1%
2010–145.5%8.6%9.2%9.4%
2015–193.1%4.8%5.7%5.6%
2020–242.7%5.3%6.6%5.4%
Change−1.5 pts−1.2 pts−1.2 pts−2.7 pts
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The job market in Cornwall has been strong: just 2.7% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has fallen 1.5 points, mirroring the country. 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).

Cornwall compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Cornwall2.6538.010.9%30.3%7.6%1962$1,88045.9%94.3%2.7%
Cornwall On Hudson2.3946.25.2%35.7%7.2%1959$1,60854.8%97.6%5.7%
Mountainville2.6952.06.2%11.6%13.0%1976$1,74452.1%92.5%12.6%
New Windsor2.5245.07.8%27.8%5.9%1979$1,54637.4%90.0%8.3%
Salisbury Mills3.1539.316.1%10.2%7.4%1972$1,76636.7%93.0%7.9%
West Point3.5621.510.2%99.3%10.0%1972$3,50178.8%97.9%3.7%
Nelsonville2.6747.213.3%22.7%15.7%1950$2,18961.3%96.5%4.4%
East Coldenham2.7033.66.9%5.0%26.6%2005$2,09374.4%100.0%3.9%
Highland Falls2.4738.37.8%46.1%7.9%1953$2,03047.1%94.4%5.3%
Cold Spring2.3747.17.9%24.7%15.0%1964$1,98863.5%96.9%4.2%
Newburgh2.7838.820.9%49.2%11.0%1959$1,73624.0%84.4%6.0%

All figures 2020–24.

Cities with similar populations: Madill, OK · Manistique, MI · Manchester, MI · Manchester, GA · Manchaca, TX · Mancelona, MI · Manakin-Sabot, VA · Mamou, LA · Malden, MO · Mahanoy City, 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 Cornwall. 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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